GOST 8509-93 Steel hot-rolled equal angle.GaugeAll AdsI Indices
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Delivery.ssc.or.uaGOST 8509-93MULTI-STANDADANGL!S ST!!L "OT
!qualANG!INT!STAT! #OUN#IL $O STANDADI%ATION& M!TOLOG' AND
#!TI$I#ATION$insk %oreword& Developed by the 'krainian
Scienti"ic(Research Institute "or $etalsI)TR*D'#+D by ,osstandart
o" 'kraine- Adopted by the Interstate #ouncil "or Standardi.ation,
$etroloy and #erti"ication /$inutes 0 1ot &2/3-/4156oted "or
the adoption o"7State titleThe name o" the national standards body
The Republic o" ArmeniaArmosstandart State titleThe name o" the
national standards body The Republic o" 8elarus8elstandart The
Republic o" !a.akhstan,osstandart o" the Republic o" !a.akhstan
Republic o" $oldova$oldovastandart The Russian
%ederation,osstandart o" Russia TurkmenistanTurkmenlavosinspektsiya
The Republic o" '.bekistan'.osstandart 'kraine,osstandart o"
'kraine 1 Resolution o" the Russian %ederation #ommittee "or
Standardi.ation, $etroloy and #erti"ication o" -3.3-.49 0 :;
interstate standard ,*ST :;34(41 was put into e""ect immediately as
a state standard o" the Russian %ederation, ot(rolled steel
e?ual(le anles. Dimensions GOST 8509-93 Date o( )ntrodu*t)on o(
0+,0+,+99-& This standard applies to steel hot(rolled e?ual
anles.- Dimensions o" corners, cross(sectional area re"erence
values "or the a@es and the mass o" & m over the need to comply
with those in %iure & and Table &, the e@port ( recommended
Anne@es A and 8.%iure &Table & )umbero"corners b t R rF ,cm
-Re"erences to the values "or the a@es $asso" &m, k x - x x 3 -
x 3from 3 - y 3I XY ,cm =x 3 , see mm Ix ,cm =WX ,cm 1I x , cmI x
3max , cm=i x 3max,cm I y 3min,cm =W y3 ,cm1I y 3min,cm
--311.;&.-&.&13.=33.-:3.;43.913.2;3.&23.-3
3.143.-13.933.:4 =1.;&.-&.=93.;33.123.;:3.2:3.213.--3.-=
3.1:3.-:3.9=&.&;
-.;-;11.;&.-&.=13.:&3.=93.2;&.-43.4;3.1=3.11
3.=43.=23.21&.&-
=1.;&.-&.:9&.313.;43.2=&.9-3.413.==3.=&
3.=:3.;43.29&.=9
-.:-:1=.3&.1&.9-&.&93.;:3.:;&.:=&.323.=:3.=
3.;;3.9:3.:3&.-2 )umbero"corners b t R rF ,cm -Re"erences to
the values "or the a@es $asso" &m, k x - x x 3 - x 3from 3 - y
3I XY ,cm =x 3 , see mm Ix ,cm =WX ,cm 1I x , cmI x 3max , cm=i x
3max,cm I y 3min,cm =W y3 ,cm1I y 3min,cm -
1131=.3&.1&.2=&.=;3.923.4&-.13&.&;3.933.;1
3.;43.:;3.:;&.19
==.3&.1-.-2&.:=3.:23.43-.4-&.&13.223.9&
3.;:&.3:3.:4&.2:
1.-1-1=.;&.;&.:9&.223.223.42-.:3&.-13.2=3.;4
3.91&.313.:4&.=9
==.;&.;-.=1-.-9&.333.491.;:&.-&3.4=3.2&
3.9-&.1-3.4=&.4&
1.;1;1=.;&.;-.3=-.1;3.41&.321.2-&.1;3.423.2&
3.94&.123.42&.93
==.;&.;-.921.3&&.-&&.39=.29&.11&.-;3.::
