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Rigging Information
RIGGINGINFORMATION
Each app tool offers special enhancements and features that are
easy to use and user friendly. Check out all the new Crosby®
apps ready for download at the App Store today.
App StoreSM is a regist ered trademark of Apple Inc. Applica tion ava ilability and prici ng are su bject to ch ange.
Google Play™ st ore is a trademark of Google Inc. Application ava ilability and prici ng are su bject to ch ange.
Sca n our QR co de with yo ur sm art devi ce to vi si t the Crosby® application page.
www.thecrosbygroup.com
Block Selectionand ApplicationGuide - PlusUnits: Imperial
User’s Guide for Heavy Lifts - PlusUnits: Imperial
Pocket Lift Guide - PlusUnits: Imperial
Pocket Lift Guide - PlusUnits: Imperial
Crosby® CatalogUnits: Imperialand Metric
Crosby® CatalogUnits: Imperialand Metric
User’s Guide for Lifting - PlusUnits: Imperial
Sling CalculatorUnits: Imperialand Metric
Sling CalculatorUnits: Imperialand Metric
Copyright © 2016 The Crosby Group LLC All Rights Reserved 469
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Rigging InformationRigging Information
USERS GUIDE FOR LIFTING ASME VERSION (12/14)
RISK MANAGEMENT TERMINOLOGY FOR ADDITIONAL
SUPPORTDEFINITION WORKING LOAD LIMIT (WLL)
COMPREHENSIVE SET OF ACTIONS THAT
REDUCES THE RISK OF A PROBLEM, A
FAILURE, AN ACCIDENT
THE MAXIMUM MASS OR FORCE WHICH THE
PRODUCT IS AUTHORIZED TO SUPPORT IN A
PARTICULAR SERVICE.
P.O. Box 3128
Tulsa Oklahoma 74101
Phone: (918) 834-4611
1-800-777-1555
Web:
www.thecrosbygroup.com
E-Mail:
CROSBY® FITTINGS
LEBUS® McKISSICK®
WESTERN NATIONAL
ASME B30.9 REQUIRES THAT SLINGUSERS SHALL BE TRAINED IN THESELECTION, INSPECTION, CAUTIONS TOPERSONNEL, EFFECTS OF ENVIRONMENT,AND RIGGING PRACTICES. SLINGIDENTIFICATION IS REQUIRED ON ALLTYPES OF SLINGS.
ASME B30.26 REQUIRES THAT RIGGINGHARDWARE USERS SHALL BE TRAINED INTHE SELECTION, INSPECTION, CAUTIONSTO PERSONNEL, EFFECTS OFENVIRONMENT, AND RIGGING PRACTICES.ALL RIGGING HARDWARE TO BEIDENTIFIED BY MANUFACTURER WITHNAME OR TRADEMARK OFMANUFACTURER.
REFER TO THE CROSBY GROUP CATALOGAND OTHER PRODUCT APPLICATIONINFORMATION.
PROOF TEST
A TEST APPLIED TO A PRODUCT SOLELY
TO DETERMINE INJURIOUS MATERIAL OR
MANUFACTURING DEFECTS.
ULTIMATE STRENGTH
THE AVERAGE LOAD OR FORCE AT WHICH
THE PRODUCT FAILS OR NO LONGER
SUPPORTS THE LOAD.
DESIGN FACTOR
AN INDUSTRIAL TERM DENOTING A PRODUCT’S
THEORETICAL RESERVE CAPABILITY; USUALLY
COMPUTED BY DIVIDING THE CATALOG ULTIMATE
LOAD BY THE WORKING LOAD LIMIT. GENERALLY
EXPRESSED AS A RATIO, e.g. 5 TO 1.
1
BLOCKS & FITTINGS
FOR WIRE ROPE & CHAIN
THE BASIC RIGGING PLAN RESPONSIBILITY 2
PLAN EVERY LIFT, INCLUDE THE FOLLOWING QUESTIONS
WITH THE QUESTIONS YOUR EXPERIENCE PROVIDES:
1. WHO IS RESPONSIBLE (COMPETENT) FOR THE RIGGING?
2. HAS COMMUNICATION BEEN ESTABLISHED?
3. IS THE RIGGING IN ACCEPTABLE CONDITION?
4. IS THE RIGGING APPROPRIATE FOR LIFTING?
5. DOES THE RIGGING HAVE PROPER IDENTIFICATION?
6. DOES ALL GEAR HAVE KNOWN WORKING LOAD LIMITS?
7. WHAT IS THE WEIGHT OF THE LOAD?
8. WHERE IS THE LOAD’S CENTER OF GRAVITY?
9. WHAT IS THE SLING ANGLE?
10. WILL THERE BE ANY SIDE OR ANGULAR LOADING?
11. ARE THE SLINGS PADDED AGAINST CORNERS, EDGES,
PROTRUSIONS AND ABRASIVE SURFACES?
12. ARE THE WORKING LOAD LIMITS ADEQUATE?
13. IS THE LOAD RIGGED TO THE CENTER OF GRAVITY?
14. IS THE HITCH APPROPRIATE FOR THE LOAD?
15. IS A TAG LINE REQUIRED TO CONTROL THE LOAD?
16. WILL PERSONNEL BE CLEAR OF SUSPENDED LOADS?
17. IS THERE ANY POSSIBILITY OF FOULING?
18. WILL THE LOAD LIFT LEVEL AND BE STABLE?
19. ANY UNUSUAL ENVIRONMENTAL CONCERNS?
20. ANY SPECIAL REQUIREMENTS?
THE RIGGING MUST BE USED WITHIN MANUFACTURER’S
RECOMMENDATIONS AND INDUSTRY STANDARDS THAT
INCLUDE OSHA, ASME, ANSI, API AND OTHERS.
USER RESPONSIBILITY
1. UTILIZE APPROPRIATE RIGGING GEAR SUITABLE FOR
OVERHEAD LIFTING.
2. UTILIZE THE RIGGING GEAR WITHIN INDUSTRY
STANDARDS AND THE MANUFACTURER’S
RECOMMENDATIONS.
3. CONDUCT REGULAR INSPECTION AND MAINTENANCE
OF THE RIGGING GEAR.4. PROVIDE EMPLOYEES WITH TRAINING TO MEET
OSHA, API AND ASME (B30.9, B30.26, ETC.) REQUIREMENTS.
MANUFACTURERS RESPONSIBILITY
1. PRODUCT AND APPLICATION INFORMATION
2. PRODUCT THAT IS CLEARLY IDENTIFIED
NAME OR LOGO
LOAD RATING AND SIZE
TRACEABILITY
3. PRODUCT PERFORMANCE
WORKING LOAD LIMIT
DUCTILITY
FATIGUE PROPERTIES
IMPACT PROPERTIES
4. PRODUCT TRAINING
AND TRAINING RESOURCES
Copyright © 2016 The Crosby Group LLC All Rights Reserved470
Rigging Information
INSPECTION OF RIGGING HARDWARE 3
INSPECTION FREQUENCY PER ASME B30.26
A VISUAL INSPECTION SHALL BE PERFORMED BY THE USER OR DESIGNATED PERSON EACH DAY BEFORE THE RIGGING HARDWARE IS USED.
A PERIODIC INSPECTION SHALL BE PERFORMED BY A DESIGNATED PERSON, AT LEAST ANNUALLY. THE RIGGING HARDWARE SHALL BE
EXAMINED AND A DETERMINATION MADE AS TO WHETHER THEY CONSTITUTE A HAZARD. WRITTEN RECORDS ARE NOT REQUIRED.
