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Designation: A 706/A 706M 98e1

Standard Specification for

Low-Allo Steel Defor!ed and "lain #ars for $oncrete%einforce!ent1This standard is issued under the fixed designation A 706/A 706M; the number immediately following the designation indicates the year of original

adoption or, in the case of reision, the year of last reision! A number in parentheses indicates the year of last reapproal!

A superscript epsilon (e" indicates an editorial change since the last reision or reapproal!This standard has been approved for use by agencies of the Department of Defense.

e# $%T&'An editorial correction was made in #(!# in August #)))!

1. Scope

#!# General'This specification coers deformed and plain low*alloy steel bars in cut lengths or coils for concretereinforcement intended for applications where restrictie mechanical properties and chemical composition are

re+uired for compatibility with controlled tensile property applications or to enhance weldability! The standard siesand dimensions of deformed bars and their number designations shall be those in Table #! The text of this

specification references notes and footnotes that proide explanatory material! These notes and footnotes, excludingthose in tables and figures, shall not be considered as re+uirements of this specification!

#!- Grade'.ars are of a single minimum yield strength leel namely, 60 000 psi 1-0 M2a3, designated as 4rade60 1-03!

#!5 2lain rounds, in sies up to and including - in! (0! mm3 in diameter in coils or cut lengths, when ordered, shall

be furnished under this specification! or ductility properties 8elongation and bending", test proisions of the nearestsmaller nominal diameter deformed bar sie shall apply!#!1 Controlled Tensile Properties'This specification limits mechanical properties 8Table -" to proide the desired

yield/tensile properties for controlled tensile property applications!#!( Welding'This specification limits chemical composition 86!-" and carbon e+uialent 86!1" to enhance the

weldability of the material! 9hen steel is to be welded, a welding procedure suitable for the chemical compositionand intended use or serice should be used! The use of the latest edition of A$:/A9:

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5!#!- deformed bar# , n'steel bar with protrusions; a bar that is intended for use as reinforcement in reinforced

concrete and related construction!

5!#!5Discussion'The surface of the bar is proided with lugs or protrusions that inhibit longitudinal moement ofthe bar relatie to the concrete surrounding the bar in such construction! The lugs or protrusions conform to the

proisions of this specification!5!#!1plain bar# , n'steel bar without protrusions!

5!#!( rib# , n' longitudinal protrusions on a deformed bar!4. Ordering Information

1!# t shall be the responsibility of the purchaser to specify all re+uirements that are necessary for material orderedto this specification! :uch re+uirements shall include, but are not limited to, the following

1!#!# Fuantity 8weight" mass3,1!#!- $ame of material 8low*alloy steel deformed and plain bars for concrete reinforcement",

1!#!5 :ie,1!#!1 >ut lengths or coils,

1!#!( hoice and use of alloying elements, combined with carbon, phosphorus, and sulfur to gie the mechanical

proper*ties prescribed in Table - and Table 5, shall be made by the manufacturer! &lements commonly used includemanganese, silicon, copper, nic=el, chromium, molybdenum, anadium, columbium, titanium, and irconium!

6!1 The heat analysis shall be such as to proide a carbon e+uialent 8>!&!" not exceeding 0!(( H as calculated bythe following formula>!&! 5 H> 1

HMn

6 1

H>u

10 1

H$i

-0 1H>r

#0 2HMo

(0 2HD

#08#"&A#L' 1 Defor!ed #ar Designation ()!*ers+ (o!inal ,eigts .Masses+ (o!inal Di!ensions+ and Defor!ation%e)ire!entsBar Designation o( A o+ina* Weight, *b2t 3o+ina* Mass, kg2+4o+ina* Di+ensions B Deor+ation 5e6/ire+ents, in( 3++4Dia+eter,in( 3++4Cross$Sectiona* Areain(" 3++ " 4Peri+eter,in( 3++4Mai+/+ AverageSpacingMini+/+ AverageHeight

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Mai+/+ 7ap8Chor' o 1"(% - oo+ina* Peri+eter9. 3104:0(.;< 3 0(%

1!, 1# 3!., %;4 10A Tensi*e strength sha** not be *ess than 1("% ti+es the act/a* yie*' strength(

&A#L' 2 #end &est %e)ire!entsBar Designation o( Pin Dia+eter or 1#0? Ben' Tests., !, % 310, 1., 1

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!- The aerage height of deformations shall be determined from measurements made on not less than two typical

deformations!

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#-!5!- f the results of an original tension specimen fail to meet the specified minimum re+uirements and are within

-000 psi #1 M2a3 of the re+uired tensile strength, within #000 psi 7 M2a3 of the re+uired yield point, or within

two percentage units of the re+uired elongation, a retest shall be permitted on two random specimens for eachoriginal tension specimen failure from the lot! .oth retest specimens shall meet the re+uirements of this

specification!#-!5!5 f a bend test fails for reasons other than mechanical reasons or flaws in the specimen as described in #-!5!#

and #-!5!-, a retest shall be permitted on two random specimens from the same lot! .oth retest specimens shall meetthe re+uirements of this specification! The retest shall be per*formed on test specimens that are at air temperature but

not less than 60I #6I>3!#-!5!1 f a weight mass3 test fails for reasons other than flaws in the specimen as described in #-!5!-, a retest shall

be permitted on two random specimens from the same lot! .oth retest specimens shall meet the re+uirements of thisspecifica*tion!

13. Test Reports

#5!# ?eport the following information on a per heat basis! Additional items may be reported as re+uested or desired!

#5!#!# >hemical analysis including carbon, manganese, phosphorous, sulfur, silicon, copper, nic=el, chromium,molyb*denum, and anadium!

#5!#!- >arbon e+uialent in accordance with 6!1!#5!#!5 Tensile properties!

#5!#!1 .end test!

14. Inspection#1!# The inspector representing the purchaser shall hae

free entry, at all times while wor= on the contract of the

purchaser is being performed, to all parts of the manufacturerKswor=s that concern the manufacture of the material ordered!

The manufacturer shall afford the inspector all reasonablefacilities to satisfy the inspector that the material is being

furnished in accordance with this specification! All tests8except product 8chec=" analysis" and inspection shall be made

at the place of manufacture prior to shipment, unless otherwisespecified, and shall be so conducted so as not to interfere

unnecessarily with the operation of the wor=s!#1!-

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the bar was produced to meet both :pecifications A 6#(/

A 6#(M and A 706/A 706M!

#6!5!1Minimum +ield Designation'The mar=ing shall beeither the number 60 13 or a single continuous longitudinal

line through at least fie spaces offset from the center of the barside!

#6!5!( t shall be permissible to substitute a metric sie barof 4rade 1-0 for the corresponding inch*pound sie bar of

4rade 60!1#. (acaging

#7!# 9hen specified in the purchase order, pac=aging shall

A 706/A 706M1

be in accordance with 2ractices A 700!

#7!-,or Government Procurement )nly'9hen specified

in the contract or order, and for direct procurement by or directshipment to the nited :tates, material shall be presered,

pac=aged, and pac=ed in accordance with the re+uirements of

M@*:T