3.9:&.2;&.3&-.&3
;=.;&.;1.-:1.9&&.=2&.3;;.2&&.1-&.;-&.3-
3.9:-.&3&.3;-.;:
==31;.3&.2-.1;1.;;&.--&.-1;.91&.;;&.=23.4;
3.24-.3:&.34&.:;
=;.3&.21.3:=.;:&.93&.--2.-9&.;1&.43&.&
3.2:-.9:&.&1-.=- )umbero"corners b t R rF ,cm -Re"erences
to the values "or the a@es $asso" &m, k x - x x 3 - x 3from 3 -
y 3I XY ,cm =x 3 , see mm Ix ,cm =WX ,cm 1I x , cmI x 3max , cm=i x
3max,cm I y 3min,cm =W y3 ,cm1I y 3min,cm 4
;;.3&.21.24;.;1&.4;&.-&:.2;&.;--.13&.14
3.2:1.--&.&2-.4:
=.;=;1;.3&.2-.9;;.&1&.;9&.14:.&1&.2;-.&-&.-=
3.:41.33&.-&-.3: =;.3&.21.=:9.91-.3=&.1:&3.;-
&.2=-.2=&.;= 3.:41.:4&.-9-.21
;;.3&.2=.-4:.31-.;&&.12&-.2=
&.2-1.11&.:& 3.::=.2&&.131.12
;;31;.;&.:-.492.&&&.4=&.;;&&.-2
&.4;-.4;&.;2 &.33=.&9&.11-.1-
=;.;&.:1.:44.-&-.;=&.;=&=.91 &.4=1.:3&.4;
3.44;.=-&.1:1.3; ;;.;&.:=.:3&&.-3
1.&1&.;1&2.22 &.4-=.91-.13 3.4:9.;2&.=-1.22
9;.;&.:;.94&1.32 1.94&.;--3.2- &.4&;.=1-.91
3.4:2.9;&.=9=.=2 ;.9;9=9.3-.3=.1:&1.& 1.- &.21-3.2
-.&:;.=&-.; &.&&2.94&.;-1.==
)umbero"corners b t R rF ,cm -Re"erences to the values "or the a@es
$asso" &m, k x - x x 3 - x 3from 3 - y 3I XY ,cm =x 3 , see mm
Ix ,cm =WX ,cm 1I x , cmI x 3max , cm=i x 3max,cm I y 3min,cm =W y3
,cm1I y 3min,cm 3&4- ;9.3-.3;.=&&;.42 1.49
&.2--;.19 -.&99.;4-.42 &.&34.=&&.;2=.-;
9.191=2.3-.1=.49&:.:9 =.34 &.4;-4.43 -.=;2.:&1.-9
&.-;&&.33 &.941.43 ;2.3-.19.&1-1.&3 ;.3;
&.4=19.:3 -.==4.;-1.:2 &.-;&1.23 &.2==.:&
92.3-.12.-:-2.39 ;.4: &.41=-.4& -.=1&&.&: =.==
&.-=&;.43 &.2:;.2- 223=.; :.3-.29.-3-4.3= ;.92
-.&9=9.31 -.2-&-.3= =.;1 &.14&2.33 &.::=.:2
;:.3-.29.:91&.4= 9.-2 -.&9;3.92 -.2-&1.-- =.4-
&.14&:.23 &.43;.1: 9:.3-.2:.&;12.;: 2.=1
-.&;;4.9= -.2&&;.;- ;.99 &.1:--.&3 &.4=9.14
2:.3-.24.=-=-.4: :.;2 -.&=9:.&4 -.94&2.22 9.1&
&.12-;.-3 &.442.14 ::.3-.2&3.9 =:.& 4.9
-.&-29.1 -.9:&4.42 9.4 &.12-:.- -.3-:.12
)umbero"corners b t R rF ,cm -Re"erences to the values "or the a@es
$asso" &m, k x - x x 3 - x 3from 3 - y 3I XY ,cm =x 3 , see mm
Ix ,cm =WX ,cm 1I x , cmI x 3max , cm=i x 3max,cm I y 3min,cm =W y3
,cm1I y 3min,cm 29:;43 2.;2;;4.31.32.1414.;1 2.-& -.1&9-.9;
2.4&&9.=& ;.2= &.=4-1.&3 -.3-;.:3
94.31.3:.2:=9.;2 :.;2 -.1321.:2 -.43&4.-: 9.9- &.=:-2.13
-.399.:4 24.31.3&3.&; ;1.1= 4.:4 -.-4:=.9& -.:4--.32
2.=1 &.=21&.-3 -.&32.49 :4.31.3&&.;3 ;4.:=
&&.&: -.-:4=.:4 -.:2-=.:3 :.&9 &.=21;.33
-.&;4.3- 44.31.3&-.:1 99.&3 &-.=1 -.-2&3=.2-
-.:9-2.=: :.4& &.=91:.93 -.&:&3.32 ::3;.;
4.31.3:.91;-.9: 4.31 -.=2:1.;9 1.&&-&.:3 2.&3
&.;413.43 -.&29.2: 94.31.34.1:;9.42 4.:3 -.=243.=3
1.&&-1.;= 2.93 &.;:11.=3 -.&4 2.19 24.31.3&3.:;
9;.1& &&.1- -.=;&31.93 1.34-9.42 :.;; &.;:1:.13
-.-1:.;& :4.31.3&-.1 21.1 &-. -.==&&9.