SEMI-PERMANENT AND INACCESSIBLE LOCATIONS WHERE FREQUENT INSPECTIONS ARE NOT FEASIBLE SHALL HAVE PERIODIC INSPECTIONS PERFORMED.
REJECTION CRITERIA PER ASME B30.26
MISSING OR ILLEGIBLE MANUFACTURER’S NAME OR TRADEMARK AND/OR RATED LOAD IDENTIFICATION (OR SIZE AS REQUIRED)
A 10% OR MORE REDUCTION OF THE ORIGINAL DIMENSION
BENT, TWISTED, DISTORTED, STRETCHED, ELONGATED, CRACKED OR BROKEN LOAD BEARING COMPONENTS
EXCESSIVE NICKS, GOUGES, PITTING AND CORROSION
INDICATIONS OF HEAT DAMAGE INCLUDING WELD SPATTER ORARC STRIKES, EVIDENCE OF UNAUTHORIZED WELDING
LOOSE OR MISSING NUTS, BOLTS, COTTER PINS, SNAP RINGS, OR OTHER FASTENERS AND RETAINING DEVICES
UNAUTHORIZED REPLACEMENT COMPONENTS OR OTHER VISIBLE CONDITIONS THAT CAUSE DOUBT AS TO THE CONTINUED USE OF THE SLING
ADDITIONALLY INSPECT WIRE ROPE CLIPS FOR:
1. INSUFFICIENT NUMBER OF CLIPS
2. INCORRECT SPACING BETWEEN CLIPS
3. IMPROPERLY TIGHTENED CLIPS
4. INDICATIONS OF DAMAGED WIRE ROPE OR WIRE ROPE SLIPPAGE
5. IMPROPER ASSEMBLY
ADDITIONALLY, INSPECT WEDGE SOCKETS FOR:
1. INDICATIONS OF DAMAGED WIRE ROPE OR WIRE ROPE SLIPPAGE
2. IMPROPER ASSEMBLY
ADDITIONAL REJECTION CRITERIA PER ASME B30.10 - HOOKS
• ANY VISIBLY APPARENT BEND OR TWIST FROM THE PLANE OF THE UNBENT HOOK
• ANY DISTORTION CAUSING AN INCREASE IN THROAT OPENING OF 5%, NOT TO EXCEED 1/4”
• MISSING OR ILLEGIBLE RATED LOAD IDENTIFICATION.
• MISSING OR ILLEGIBLE HOOK MANUFACTURER’S IDENTIFICATION OR SECONDARY MFG. IDENTIFICATION
INSPECTION OF SLINGS 4
INSPECTION FREQUENCY PER ASME B30.9
A VISUAL INSPECTION FOR DAMAGE SHALL BE PERFORMED BY THE USER OR DESIGNATED PERSON EACH DAY OR SHIFT THE SLING IS USED. A
COMPLETE INSPECTION FOR DAMAGE SHALL BE PERFORMED PERIODICALLY BY A DESIGNATED PERSON, AT LEAST ANNUALLY.
WRITTEN RECORDS OF MOST RECENT PERIODIC INSPECTION SHALL BE MAINTAINED.
REJECTION CRITERIA PER ASME B30.9MISSING OR ILLEGIBLE SLING IDENTIFICATION; EVIDENCE OF HEAT DAMAGE; SLINGS THAT ARE KNOTTED; FITTINGS THAT ARE PITTED,
CORRODED, CRACKED, BENT, TWISTED, GOUGED, OR BROKEN; OTHER CONDITIONS, INCLUDING VISIBLE DAMAGE, THAT CAUSE DOUBT AS TO
THE CONTINUED USE OF THE SLING.
WIRE ROPE SLINGSEXCESSIVE BROKEN WIRES,
FOR STRAND-LAID AND SINGLE
PART SLINGS, TEN RANDOMLY
DISTRIBUTED BROKEN WIRES IN
ONE ROPE LAY OR FIVE BROKEN
WIRES IN ONE STRAND IN ONE
ROPE LAY
SEVERE LOCALIZED ABRASION
OR SCRAPING, KINKING,
CRUSHING, BIRDCAGING
ANY OTHER DAMAGE RESULTING
IN DAMAGE TO THE ROPE
STRUCTURE
SEVERE CORROSION OF THE
ROPE OR END ATTACHMENTS
CHAIN SLINGSCRACKS OR BREAKS
EXCESSIVE WEAR, NICKS OR
GOUGES
STRETCHED CHAIN LINKS OR
COMPONENTS
BENT, TWISTED OR DEFORMED
CHAIN LINKS OR COMPONENTS
EXCESSIVE PITTING OR
CORROSION
LACK OF ABILITY OF CHAIN
OR COMPONENTS TO HINGE
FREELY
WELD SPATTER
WEB SLINGSACID OR CAUSTIC BURNS
MELTING OR CHARRING OF
ANY PART OF THE SLING
HOLES, TEARS, CUTS OR
SNAGS
BROKEN OR WORN STITCHING
IN LOAD BEARING SPLICES
EXCESSIVE ABRASIVE WEAR
DISCOLORATION AND BRITTLE
OR STIFF AREAS ON ANY PART
OF THE SLING, WHICH
MAY MEAN CHEMICAL OR
ULTRAVIOLET / SUNLIGHT
DAMAGE
ROUND SLINGSACID OR CAUSTIC BURNS
EVIDENCE OF HEAT DAMAGE
HOLES, TEARS, CUTS,
ABRASIVE WEAR OR SNAGS
THAT EXPOSE THE CORE
YARNS
BROKEN OR DAMAGED CORE
YARNS
WELD SPATTER THAT EXPOSES
CORE YARNS
DISCOLORATION AND BRITTLE
OR STIFF AREAS ON ANY PART OF
THE SLINGS, WHICH MAY MEAN
CHEMICAL OR OTHER DAMAGE
Copyright © 2016 The Crosby Group LLC All Rights Reserved 471
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Rigging Information
WIRE ROPE SLING CONNECTIONS AND HITCHES 6
CONNECTION TO FITTINGS CHOKER CAPACITY
USE A THIMBLE TOPROTECT SLINGAND INCREASE D/d
NEVER PLACE EYEOVER A FITTINGWITH SMALLERDIAMETER ORWIDTH THAN THEROPE’S DIAMETER.
NEVER PLACE ASLING EYE OVER AFITTING WITH ADIAMETER ORWIDTH GREATERTHAN ONE HALFTHE LENGTHOF THE EYE.
A CHOKER HITCH HAS75% OF THE CAPACITYOF A SINGLE LEG SLINGONLY IF THE ANGLE OFCHOKE IS 120 DEGREESOR GREATER. A CHOKEANGLE LESS THAN 120DEGREES CAN RESULTIN A CAPACITY AS LOWAS 40% OF THE SINGLELEG.
BASKET HITCH CAPACITY MULTIPLE LEG SLINGS
A BASKET HITCH HAS TWICE
THE CAPACITY OF A SINGLE
LEG ONLY IF D/d RATIO IS 25/1
AND THE LEGS ARE VERTICAL.
CAPACITY % OF
ANGLE SINGLE LEG90 200%
60 170%
45 140%
30 100%
TRIPLE LEG SLINGS HAVE 50% MORE
CAPACITY THAN DOUBLE LEG SLINGS
(AT SAME SLING ANGLE) ONLY IF THE
CENTER OF GRAVITY IS IN CENTER OF
CONNECTION POINTS AND LEGS ARE
ADJUSTED PROPERLY. THEY MUST HAVE
AN EQUAL SHARE OF THE LOAD.