1.3:13.1- 4.= &.;2=1.3 -.-24.9; )umbero"corners b t R rF ,cm
-Re"erences to the values "or the a@es $asso" &m, k x - x x 3 -
x 3from 3 - y 3I XY ,cm =x 3 , see mm Ix ,cm =WX ,cm 1I x , cmI x
3max , cm=i x 3max,cm I y 3min,cm =W y3 ,cm1I y 3min,cm 39:314=3
4439&3.31.1&3.9& :-.&3 &-.=4 -.2:&13.33
1.;311.42 4.:: &.24=:.&3 -.=1:.11 2&3.31.1&-.-:
4=.13 &=.=; -.22&=4.92 1.=41:.4= &&.&;
&.2:;;.=3 -.=24.9= :&3.31.1&1.41 &39.&&
&9.19 -.29&9:.=- 1.=:=1.:3 &-.1= &.229-.13
-.;&&3.41 4&3.31.1&;.93 &&:.33 &:.-4
-.2;&:9.33 1.=9=:.93 &1.=: &.229:.33 -.;;&-.-3
&3&339.; &-.3=.3&-.:- &--.&3 &9.94
1.34&41.=9 1.:4;3.21 &1.1: &.442&.=3 -.9:&3.39
2&-.3=.3&1.2; &13.;4 &2.43 1.3:-32.3&
1.::;=.&9 &=.&1 &.4:29.=3 -.2&&3.24
:&-.3=.3&;.93 &=2.&4 -3.13 1.32-11.=9 1.:293.4-
&;.99 &.4::9.13 -.2;&-.-; &3 &-.3=.3&4.-=
&2:.4; -=.42 1.3;-:1.:1 1.:=2=.3: &:.;&
&.49&&3.33 -.:1&;.&3 & &-.3=.3--.: -3:.
-4.=2 1.31113. 1.:&:9.:= -&. &.4;&--.
-.4&&2.43 )umbero"corners b t R rF ,cm -Re"erences to the
values "or the a@es $asso" &m, k x - x x 3 - x 3from 3 - y 3I
XY ,cm =x 3 , see mm Ix ,cm =WX ,cm 1I x , cmI x 3max , cm=i x
3max,cm I y 3min,cm =W y3 ,cm1I y 3min,cm -3434;&333 &=
&-.3=.3-9.-: -12.&; 11.:1 1.3312=.4: 1.2:44.1- -1.=4
&.4=&1:.33 -.44-3.91 &9 &-.3=.3-4.9: -91.:- 1:.3=
-.4:=&9.3= 1.2=&&&.9& -;.24 &.4=&;-.33
1.39-1.13 &&&&32&-.3=.3&;.&;
&2;.9& -&.:1 1.=3-2:.;= =.-42-.9: &2.19
-.&4&39.33 -.49&&.:4 :&-.3=.3&2.-3
&4:.&2 -=.22 1.141&=.;& =.-::&.:1 &4.-4
-.&:&&9.33 1.33&1.;3
&-.;&-;:&=.3=.9&4.94 -4=.19 1-.-3 1.:2=99.29
=.:2&-&.4: -;.92 -.=4&2-.33 1.19&;.=9
4&=.3=.9--.33 1-2.=: 19.33 1.:9;-3.33 =.:9&1;.:: -:.-9
-.=:&4-.33 1.=3&2.13 &3 &=.3=.9-=.11 1;4.:- 14.2=
1.:;;2&.3= =.:=&=:.;4 13.=; -.=2-&&.33
1.=;&4.&3 &- &=.3=.9-:.:4 =--.-1 =2.39 1.:-923.3-
=.:-&2=.=1 1=.4= -.=9-=:.33 1.;1--.9: & &=.3=.911.1
=:&. ;=.&2 1.:3291. =.2:&44.9 14. -.=;-:-.