QUAD (4 LEG) SLINGS OFFER IMPROVED
STABILITY BUT PROVIDE INCREASED
CAPACITY ONLY IF ALL LEGS SHARE AN
EQUAL SHARE OF THE LOAD.
L
d
D
ANGLE
CHAIN SLING CONNECTIONS AND HITCHES 7A
CONNECTION TO FITTINGS CHOKER CAPACITY
USE MASTER LINKS TO COLLECT
SLINGS AND TO CONNECT TO HOOK
USE GRADE 8 (80) OR GRADE 10 (100) FITTINGS
THAT MATCH THE WLL OF CHAIN AND OFFER
PROPER SECUREMENT.
A CHAIN CHOKER HITCH HAS 80% OF THE CAPACITY OF A
SINGLE LEG SLING ONLY IF THE ANGLE OF CHOKE
IS 120 DEGREES OR GREATER. RATED LOADS FOR ANGLES
OF CHOKE LESS THAN 120 DEGREES SHALL BE
DETERMINED BY THE SLING MFG
OR A QUALIFIED PERSON.
NO LOSS IN CAPACITY
RESULTS IF A CRADLE
GRAB HOOK IS USED
WHEN ANGLE OF CHOKE
IS 120 DEGREES OR GREATER
BASKET HITCH CAPACITY MULTIPLE LEG SLINGS
A TRUE BASKET HITCH HAS TWICE THE CAPACITY OF A
SINGLE LEG ONLY IF THE LEGS ARE VERTICAL. NOTE THAT
THE BASKET IS FORMED BY USING A CHAIN SLING WITH TWO
MASTERLINKS AT EACH END CONNECTED TO THE HOOK.
HORIZONTAL CAPACITY % OF
ANGLE SINGLE LEG
90 200%
60 170%
45 140%
30 100%
TRIPLE LEG CHAIN SLINGS HAVE 50% MORE
CAPACITY THAN DOUBLE LEG CHAIN SLINGS (AT
SAME SLING ANGLE) ONLY IF THE CENTER OF
GRAVITY IS IN THE CENTER OF THE CONNECTION
POINTS AND LEGS ARE ADJUSTED PROPERLY.
THEY MUST HAVE AN EQUAL SHARE OF THE LOAD.
QUAD (4 LEG) CHAIN SLINGS OFFER
IMPROVED STABILITY, BUT DO NOT PROVIDE
INCREASED CAPACITY. THE CAPACITY OF A FOUR
LEG CHAIN SLING IS CONSIDERED THE SAME AS
THREE LEG CHAIN SLING.
Copyright © 2016 The Crosby Group LLC All Rights Reserved472
Rigging Information
CENTER OF GRAVITY AND SLING LOADING WEIGHTS AND MEASURES 10
WHEN LIFTING VERTICALLY,
THE LOAD WILL BE SHARED
EQUALLY IF THE CENTER OF
GRAVITY IS PLACED EQUALLY
BETWEEN THE PICK POINTS.
IF THE WEIGHT OF THE LOAD
IS 10,000 LBS., THEN EACH
SLING WILL HAVE A LOAD
OF 5,000 LBS. AND EACH
SHACKLE AND EYEBOLT WILL
ALSO HAVE A LOAD OF 5,000 LBS.
3
UNIT WEIGHT STEEL = 490 LBS/FT3
UNIT WEIGHT ALUMINUM = 165 LBS/FT3
UNIT WEIGHT CONCRETE = 150 LBS/FT3
UNIT WEIGHT WOOD = 50 LBS/FT3
UNIT WEIGHT WATER = 62 LBS/FT3
UNIT WEIGHT SAND AND GRAVEL = 120 LBS/FT3
UNIT WEIGHT COPPER = 560 LBS/FT3
UNIT WEIGHT OIL = 58 LBS/FT
1 CUBIC FT. = 7.5 GALS 1/2 INCH = 12.7 mm
1 METRIC TON = 1.1 US TONS 1 INCH = 25.4 mm
1 KILOGRAM = 2.2 LBS
CENTER OF GRAVITY AND SLING LOADINGWHEN THE CENTER OF GRAVITY
IS NOT EQUALLY SPACED BETWEEN
THE PICK POINTS, THE SLING AND
FITTINGS WILL NOT CARRY AN EQUAL
SHARE OF THE LOAD. THE SLING
CONNECTED TO THE PICK POINT
CLOSEST TO THE CENTER OF GRAVITY
WILL CARRY THE GREATEST SHARE
OF THE LOAD.
SLING 2 IS CLOSEST TO COG. IT WILL HAVE THE GREATEST SHARE
OF THE LOAD.
SLING 2 = 10,000 X 8 / (8+2) = 8,000 LBS.
SLING 1 = 10,000 X 2 / (8+2) = 2,000 LBS.
VOLUME OF RECTANGLE =
HEIGHT x WIDTH x LENGTH
HEIGHT
WIDTH
VOLUME OF SPHERE =
3.14 x (DIAM. x DIAM. x DIAM.) / 6
DIAMETER VOLUME OF CYLINDER =
3.14 x (DIAM. x DIAM. x LENGTH) / 4
HEIGHT
WIDTH
LENGTH
WEB SLING AND ROUNDSLING CAPACITIES 9WEB SLING IDENTIFICATION INCLUDES: ROUNDSLING IDENTIFICATION INCLUDES:
SLING TYPE:
TC - TRIANGLE CHOKER
TT - TRIANGLE TRIANGLE
EE - EYE AND EYE
EN - ENDLESS
NUMBER OF PLIES: 1 OR 2
WEBBING GRADE: 9 OR 6
SLING WIDTH (INCHES)
EE 2-9 04 X 12 SLING LENGTH (FEET)
SLING NUMBER: 1-13
SLING NUMBERS ARE FOR REFERENCE
ONLY, SOME ROUNDSLINGS HAVE
DIFFERENT RATINGS.
SLING COLOR: PURPLE, GREEN, YELLOW,
TAN, RED, WHITE, BLUE, ORANGE
SLING COLOR IS NOT FOLLOWED BY ALL
MANUFACTURERS AND SOME COLORS HAVE
MORE THAN ONE RATED LOAD.
FOLDING, BUNCHING, OR PINCHING
OF SYNTHETIC SLINGS, WHICH OCCURS
WHEN USED WITH SHACKLES, HOOKS
OR OTHER APPLICATION WILL REDUCE
THE RATED LOAD.
CHOKER CAPACITY BASKET HITCH CAPACITY MULTIPLE LEG SLINGS
A CHOKER HITCH HAS
80% OF THE CAPACITY
OF A SINGLE LEG SLING
ONLY IF THE ANGLE OF
CHOKE IS 120 DEGREES
OR GREATER. A CHOKE
ANGLE LESS THAN 120
DEGREES WILL
RESULT IN A
CAPACITY AS
LOW AS 40% OF
THE SINGLE LEG.