1.9&-9.-3 )umbero"corners b t R rF ,cm -Re"erences to the
values "or the a@es $asso" &m, k x - x x 3 - x 3from 3 - y 3I
XY ,cm =x 3 , see mm Ix ,cm =WX ,cm 1I x , cmI x 3max , cm=i x
3max,cm I y 3min,cm =W y3 ,cm1I y 3min,cm =22943-&333 &9
&=.3=.912.22 ;1:.;9 9&.34 1.2::;-.:= =.2;--=.-4 =1.&3
-.==1&;.33 1.9:-4.9; &=&=34&=.3=.9-=.2- =9;.2-
=;.;; =.1=214.=- ;.=2&4-.31 1;.4- -.24-2=.33 1.29&4.=&
&3 &=.3=.9-2.11 ;&-.-4 ;3.1- =.11:&1.9-
;.=9-&3.49 14.3; -.2:13&.33 1.:--&.=; &-
&=.3=.91-.=4 93-.=4 ;4.99 =.1&4;9.4: ;.=1-=:.3& ==.42
-.291;=.33 1.43-;.;3 &9&93&3 &9.3;.11&.=1
22=.-= 99.&4 =.49&--4.&3 9.-;1&4.11 ;-.;-
1.&4=;;.33 =.13-=.92 && &9.3;.11=.=- :==.-&
2-.== =.4;&1=3.39 9.-=1=2.22 ;9.;1 1.&:=49.33 =.1;-2.3-
&- &9.3;.112.14 4&-.:4 2:.9- =.4=&=;3.33 9.-112;.2:
93.;1 1.&2;12.33 =.14-4.1; &= &9.3;.1=1.;2 &3=9.=2
43.22 =.4-&99-.&1 9.-3=13.:& 9:.&;
1.&99&;.33 =.=21=.-3 & &9.3;.1=4.3 &&2;
&3-.9 =.:4&:9; 9.&2=:=.9 2;. 1.&=943. =.;;1:.;-
)umbero"corners b t R rF ,cm -Re"erences to the values "or the a@es
$asso" &m, k x - x x 3 - x 3from 3 - y 3I XY ,cm =x 3 , see mm
Ix ,cm =WX ,cm 1I x , cmI x 3max , cm=i x 3max,cm I y 3min,cm =W y3
,cm1I y 3min,cm 92.&4=.21=4-33 &: &9.3;.1;=.24
&-43.-= &&=.-= =.:2-39&.31 9.&1;12.=9 :-.3:
1.&122&.33 =.91=1.3& -3 &9.3;.193.=3
&=&:.:; &-;.93 =.:;--=:.-9 9.&3;:4.=1 43.3-
1.&-:13.33 =.23=2.=& &:&:3&&
&9.3;.11:.:3 &-&9.== 4-.=2 ;.93&411.&3
2.39=44.2: 2-.:9 1.;42&9.33 =.:;13.=2 &-&9.3 ;.1
=-.&4&1&9.9-&33.=&;.;4 -34-.2:2.3=
;=3.=;2:.&;1.;: 229.33=.:4 11.&--3-33&-
&:.39.3=2.&3 &:--.2: &-=.9& 9.---:49.&9
2.:=2=4.=3 4:.9: 1.44&321.33 ;.1219.42 &1 &:.39.3;3.:;
&493.22 &1=.== 9.-&1&&9.&: 2.:1:3;.1;
&3;.32 1.4:&&;9.33 ;.=-14.4- &= &:.39.3;=.93
-342.33 &==.&2 9.-31111.33 2.:&:9&.33
&&&.;3 1.42&-19.33 ;.=9=-.:3 &9
&:.39.39&.4: -19-.;2 &91.12 9.&212;;.14 2.2:494.2=
&-1.22 1.49&141.33 ;.;==:.9; - &:.39.329.; -:2&
-33.1 9.&-=:93 2.2-&&:&. &=9 1.41&9:4
;.2393.3: )umbero"corners b t R rF ,cm -Re"erences to the values
"or the a@es $asso" &m, k x - x x 3 - x 3from 3 - y 3I XY ,cm
=x 3 , see mm Ix ,cm =WX ,cm 1I x , cmI x 3max , cm=i x 3max,cm I y
3min,cm =W y3 ,cm1I y 3min,cm 3=.=22.=-4-.9-.33 -; &:.39.34=.-4
1=99.-& -=;.;4 9.39;=4=.3= 2.91&=1:.1: &2-.9:
1.4&-3-:.33 ;.:42=.3- 13 &:.39.3&&&.;=
=3&4.93 -::.;2 9.3391;&.3; 2.;;&94:.&9 &41.39
1.:4-11-.33 9.32:2.;9 ----3&= -&.32.393.1: -:&=.19
&2;.&: 9.:1==23.&; :.93&&;:.;9 &1:.9-
=.1:&9;;.33 ;.4&=2.=3 &9 -&.32.39:.;: 1&2;.==
&4:.2& 9.:3;3=;.12 :.;:&13;.;- &;1.1=
=.19&:94.33 9.3-;1.:1 -;-;3&9 -=.3:.32:.=3 =2&2.&3
-;:.=1 2.292=4-.&3 4.2:&4=-.34 -31.=; =.4:-22;.33
9.2;9&.;; &: -=.3:.3:2.2- ;-=2.-= -::.:- 2.21:119.94
4.2;-&;2.2: --1.14 =.4913:4.33 9.:19:.:9 -3 -=.3:.349.49
;29=.:2 1&:.29 2.2&4&;4.21 4.2--123.3& -=-.;-
=.4=114;.33 9.4&29.&& -- -=.3:.3&39.&- 9-23.1-
1=:.-9 2.94449&.13 4.94-;24.3= -93.;- =.41194&.33
2.33:1.1& - -=.3:.3&&4. 2339 14&.2
2.9;&&&- 4.9=-::2. -:2 =.4&=&&4
2.&&41.42 )umbero"corners b t R rF ,cm -Re"erences to the
values "or the a@es $asso" &m, k x - x x 3 - x 3from 3 - y 3I
XY ,cm =x 3 , see mm Ix ,cm =WX ,cm 1I x , cmI x 3max , cm=i x