HORIZONTAL CAPACITY % OF
ANGLE SINGLE LEG
90 200%
60 170%
45 140%
30 100%
A TRUE BASKET HITCH
HAS TWICE THE
CAPACITY OF A SINGLE
LEG ONLY IF THE LEGS
ARE VERTICAL
TRIPLE LEG SLINGS HAVE 50% MORE
CAPACITY THAN DOUBLE LEG SLINGS
(AT SAME SLING ANGLE) ONLY IF THE
CENTER OF GRAVITY IS IN THE CENTER
OF CONNECTION POINTS AND LEGS
ARE ADJUSTED PROPERLY. THEY MUST
HAVE AN EQUAL SHARE OF THE LOAD.
QUAD (4 LEG) SLINGS OFFER IMPROVED
STABILITY BUT PROVIDE INCREASED
CAPACITY ONLY IF ALL LEGS SHARE AN
EQUAL SHARE OF THE LOAD.
NEVER PLACE A SYNTHETIC SLING EYE OVER A FITTING WITH A DIAMETER OR WIDTH
GREATER THAN ONE THIRD THE LENGTH OF THE EYE.
BUNCHING PINCHING
Copyright © 2016 The Crosby Group LLC All Rights Reserved 473
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Rigging Information
OPERATING PRACTICES - ASME B30.9 LOAD CONTROL 15
WHENEVER ANY SLING IS USED, THE FOLLOWING PRACTICES SHALL BEOBSERVED.
1. SLINGS THAT ARE DAMAGED OR DEFECTIVE SHALL NOT BE USED.2. SLINGS SHALL NOT BE SHORTENED OR LENGTHENED BY KNOTTING
OR TWISTING.3. SLING LEGS SHALL NOT BE KINKED.4. THE RATED LOAD OF THE SLING SHALL NOT BE EXCEEDED.5. SLINGS USED IN A BASKET HITCH SHALL HAVE THE LOADS
BALANCED TO PREVENT SLIPPAGE.6. SLINGS SHALL BE SECURELY ATTACHED TO THEIR LOAD.7. SLINGS SHALL BE PROTECTED FROM EDGES, CORNERS,
PROTRUSIONS AND ABRASIVE SURFACES TO PREVENT SLINGDAMAGE.
8. DURING LIFTING, WITH OR WITHOUT LOAD, PERSONNEL SHALL BEALERT FOR POSSIBLE SNAGGING.
9. ALL EMPLOYEES SHALL BE KEPT CLEAR OF LOADS ABOUT TO BELIFTED AND OR SUSPENDED LOADS.
10. HANDS OR FINGERS SHALL NOT BE PLACED BETWEEN THE SLING AND ITS LOAD WHILE THE SLING IS BEING TIGHTENED AROUND THELOAD.
11. SHOCK LOADING SHOULD BE AVOIDED.12. A SLING SHALL NOT BE PULLED FROM UNDER A LOAD WHEN THE
LOAD IS RESTING ON THE SLING.
INSPECTION: EACH DAY BEFORE BEING USED, THE SLING AND ALLFASTENINGS AND ATTACHMENTS SHALL BE INSPECTED FOR DAMAGE OR DEFECTS BY A COMPETENT PERSON DESIGNATED BY THE EMPLOYER.ADDITIONAL INSPECTIONS SHALL BE PERFORMED DURING SLING USEWHERE SERVICE CONDITIONS WARRANT. DAMAGED OR DEFECTIVESLINGS SHALL BE IMMEDIATELY REMOVED FROM SERVICE.
POSITIVE LOAD
CONTROL
REEVING THROUGH CONNECTIONS TO LOAD
INCREASES LOAD ON CONNECTION FITTINGS BY AS
MUCH AS TWICE.
DO NOT REEVE!
SLING ANGLES 11
TWO LEGGED SLING - WIRE ROPE, CHAIN, SYNTHETICS
VERTICAL SHARE OF
LOAD ON SLINGS ARE
EQUAL IF CENTER OF
GRAVITY IS IN THE MIDDLEBETWEEN PICK POINTS
HORIZONTAL SLING ANGLE L
H
HORIZONTAL SLING LOAD ANGLE ANGLE (A) DEGREE FACTOR = L/H
90 1.000 60 1.155 50 1.305 45 1.414 30 2.000
LOAD ON EACH LEG OF SLING =VERTICAL SHARE OF LOAD X LOAD ANGLE FACTOR
LOAD ON SLING CALCULATED
TENSION 1 = LOAD X D2 X S1/(H(D1+D2))
TENSION 2 = LOAD X D1 X S2/(H(D1+D2))
HORIZONTAL SLING
ANGLES OF LESS THAN
30 DEGREES ARE NOT
RECOMMENDED REFER
TO ASME B30.9 FOR FULL
INFORMATION
LOAD ON SLING CALCULATED
TENSION 1 = LOAD X D2 X S1/(H(D1+D2))
TENSION 2 = LOAD X D1 X S2/(H(D1+D2))
D1
D2
H
CG
H
D1 D2
S1
S2
H
Copyright © 2016 The Crosby Group LLC All Rights Reserved474
Rigging Information
BLOCK SELECTION AND APPLICATION GUIDE 1
RISK MANAGEMENT MECHANICAL ADVANTAGE AND TOTAL LOAD
COMPREHENSIVE SET OF ACTIONS
THAT REDUCES THE RISK OF A
PROBLEM, A FAILURE, AN ACCIDENT
MECHANICAL ADVANTAGEIS THE LEVERAGEGAINED BY A MULTIPLEPART BLOCK.MUST HAVE ATRAVELINGBLOCKTO HAVEMECHANICALADVANTAGE.THETHEORETICALADVANTAGE ISEQUAL TOTHE NUMBEROF PARTSOF LINESUPPORTINGTHE TRAVELINGBLOCK.
TRUE MECHANICAL ADVANTAGE
ADVANTAGE
FOR BRONZE
BUSHING
ADVANTAGE
FOR ANTI
FRICTION
NUMBER
OF LINE
PARTSYOU NEEDPRODUCT KNOWLEDGE
APPLICATION KNOWLEDGE
MANUFACTURER OF KNOWN CAPABILITY
PRODUCTS THAT ARE CLEARLY IDENTIFIED
WITH THE FOLLOWING:
1. MANUFACTURER’S NAME AND LOGO
2. LOAD RATING OR SIZE THAT
REFERENCES RATINGS
3. TRACEABILITY CODE
5.16 5.60 6
5.90 6.47 7
6.60 7.32 8
7.27 8.16 9
7.91 8.98 10
8.52 9.79 11
9.11 10.60 12
A GOOD RISK MANAGEMENT
PROGRAM RECOGNIZES
PERFORMANCE REQUIREMENTS INCLUDE
THE FOLLOWING:
1. LOAD RATED PRODUCTS
2. QUENCHED AND TEMPERED
3. ABILITY TO DEFORM WHEN OVERLOADED.
4. ABILITY TO WITHSTAND REAL WORLD
LOADING IN DAY TO DAY USE, TOUGHNESS.
TOTAL LOAD
THE TOTAL LOAD PLACED ON THE BLOCK
AND ITS END FITTING DETERMINES THE
WORKING LOAD LIMIT REQUIRED.
2801 DAWSON RD, TULSA, OK, USA
(918) 834-4611 FAX (918) 832-0940
WWW.THECROSBYGROUP.COM
VERSION
(8/1/03)
WORKING WITH BLOCKS 2
OVERHAUL WEIGHT
To determine the weight of the
block or overhaul ball that is
required to free fall the block,
the following information is
needed: Size of wire rope,
Number of line parts,
Type of sheave bearing,
Length of crane boom,
and Drum Friction.
BLOCK REAVING
Straight laced reeving is a basic method
of placing the rope through a set of
blocks. The end of the rope is fed
through the outside sheave of the
upper block to the outside sheave
of the lower (traveling) block. This
continues to the last sheave.
ADVANTAGES:
1. Allows blocks to
run closer together.
2. Is simple.
3. Has no reverse
bends.
DRAWBACKS:
Tilting because of
imbalanced loading
can cause block
rotation and wear
of the sheaves and
wire rope
SYMMETRICAL REEVING
Reeve blocks symmetrically to distribute
load evenly. All sheaves must be reeved
to achieve the full working load limit of
the block.
BLOCK CABLING
1. Reduce wire rope length
2. Use even part reeving
3. Dead end to boom
4. Evaluate wire rope construction
FOR ADDITIONAL INFORMATION REFER TO THE CROSBY GENERAL CATALOG
Copyright © 2016 The Crosby Group LLC All Rights Reserved 475
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Rigging Information
RIGGING WITH BLOCKS 3
TOTAL LOAD:
Load Wt. (1000 lbs.)
+ Winch Pull (1000 lbs.)
= 2000 lbs. MINIMUM
NO MECHANICAL ADVANTAGE = ONE
WINCH PULL = 1,000 LBS.
TOTAL LOAD:
Load Wt. (1000 lbs.)
+ Winch Pull (500 lbs.)
= 1500 lbs. MINIMUM
MECHANICAL ADVANTAGE = TWO
WINCH PULL = 500 LBS.
PULL (P) RQUIRED (LEVEL GROUND)= WEIGHT (W) X FRICTION FACTOR (f)
MANY SURFACES HAVE A FRICTION FACTOR < 1
(f) for STEEL ON STEEL is .16 lubricated
(f) for STEEL ON STEEL is .8 clean
(f) for WOOD ON METAL is .2 to .6 clean
(f) for WOOD ON WOOD is .25 to .5 clean
WINCH PULL REQUIRED = WEIGHT X FRICTION FACTOR
MECHANICAL ADVANTAGE
ONE PART OF LINE
REQUIRED PULL
FRICTIONFORCE
TWO PARTS OF LINE
TOTAL LOAD = 1,000 LBS.
P = (W)x(f)
WEIGHT
= W
BLOCK LOADING - ANGLE FACTOR MULTIPLIERS 4
A single line sheave block used to
change load line direction can be
subject to total loads greatly
different from the line pull
ANGLE FACTOR MULTIPLIERS
ANGLE FACTOR ANGLE FACTOR
0 2.00 100 1.29
10 1.99 110 1.15
20 1.97 120 1.00
30 1.93 130 .84
40 1.87 135 .76
45 1.84 140 .68
50 1.81 150 .52
60 1.73 160 .35
70 1.64 170 .17
80 1.53 180 .00
90 1.41 — —
TOTAL LOAD = LINE PULL X ANGLE FACTOR
EXAMPLE, AT 45 DEGREES, AND 10,000 LB LINE PULL,
TOTAL LOAD = 10,000 X 1.84 = 18,400 LBS.
FOR ADDITIONAL INFORMATION REFER TOTHE CROSBY GENERAL CATALOG
Copyright © 2016 The Crosby Group LLC All Rights Reserved476
Rigging Information
SHEAVE INSPECTION 9
SHEAVE INSPECTION
CHECKING GROOVE SIZE FOR PROPER SIZE
SHEAVE INSPECTION
Minimum groove radii for worn sheave
tolerances per “Wire Rope User’s Manual” (third edition)
SHEAVE FLEET ANGLE*
• Fleet Angle is the entrance and exit angle of the
wire rope relative to the sheave
• Fleet angle should be no more then 1-1/2 degreesNOMINAL WIRE
ROPE SIZE
(in.)
RADII
(in.)
NOMINAL WIRE
ROPE SIZE
(in.)
RADII
(in.)
1/4 .128 3/4 .384
FLEET ANGLE
5/16 .160 7/8 .448
3/8 .192 1 .513
7/16 .224 1-1/8 .577
1/2 .256 1-1/4 .641 * NOTE: “Wire Rope User’s Manual” allows 2 degrees on
grooved winch drums.9/16 .266 1-3/8 .705
5/8 .320 1-1/2 .769
FOR ADDITIONAL INFORMATION REFER TO THE CROSBY GENERAL CATALOG
Check sheave grooves
for wear
Check flanges
for wear,
chips and cracks
Check grooves
for proper size
Check bearings
for wobble, lubrication
& ease of rotation
IMPROPER PROPER
BLOCK HOOK INSPECTION 10
CROSBY RECOMMENDS AS A MINIMUM:
1. A visual inspection for cracks, nicks, wear, gouges and
deformation as part of a comprehensive documented
inspection program, should be conducted by trained
personnel in compliance with the schedule i B30.10.
2. For hooks used in frequent load cycles or pulsating load,
or exposed to corrosive conditions (Road Salt, etc.) the
hook and thread should be periodically inspected by Magnetic
Particle or Dye Penetrant.
LUBRICATION OF HOOK BEARINGS:
Anti Friction — Every 14 days for frequent swiveling; every
45 days for infrequent swiveling.
Bronze Thrust Bushing or No Bearing — Every 16 hours
for frequent swiveling; every 21 days for infrequent swiveling
ASME B30.10 INSPECTION FREQUENCY
1. Frequent Inspection - vi su al exa minations by the operator or
other desi gnated perso n.
(a) normal se rvi ce - monthly.
(b) heavy se rvi ce - weekl y to monthly
(c) se ve re se rvi ce - daily or weekl y
perso n - before and after each occu rrence , with reco rds
of the operation.
2. Period Inspection - vi su al insp ect ions by an appointed perso n
maki ng reco rds of apparent ext ernal co nditions to provi de the
basi s for co ntinuing eva luation.