3max,cm I y 3min,cm =W y3 ,cm1I y 3min,cm
;2&.14-;.;--9.&=.33 -: -=.3:.3&11.&- 22&9.:9
=1=.-; 2.9&&--=1.:= 4.;41&:4.:4 1&&.4:
=.43=;-2.33 2.-1&3=.;3 13 -=.3:.3&=&.49 :&29.:-
=9-.&& 2.;4&-49=.99 4.;911::.4: 1-2.:- =.:4=2::.33
2.1&&&&.== 1; -=.3:.3&91.2& 4-:&.3;
;13.&& 2.;1&=9:-.21 4.=21:24.12 199.&1
=.:2;=3&.9: 2.;1&-:.;& )otes7 A cross(sectional area
and the re"erence values calculated "rom the nominal si.e. The
density o" steel ( 2.:;/ cm 1 .Two radii o" curvature shown in
%iure & and Table & are iven "or the construction o" the
caliber and pro"ile are not controlled.Aeend "or %iure & and
Table &7b - width o" the shelvesBt ( thickness o" the shelvesBR
- radius o" curvature o" the innerBr - radius o" shelvesBF-
cross(sectional areaBI ( moment o" inertiaBx 3 - the distance "rom
the center o" ravity to the outer "ace "laneBI XY ( the centri"ual
moment o" inertiaBi - radius o" yration.1 The accuracy o" rollin
corners are made7A ( hih accuracyB8 ( the usual precision.=
Tolerances "or si.es over must not e@ceed speci"ied in Table
-.Table - )umber o" corners Tolerances in mm the width o"the
shelves the thickness o" the shel" to 9 inclusive. "rom 9.; to
4inclusive. $ore than 4 AInAInAIn %rom - to =.;C &,33.-3.1((((
(3.1 (3.=D;D 4C &,;3.-3.13.-3.13.13.= (3.= (3.; (3.; (3.9 (3.;
(3.9D&3D &; C -,3((3.13.=3.13.= (3.; (3.9 (3.9 (3.2)umber
o" corners Tolerances in mm the width o"the shelves the thickness
o" the shel" to 9 inclusive. "rom 9.; to 4inclusive. $ore than 4
AInAInAIn D&9D -3 C 1,3((((3.=3.; (3.2 (3.:D--D -; C
=,3((((3.=3.; (3.: (3.4; Accordin to areement between manu"acturer
and consumer o" parts can be manu"actured with an o""set tolerances
on the thickness o" the shel" within the respective tolerances o"
accuracy.9 In areement with the consumer shel" thickness tolerance
is allowed to replace the mass tolerances in accordance with Table
1.Table 1 )umber o" corners Tolerances by weiht,E & class#lass
II %rom - to 2.; inclusive. 1 1 (; (;$ore than 2.;C -,; 2 Deviation
"rom a riht anle at the verte@ must not e@ceed 1; F.8y areement
between the manu"acturer and consumer o" the deviation "rom the
riht anle at the verte@ must not e@ceed7&.3 mm ( "or over the
width o" the shel" up to ;3 mm inclusiveB-.3 mm ( "or over the
width o" the shelves o" more than ;3 to &33 mm inclusiveB1.3 mm
( "or over the width o" the shelves o" more than &33 to -33
mm.Dullness o" eiht e@ternal corners /includin the anle at the
verte@5 is not monitored.At the re?uest o" the consumer bluntin o"
the e@terior anles /includin the anle at the verte@5 must not
[email protected] thickness o" the shel" ( "or over a thickness o" &3
mm, inclusiveB1.3 mm ( "or over a thickness o" more than &3 to
&9 mm inclusiveB;.3 mm ( "or over a thickness e@ceedin &9
mm.4 #orners are made up o" = to &- m7aue lenthB%i@ed lenth o"
Random in an amount not more than ;E o" the mass o" the
partyB$ultiple aue lenth,$ultiple aue lenth with a random lenth o"
not more than ;E o" the mass o" the partyBRandom lenthBlimited
lenth within random lenth.4.& 8y areement between the