se rvi ce , normal - se rvi ce that invo lve s operating at less than
85 perce nt of rated load exce pt for iso lated inst ance s. )
(b) heavy se rvi ce - as in normal se rvi ce , unless ext ernal
co nditions indica te that disa sse mbly sh ould be done to
se rvi ce that invo lve s operating 85 perce nt to 100 perce nt of
(c) se ve re se rvi ce - as in heavy se rvi ce , exce pt that the detailed
insp ect ion may sh ow the need for use of nondest ruct ive typ e
co upled with abnormal operating co nditions. )
FOR ADDITIONAL INFORMATION REFER TO ASME B30.10 AND OSHA 1910.179 OVERHEAD GANTRY CRANES
Copyright © 2016 The Crosby Group LLC All Rights Reserved 477
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CROSBY FITTINGS & CHAINAlloy Chain .....................................................................227, 243Angular Contact Bearing Swivels ................................. 138-140Barrel Hooks ...........................................................................133Bolts —
Machinery Eye Bolts .......................................................169Regular Eye .....................................................................167Shoulder Eye ........................................................... 168-171Screw Eye ........................................................................168Rivet Eye ..........................................................................170Ring ..................................................................................171
Bullard Hooks ................................................... 124-129, 263-264 Bundle Clips .............................................................................173Button Spelter Sockets ..............................................................40Chain ................................................................. 227, 242, 249-252Boomer ......................................................................................262Grade 30 ...................................................................................250Grade 40 ....................................................................................251Grade 70 ...................................................................................252Grade 80 ...................................................................................242Grade 100 ..................................................................................227Chain Links ..................................................................... 160-164Chain Shortener Link .............................................................237Chain Sling Information ........................................................219Chain Swivels .........................................................................135Clamps .............................................................................. 409-428Clips —
Crosby “Red U-Bolt” ........................................................34Fist Grip .............................................................................35Stainless Steel Clips...........................................................34
Closed Wire Rope Sockets .................................................43, 48Connecting Links ...........................................227, 237, 252, 254Coupler Link ............................................................................237Crosby Chain .................................................. 227, 242, 248-251Crosby Clamp-Co —
Barrier Grab .....................................................................434Beam Clamps ...................................................................433Curb Grab .........................................................................434Pipe Grab ................................................................ 430 - 432Pipe Hook .........................................................................435
Crosby Communication System .......................................13, 17Crosby IP Clamps —
Beam Clamps ........................................................... 419-421Drum Clamps ..................................................................423Horizontal Clamps .................................................. 414-418Misc. Clamps —
Screw Style ..............................................................428Stinger Assembly ....................................................428
ShipbuildingBulbpro!les .....................................................425, 427Shipsections .............................................................426Vertical Clamps ............................................... 410-413
Crosby Product Bulletins —How to Assemble Alloy Fittings ...................................276What It Takes To Be“Crosby or Equal” .. ..................................15, 18, 20, 22, 24Quality Continuum ...........................................................16World Standards .......................................................... 18-19Identi!cation ............................................................... 20-21Heat Treatment ........................................................... 22-23Material Properties ..................................................... 24-25Product Warnings ....................................................... 27-30
Forged Wire Rope Clips ............................................ 32-33Shackles ....................................................................... 71-73Hoist Hooks 319, 320, 322 ......................................112-115McKissick & Lebus Snatch Blocks ....................... 306-307Turnbuckles ............................................................. 156-157
Crosby Product Warnings —Warning Elements ....................................................... 27-30Warning Colors ..................................................................30Warning Format ................................................................29
Crosby Trawlex ............................................................... 438-442Pro!le Chain ....................................................................440Connectors ............................................................... 441-442
Double Clevis Links ...............................................................255End Links ................................................................................165Eyes —
Lifting ...............................................................................172Nut ....................................................................................172Pad ....................................................................................171
Eye Bolts .......................................................................... 167-172Fist Grip Clips ...........................................................................35Grade 8 Alloy Chain ..............................................................242Grade 8 Alloy Fittings ................................................... 240-242High Tensile Transport Chain ..............................................252High Test Chain ......................................................................251Hoist Rings ...................................................................... 174-187Hooks —
Grade 80 .............................................................114-121, 247Grade 100 .................................................................. 230-238Barrel ................................................................................133Bullard ....................................................... 124-129, 263-264Chain Nest ................................................................ 263-264Choker .............................................................................132Clevis Grab ......................................................................233Clevis Sling ......................................................................231Clevis Slip ........................................................................257Eye .............................114-118, 120, 133-134, 232 , 234, 236,
238, 247, 256-257Eye Grab ..................................................................234, 256Eye Sling ..........................................................................230Eye Slip ............................................................................257Foundry ...........................................................................232Latching Clevis ...............................................................247Latching Eye ....................................................................247Replacement ....................................................................134Round Reverse Eye ........................................................133ROV ........................................................................... 130-131Shank ............................................51, 112-113, 118, 128-129SHUR-LOC® ..............................................118-119, 235-236Sling ..........................................................................130, 231Snap ..................................................................................133Sorting ..............................................................................134Swivel ................. 116-117, 119-120, 126, 134, 236, 263-264Utility ................................................................................120Web Slings ........................................................................102Web Choker ......................................................................103Weld-On ............................................................................120
Latch Assemblies —4320............................................................................121, 248Alloy .........................................................................123, 248PL ......................................................................................122SS-4055 ..............................................................................123
Latching Eye Hook ................................................118, 235, 247
Alphabetical Index
Copyright © 2016 The Crosby Group LLC All Rights Reserved478
Latching Clevis Hook ....................................................235, 247Lifting Clamps ................................................................. 409-435Lifting Eyes .............................................................................172Lifting Point (SL-150) ..............................................................187Links .......................................................... 160-166, 228, 243-246Lok-A-Loy 6 Connecting Links ............................................253Lok-A-Loy 10 Connecting Links ..........................................227Machinery Eye Bolts ..............................................................169Master Links ............................................. 160-164, 228, 243-246Missing Links ..........................................................................254Mooring Sockets ........................................................................41Nuts —
Eye .....................................................................................172Nut Ring Bolts ................................................................171
Open Wire Rope Sockets ...................................................42, 47Pad Eyes ..................................................................................171Pear Shape Missing Link .......................................................254Plate Clamps ............................................................ 410-418, 428Product Warnings —
Bundle Clips ............................................................. 213-214Chain Slings ............................................................. 266-268Crosby/Bullard Hooks ........................................... 146-147Crosby Clips ......................................................................56Crosby Eliminator ................................................... 269-270Crosby Fist Grip Clips .....................................................57Crosby PL Hook Latch Kit ..................................... 151-152Crosby S-4320 Latch Kit .................................................141Crosby SS-4055 Latch Kit ...............................................150Crosby S-4338 Latch Kit .................................................265Forged Eye Bolts ...................................................... 200-201Hoist Hooks ............................................................ 142-145Hydraulic Swaging Machine ..................................... 65-72Load Binders ....................................................................271Pivot Hoist Rings .................................................... 202-203ROV Hook ................................................................ 153-154Sidepull Hoist Rings ............................................... 206-207Slide-Loc Lifting Point ............................................ 215-216Split Nut ................................................................... 144-145Swageable Hooks ........................................................ 61-62Swivel Hoist Rings .................................................. 210-212SHUR-LOC® Hooks ............................................... 272-273Tackle Blocks ............................................................ 381-388Tailchain.................................................................... 274-275Trench Plate Hoist Ring .......................................... 204-205Tubing Grab ............................................................. 389-390WIRELOCK® ............................................................... 63-64Wedge Sockets ............................................................. 58-60Weld-on Hooks ........................................................ 148-149Weld-on Links .......................................................... 208-209
Proof Coil Chain .....................................................................250Red-U-Bolt (Crosby Clip) ........................................................34Regular Forged Swivels ........................................................135Replacement Links .................................................................254Rings ........................................................................................165Ring Bolts ................................................................................171Rivet Eye Bolts ........................................................................170ROV Shackles ....................................................................... 90-91ROV Hooks ...................................................................... 130-131Screw Eye Bolts .......................................................................168 Shackles ............................................................................... 73-94
Application Information ............................................ 92-94 Bolt Type Shackles ....................................................... 79-82
General Information ................................................... 74-75 Grommet Shakles ..............................................................87Screw Pin Shackles ...................................................... 77-78Subsea Shackles .................................................................91Theatrical Shackle .............................................................89Wide Body Shackle ..................................................... 84-85
Shoulder Nut Eye Bolts ................................................. 168-169SHUR-LOC® Eye Hook ................................................118, 235Slide-Loc (SL-150) ...................................................................187Sling I.D. Tags ..........................................................................238Sling Links ................................................ 160-164, 228, 243-246Sling Saver —
Link Plate ..........................................................................101Spool..................................................................................101Web Connector ................................................................103Web Sling Hook ...............................................................102Web Sling Shackle ..................................................... 99-100Web Sling System .................................................... 106-107Web to Chain Connector ................................................103Web to Web Connector ...................................................104
Sockets .................................................................................. 36-43Spectrum Chain ............................................... 227, 242, 249-251Spelter Sockets ..................................................................... 40-43Super Terminator ................................................................ 38-39Swage Sockets ...................................................................... 47-48Swivels —
Angular Contact Bearing Swivel .......................... 138-140Forged Swivel ..................................................................135Tapered Roller/Thrust Bearing ............................. 136-137
Swivel Hoist Rings .......................................................... 177-184Synthetic Sling Saver Shackle .......................................... 99-100Terminator ..................................................................................37Thimbles .......................................................................... 158-159Theatrical Shackles ....................................................................89Transport Chain ......................................................................252Turnbuckles ..................................................................... 189-198Twin Clevis Link ....................................................................255Vitalife Wire Rope Lubricant .................................................199Wedge Sockets .................................................................... 36-37Weldless Links and Rings ............................................. 165-166Weld-on Hooks ........................................................................120Weld-on Pivot Links ...............................................................187Wire Rope Clips .................................................................. 34-35Wire Rope Lubricant ...............................................................199Wire Rope Terminations .................................................... 31-54Wirelock® Resin ........................................................................54
LEBUS LOAD BINDERSLoad Binders ................................................................... 258-261Load Binder Application Instructions .................................271Snatch Blocks .................................................................. 361-369Winchline Tail Chain ..............................................................274
MCKISSICK® BLOCKS & SHEAVESBlocks for Every Purpose
Bridge Crane Blocks ....................................... 350-353, 460Construction Blocks ............................................... 338-348Crane and Hook Blocks ......................................... 310-330Drilling ...................................................................... 375-376Hoist .......................................................................... 310-335Hay Fork Pulley Blocks .................................................370
Oil!eld ...................................................................... 370-377
Alphabetical Index
Copyright © 2016 The Crosby Group LLC All Rights Reserved 479
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Scrap Handling Blocks ...................................................335Snatch Blocks .......................................................... 361-366Tilt-Up Wall Blocks ................................................ 336-337Toggle (Tail Board) Blocks ..................................... 361-366Tower ................................................................................371Tubing Blocks ..................................................................372
(For additional blocks see Western Section.)Block Warning, Use and Maintenance ......................... 381-388Fairleaders ................................................................................406General Block Information............................................. 381-388How to Determine Overhauling Weights ............................387
How to Figure Line Parts ...................................... 387-388How to Order McKissick Blocks and Sheaves .......... 308How Sheave Size Affects Wire Rope Strength .......... 386Loads on Blocks ...................................................... 384-385Reeving of Tackle blocks ...............................................385
Overhaul Balls ................................................................ 354-359Pull Test Capabilities .............................................................391Rigging Information ...................................................... 461-468Sheaves —
AISE...................................................................................302API Standards ..................................................................285Bearings ....................................................................279, 286Bronze Bushed ........................................................ 293-297Closed Die Forged Sheaves ...........................................284Common Bore ......................................................... 291-292Deck Mounted Lead ......................................................406Domed Sheaves ...............................................................283Ductile Iron Sheaves .......................................................284Fabricated Sheaves ..........................................................283Finished Bore .......................................................... 288-290Groove Pro!les ........................................................279, 285Metric Sheaves .................................................................303Oil!eld Sheaves ....................................................... 300-301Ordering Information ....................................................287Roll Forged Sheaves ........................................................282Roller Bearing ......................................................... 297-298Tapered Bearing ..............................................................299Western .............................................................................304Special Blocks ..................................................................370
Split Overhaul Balls ................................................................358Trawling Blocks ......................................................................401Try Net Blocks .........................................................................401Wedge Socket ....................................................................... 36-39
NATIONAL SWAGE FITTINGSDuplex Non-Tapered Sleeve ...................................................50Hydraulic Swaging Machine ..................................................53Standard Steel Swaging Sleeves ....................................... 44-46Swage Button ............................................................................49Swage Sockets ...................................................................... 47-48
WESTERN BLOCKS & SHEAVESBlocks for Manila Rope —
Fittings for ........................................................................408Wood Shell —
Regular Mortise Blocks .........................................396Painters Blocks .......................................................399Snatch Blocks .........................................................398
Steel Shell —Gin Pole Blocks ......................................................399Snatch Blocks .........................................................398
Standard Steel Blocks ............................................397Synthetic Fiber Rope Blocks .................................397
Blocks for Wire Rope —Fittings for ........................................................................408Steel Shells —
Cargo Hoisting Block ..........................................402Fittings for .....................................................403
Regular Diamond Pattern Blocks ......................400Regular Oval Pattern Blocks ..............................400
Marine Blocks —Cargo Hoisting ....................................................... 402-403
Fittings for ...............................................................403Fairleaders .......................................................................406Flag Blocks ......................................................................405Hinged Lead Blocks .......................................................405Horizontal Lead Blocks .................................................404Lead Blocks ............................................................. 404-405
Miscellaneous —Adjuster Fitting for Heel and Lead Block .................. 400Block Maintenance ................................................. 381-388Fittings for Western Cargo Blocks ................................403Fittings for Manila or Wire Rope Blocks ......................408Ordering Instructions .....................................................394Training Information ......................................................380
Pressure Lube Fittings —Snatch Blocks ..................................................................395Oval Pattern Blocks ........................................................400Trawl Blocks ....................................................................401Trynet Blocks ...................................................................401Vertical Lead Blocks .......................................................404Lead Blocks ............................................................. 404-405
Sheaves —Iron for Manila Rope —
For Regular Mortise Blocks ..................................304For Snatch Blocks ..................................................304For Wide Mortise Blocks ......................................304
Iron for Wire Rope —For Snatch Blocks ..................................................304Steel Sheaves ...........................................................304For Wire Rope Snatch Blocks ...............................304For Manila Rope Snatch Blocks ...........................304Ordering Instructions ............................................287
Alphabetical Index
Copyright © 2016 The Crosby Group LLC All Rights Reserved480