manu"acturer and the consumer and the corners are made o" multiple
dimensional aue lenth with a random lenth o" more than ;E o" the
mass party.4.- is allowed to produce over a lenth o" not less than
1 m and &- m&3 Tolerances on lenth over the measured lenth
or a multiple dimensional must not e@ceed7G 13 mm ( with lenth o" =
m, inclusiveBG ;3 mm ( with a lenth o" over = to 9 m, inclusiveBG
23 mm ( with a lenth o" over 9 metersAt the re?uest o" the consumer
"or over a lenth o" over = to 2 m lenth tolerances shall not e@ceed
G =3 mm, more than 2 m ( G ; mm "or each additional
meter.&& The curvature o" the corners should not e@ceed
3.=E o" the lenth. At the re?uest o" the customer made parts o" the
curvature o" less than 3.-E o" the lenth. %or places to number - to
=.; inclusive, the curvature o" the test "or the lenth o" &
m&- Dimensions o" the cross(section corners, blunt anles
measured at a distance o" not less than ;33 mm "rom the end o" the
bar.APPENDIX A(Recommended).O$IL!S/ "ot-rolled 0teel.AT +. !qual
#ON!S. DIM!NSIONS 1ISO 25--+-893+ S*o4eThis part o" IS* 9;2
includes dimensions o" hot(rolled e?ual anles.- This standard
contains provisions o" this part o" IS* 9;2. 8y the time o"
publication o" this edition is valid.All standards are reviewed, so
you must use the standards o" the most recent edition.The member
countries o" I+# and IS* shall be provided by e@istin international
standards.IS* 9;2(;(29. >ot(rolled steel sections, Hart ;. +?ual
and une?ual anles, tolerances in metric and inch series.3
D)5en0)on01.& Hre"erred si.es in bold.1.- Radii o" curvature
are iven "or internal in"ormation and are iven in Table A.&.1.1
The radius o" the shelves is not de"ined, but i" necessary can be
calculated..ro()le 6 .ro4ert)e0Ieiht, cross sectional area and
re"erence values o" e?ual anles are iven "or in"ormation in Table
A.& and calculated assumin that the radius o" curvature o" the
shelves is hal" the value o" internal radius o" curvature.5
Toleran*e0Tolerances on dimensions are iven in Table 8.& Anne@
8.Table A.& Si.e Ieihtk / m S ,cm -6alues The distance"rom the
centero" ravity Re"erences to the values "or the a@es x-xy-y!!""
And ,mmt ,mmRroot ,mm# x # y ,cm# ! ,cm# $ ,cmI x I y ,cm =R x R y
,cm 1 % x % y ,cmI ! ,cm = R ! ,cmI $ ,cm =R $ ,cm% $ ,cm 1-3 J-3J
1 3.::&.&- -311.;3.;4: &.=& 3.:=9 3.14- 3.;43
3.-243.9&: 3.2=-3.&9; 3.1:1 3.&4;-; J-;J 1
&.&-&.=- -;11.;3.2-1 &.22 &.3-3.:31 3.2;&
3.=;-&.-23.4=;3.11= 3.=:= 3.1-9-; J-;J = &.=;&.:;
-;=1.;3.29- &.22 &.3:&.3-3.2=&
3.;:9&.9&3.41&3.=13 3.=:- 3.14413 J13J 1
&.19&.2= 131;3.:1; -.&- &.&:&.=33.:44
3.9=4-.--&.&13.;:; 3.;:& 3.=4913 J13J = &.2:-.-2
13=;3.:2: -.&- &.-=&.:33.:4- 3.:;3-.:;&.&-3.2;=
3.;22 3.9321; J1;J = -.34-.92 1;=;&.33-.=2
&.=--.4;&.3;&.&:=.9:&.1-&.-13.92: 3.:9;1;
J1;J ; -.;21.-: 1;;;&.3=-.=2
&.=:1.;9&.3=&.=;;.9=&.1&&.=43.92;
&.3& =3 J=3J 1 &.:=-.1; =319&.32-.:1
&.;-1.=;&.-&&.&:;.=;&.;-&.==3.2:1
3.4=4=3 J=3J = -.=-1.3: =3=9&.&--.:1
&.;:=.=2&.-&&.;;2.34&.;-&.:93.222
&.&2 Si.e Ieihtk / m S ,cm -6alues The distance"rom the
centero" ravity Re"erences to the values "or the a@es x-xy-y!!""