CROSBYAS 1-17 .........................................140 - 142AS-15 ..................................................... 358Bullard ...........................126-131, 255, 263C186, C-187, C-188 .............................. 261Crosby ClampCo ..........................409-428 Crosby Easy-Loc .........................83, 85-87 Crosby IP .......................................429-435Crosby Trawlex .............................437-446PL, PN -N/O ........................................ 124S-3 (Proof Coil) .................................... 249S-4 (High Test) ..................................... 250S-7 (Tranpsort) ..................................... 251S-8 (Alloy) ............................................. 242S-10 (Alloy) ........................................... 227S-1 to S-6 ........................................138-139SL-150 .................................................... 187Sling I.D. tag ......................................... 238Vitalife ................................................... 201 100.......................................................... 186125............................177-179, 183-184, 188209............................................77-78, 86-90210............................................................ 77213............................................................ 76215............................................................ 76223.......................................................... 191225.......................................................... 192226.......................................................... 193227.......................................................... 194228.......................................................... 195237.......................................................... 102238.......................................................... 102247.......................................................... 254249.......................................................... 254251.......................................................... 200252 - 253 .................................................. 98255............................................................ 99256............................................................ 99257.......................................................... 174264.......................................................... 174265.......................................................... 189275.......................................................... 171276.......................................................... 173277.......................................................... 171279.......................................................... 172280............................................................ 96281............................................................ 97282.......................................................... 101287.......................................................... 101291.......................................................... 170293.......................................................... 173313.......................................................... 122314 - 315 ................................................ 246318.......................................................... 262319........................................... 114-115, 262320........................................... 116-117, 132322.......................................................... 118323.......................................................... 255324.......................................................... 256330.......................................................... 255331.......................................................... 256334.......................................................... 253335.......................................................... 252336.......................................................... 252338.......................................................... 239340.......................................................... 168341.......................................................... 169342.................................................. 163, 243344.................................................. 165, 244345.................................................. 164, 243347.................................................. 166, 245350.......................................................... 134377.......................................................... 135378.......................................................... 136400.......................................................... 175401 - 403 ................................................ 137405.......................................................... 175408.......................................................... 161
411 - 412 ................................................ 161414.......................................................... 160416............................................................ 42416-7 (WIRELOCK®) ............................. 54417............................................................ 43421............................................................ 36422............................................................ 37423............................................................ 39427............................................................ 40429............................................................ 35450............................................................ 34460 - 461 ................................................ 176500.......................................................... 185501............................................................ 47502............................................................ 48517............................................................ 41562.......................................................... 133643.......................................................... 168700.......................................................... 369720.......................................................... 3691000.................................................180-1821200........................................................ 1871210........................................................ 1351311N .................................................... 2371316................................................ 120, 2351317........................................................ 2351318........................................................ 1201325........................................................ 2371326................................................ 119, 2361327........................................................ 2301328........................................................ 2341329........................................................ 2321337........................................................ 2271338........................................................ 2331339........................................................ 2281342........................................................ 2281345........................................................ 2381355........................................................ 2331358........................................................ 2321359........................................................ 2261360........................................................ 2261361........................................................ 2251362........................................................ 2252130.............................................. 79, 81, 882131........................................................ 4072140...............................................82-83, 882150.......................................................... 802160.....................................................84-852169.......................................................... 782170.......................................................... 872510........................................................ 1973315........................................................ 1353316........................................................ 1363319........................................................ 1223322B ..................................................... 1194037.................................................194-1964055........................................................ 1234060 - 4061 ............................................ 1984061........................................................ 1984088................................................ 123, 2484104........................................................ 2264209.......................................................... 904320................................................ 121, 2484338........................................................ 24813326.............................................. 119, 236
LEBUSA-1W ..................................................... 260L-130 ...................................................... 261L-140 ...................................................... 259L-150 .............................................. 258, 261L-160 ...................................................... 367L-170 ...................................................... 368L-180 ...................................................... 262R-10........................................................ 260R-7QL .................................................... 259
MCKISSICKDrilling Blocks ..............................375-326Easy Reeve Crane Blocks ............325-330Scrap Handling Block ......................... 335RJ............................................................ 375RP........................................................... 376HF-1 TO HF-14 .................................... 370SHB ........................................................ 358Sheaves ..........................................278-303TGRB ..................................................... 378TU480 - 484 ....................................336-337UB500 .............................................354-355UB550 .................................................... 35970 Series ................................................ 37280 Series ................................................ 372171.......................................................... 370241 -243 ................................................. 374380 Series .......................................310-330381 Series .............................................. 335401.......................................................... 366402.......................................................... 365404.......................................................... 361406.......................................................... 362407.......................................................... 363408, 409.................................................. 364416, 417.................................................. 365418, 419.................................................. 361420, 421.................................................. 362422............................................ 37, 354, 356430, 431.................................................. 363432, 433.................................................. 364434, 435.................................................. 366443.......................................................... 370452 - 454 ................................................ 401457.......................................................... 406458 - 459 ................................................ 377461.......................................................... 406463.......................................................... 406475.......................................................... 373491.......................................................... 371480 Series .......................................336-337680 Series .......................................338-348731 - 734 ................................................ 374741 - 745 ................................................ 374750 Series .......................................350-353
WESTERN21 - 23 .................................................... 396130.......................................................... 399135.......................................................... 399261 - 263 ................................................ 397301 - 303 ................................................ 396350.......................................................... 399385.......................................................... 398390.......................................................... 398411 - 413 ................................................ 397566...................................................402-403600 - 601 ................................................ 404602 - 603 ................................................ 405641 - 642 ................................................ 400661 - 662 ................................................ 400681 - 683 ................................................ 4071101 - 1103 ............................................. 3041141 - 1143 ............................................. 3041192 ........................................................ 3041293........................................................ 3041298........................................................ 304Sheaves ................................................. 3042131........................................................ 407
NATIONALHydraulic Swaging Machine ............... 53409............................................................ 49501............................................................ 47502............................................................ 48505............................................................ 44506............................................................ 50
Numerical Index
Mass Conversions
To convert from U.S. tons to metric tons multiply by .907185
To convert from metric tons to U.S. tons multiply by 1.10231
To convert from metric tons to pounds multiply by 2204.62
To convert from metric tons to kilograms multiply by 1000
To convert from pounds to kilograms multiply by .453592
To convert from kilograms to pounds multiply by 2.20462
Temperature ConversionTo convert from degree fahrenheit to degree celsius use
Tc=5/9 (Tf-32)To convert from degree celsius to degree fahrenheit use
Tf=9/5 (Tc)+32
Reliability You Can Depend On, Crosby “QT” Fittings.
AS FORGED NORMALIZED QUENCHED &
TEMPERED
Decimal and Metric Conversion Table
Fractional
Equivalent
(in.)
Decimal
Equivalent
(in.)
Metric
Equivalent
(mm)
Fractional
Equivalent
(in.)
Decimal
Equivalent
(in.)
Metric
Equivalent
(mm)
1/64 .0156 .397 33/64 .5156 13.097
1/32 .0312 .794 17/32 .5312 13.494
3/64 .0469 1.191 35/64 .5469 13.891
1/16 .0625 1.588 9/16 .5625 14.288
5/64 .0781 1.984 37/64 .5781 14.684
3/32 .0938 2.381 19/32 .5938 15.081
7/64 .1094 2.778 39/64 .6094 15.478
1/8 .1250 3.175 5/8 .6250 15.875
9/64 .1406 3.572 41/64 .6406 16.272
5/32 .1562 3.969 21/32 .6562 16.669
11/64 .1719 4.366 43/64 .6719 17.065
3/16 .1875 4.762 11/16 .6875 17.462
13/64 .2031 5.159 45/64 .7031 17.859
7/32 .2188 5.556 23/32 .7188 18.256
15/64 .2344 5.953 47/64 .7344 18.653
1/4 .2500 6.350 3/4 .7500 19.050
17/64 .2656 6.747 49/64 .7656 19.447
9/32 .2812 7.144 25/32 .7812 19.844
19/64 .2969 7.541 51/64 .7969 20.241
5/16 .3125 7.938 13/16 .8125 20.638
21/64 .3281 8.334 53/64 .8281 21.034
11/32 .3438 8.731 27/32 .8438 21.431
23/64 .3594 9.128 55/64 .8594 21.828
3/8 .3750 9.525 7/8 .8750 22.225
25/64 .3906 9.922 57/64 .8906 22.622
13/32 .4062 10.319 29/32 .9062 23.019
27/64 .4219 10.716 59/64 .9219 23.416
7/16 .4375 11.112 15/16 .9375 23.812
29/64 .4531 11.509 61/64 .9531 24.209
15/32 .4688 11.906 31/32 .9688 24.606
31/64 .4844 12.303 63/64 .9844 25.003
1/2 .5000 12.700 1 1.0000 25.400
Decimal and Metric Conversion Table
Copyright © 2016 The Crosby Group LLC All Rights Reserved