And ,mmt ,mmRroot ,mm# x # y ,cm# ! ,cm# $ ,cmI x I y ,cm =R x R y
,cm 1 % x % y ,cmI ! ,cm = R ! ,cmI $ ,cm =R $ ,cm% $ ,cm 1=3 J=3J
; -.421.24 =3;9&.&9-.:1
&.9=;.=1&.-3&.4&:.93&.;&-.-93.221 &.1:
=; J=;J = -.2=1.=4 =;=2&.-11.&:
&.2;9.=1&.19&.42&3.-&.2&-.9:3.:29 &.;1
=; J=;J ; 1.1:=.13 =;;2&.-:1.&:
&.:&2.:=&.1;-.=1&-.=&.231.-93.:2& &.:3
;3 J;3J = 1.391.:4 ;3=2&.191.;=
&.4-:.42&.;--.=9&=.-&.4&1.213.424 &.4= ;3
J;3J ; 1.22=.:3 ;3;2&.=31.;=
&.44&&.3&.;&1.3;&2.=&.43=.;;3.421 -.-4
;3 J; 3J 9 =.=2;.94 ;392&.=;1.;=
-.3=&-.:&.;31.9&-3.1&.:4;.1=3.49: -.9& 93 J93J
; =.;2;.:- 93;:&.9==.-=
-.1-&4.=&.:-=.=;13.2-.13:.31&.&21.=9 93 J93J 9
;.=-9.4& 939:&.94=.-=
-.14--.:&.:-;.-419.&-.-44.==&.&21.49 93 J93J :
2.344.31 93::&.22=.-=
-.;3-4.-&.:39.:4=9.&-.-9&-.-&.&9=.:9 9; J9 ;J 9
;.4&2.;1 9;94&.:3=.93
-.;;-4.-&.429.-&=9.1-.=:&-.&&.-2=.2= 9; J9;J :
2.214.:; 9;:4&.:4=.93
-.9212.;&.4;:.&1;4.=-.=9&;.9&.-9;.:= Si.e Ieihtk /
m S ,cm -6alues The distance"rom the centero" ravity Re"erences to
the values "or the a@es x-xy-y!!"" And ,mmt ,mmRroot ,mm# x # y
,cm# ! ,cm# $ ,cmI x I y ,cm =R x R y ,cm 1 % x % y ,cmI ! ,cm = R
! ,cmI $ ,cm =R $ ,cm% $ ,cm 123 J23J 9 9.1::.&1
2394&.41=.4; -.2119.4-.&12.-2;:.;-.9:&;.1&.12;.93
23 J23J 2 2.1:4.=3 2324&.42=.4;
-.24=-.1-.&-:.=&92.&-.92&2.;&.199.-: 2; J$ay2J
9 9.:;:.21 2;94-.3;;.13
-.43=;.:-.-4:.=&2-.2-.:4&:.4&.=29.;1 2; J2;J :
:.44&&.= 2;:4-.&=;.13
1.3-;4.&-.-2&&.341.:-.:9-=.;&.=9:.34 :3 J:3J 9
2.1=4.1; :39&3-.&2;.99
1.32;;.:-.==4.;2::.;1.3:-1.&&.;22.;; :3 J:3J : 4.91&-.1
:3:&3-.-9;.99
1.&42-.--.=1&29&&;1.39-4.4&.;94.12 :3 J:3J
&3 &&.4&;.& :3&3&3-.1=;.99
1.13:2.;-.=&&;.=&141.3119.=&.;;&&.3 43 J43J
2 4.9&&-.- 432&&-.=;9.19
1.=24-.;-.2;&=.&&=21.=91:.1&.22&&.3 43 J43J
: &3.4&1.4 43:&&-.;39.19
1.;1&3=-.2=&9.&&991.=;=1.&&.29&-.- 43
J43J 4 &-.-&;.; 434&&-.;=9.19
1.;4&&9-.21&2.4&:=1.===2.4&.29&1.1 43 J43J
&3 &;.3&2.& 43&3&&-.;:9.19
1.9;&-2-.2-&4.:-3&1.=-;-.9&.2;&=.= &33
J&&-.-&;.; &33 :&--.2=2.32
1.:2&=;1.39&4.4-131.:;;4.4&.49&;.; Si.e Ieihtk / m
S ,cm -6alues The distance"rom the centero" ravity Re"erences to
the values "or the a@es x-xy-y!!"" And ,mmt ,mmRroot ,mm# x # y
,cm# ! ,cm# $ ,cmI x I y ,cm =R x R y ,cm 1 % x % y ,cmI ! ,cm = R
! ,cmI $ ,cm =R $ ,cm% $ ,cm 133J : &33 J&33J &3
&;.3&4.- &33 &3&--.:-2.32
1.44&221.3=-=.9-:31.:121.3&.4;&:.1 &33 J&33J
&- &2.:--.2 &33 &-&--.432.32
=.&&-321.3--4.&1-:1.:3:;.2&.4=-3.4 &-3
J&-3J : &=.2&:.2 &-3 :&11.-1:.=4
=.;9-;;1.94-4.&=3;=.9;&3;-.12-1.& &-3 J&-3J
& 3&:.--1.- &-3 &3&11.1&:.=4
=.941&11.9219.3=42=.91&-4-.19-2.; &-3 J&-3J &-
-&.9-2.; &-3 &-&11.=3:.=4
=.:319:1.9;=-.2;:==.93&;--.1;1&.9 &-; J&-;J :
&;.1&4.; &-; :&11.1;:.:=
=.2=-431.:;1&.2=9&=.:;&-3-.=2-;.1 &-; J&-;J
&3 &4.3-=.- &-; &3&11.==:.:=
=.:91;91.:=14.1;9;=.:1&=9-.=913.& &-; J&-;J &-
--.9-:.2 &-; &-&11.;-:.:=
=.4:=&:1.:&=9.999==.:&&2--.=;1=.9 &;3 J&;3J
&3 -1.3-4.1 &;3 &3&9=.31&3.9
;.2&9-==.9-;9.4443;.:--;:-.42=;.& Si.e Ieihtk / m S ,cm
-6alues The distance"rom the centero" ravity Re"erences to the
values "or the a@es x-xy-y!!"" And ,mmt ,mmRroot ,mm# x # y ,cm# !
,cm# $ ,cmI x I y ,cm =R x R y ,cm 1 % x % y ,cmI ! ,cm = R ! ,cmI
$ ,cm =R $ ,cm% $ ,cm 1&;3 J&;3J &- -2.11=.: &;3
&-&9=.&-&3.9
;.:1212=.9392.2&&23;.:3131-.4;;-.3 &;3 J&;3J &;
11.:=1.3 &;3 &;&9=.-;&3.9
9.3&:4:=.;2:1.;&=13;.29123-.419&.9 &:3 J&:3J
&; =3.4;-.& &:3 &;&:=.4:&-.2
2.3;&;43;.;-&---;-39.499;11.;=4-.2 &:3 J&:3J &:
=:.99&.4 &:3 &:&:;.&3&2.2
2.--&:23;.=4&=;-4939.4-29:1.;-&39 -33 J-33J &9
=:.;9&.: -33 &9&:;.;-&=.&
2.:&-1=39.&9&9-12-32.294931.4=&-1 -33 J-33J -3
;4.429.1 -33 -3&:;.9:&=.&
:.3=-:;39.&&&44=;132.23&&231.4-&=9 -33
J-33J -= 2&.&43.9 -33 -=&:;.:=&=.&
:.-911139.39-1;;-:32.9=&1:31.43&92 -;3 J-;3J -:
&3=&11-;3 -:&:2.-=&2.2
&3.-22332.9-=11&--34.9&1&23=.:4134 -;3 J-;3J 1;
&-:&91-;3 1;&:2.;3&2.2
&3.94-932.;=;-4&=234.=:1:93=.:219= )otes An IS* member
countries may include national standards re?uired by the si.e o"
their parts.%rom the above table assortment at e?ual anles to the
national standard may be included are the dimensions o" parts,
which are provided in the rollin mills. Two cross(sectional area
calculated by the "ormula ,where S - cross(sectional area, cm - Bt
( thickness, mmBR root - inner radius o" curvature, mmBR to a -
radius o" shelves, mmBA - width o" the shel", mm.1 Ihen calculatin
the mass density o" & m were taken 2.:; k / dm 1 .APPENDIX
&(Recommended).O$IL!S/ "ot-rolled 0teel.AT 5. !qual and unequal
#ON!S IN M!TI# AND IN#" 0er)e0. TOL!AN#!S1ISO 25--5--23+ .ur4o0e
and 0*o4e o( the 0tandardThis International Standard reulates the
si.e tolerances o" hot(rolled steel e?ual and une?ual parts in
metric and inch series. Dimensions in metric parts o" the series
must comply with IS* 9;2(& and IS* 9;2(-, in inches ( IS* 9;2(1
and IS* 9;2(=.7 Toleran*e0 on 8)dth 0hel9e0Tolerances on width
shelves shall be as iven in Table 8.&.Table 8.& Tolerances
on width$etric series, mmInch Series, in. The width o" the shel"
& Tolerances The width o" the shel" & Tolerances *ver %rom
and toinclusive. *ver %rom and toinclusive. (;3C &,3(-C 3,3=
;3&33C &,;-=C 3,39 &33&;3C -,3=9C 3,3: &;3-33C
1,39:C 3,&- & %or une?ual parts is taken as the base width
is reater shel".3 Toleran*e0 (or th)*:ne00 o( the 0hel(Tolerances
on thickness e?ual and une?ual parts shall be as iven in Table
8.-.Table 8.- Thickness tolerances$etric series, mmInch Series, in.
The width o" the shel" &TolerancesThe width o" the shel"
&Tolerances *ver%rom and toinclusive. *ver%rom and toinclusive.
( ;3C 3,;( -C 3,3- ;3&33C 3,:-=C 3,31 &33&;3C
&,3=9C 3,3= &;3-33C &,-9:C 3,3; & %or une?ual parts
is taken as the base width is reater shel".)ote ( %or over a lenth
o" over 2; mm "lane tolerances to account "or the mass o" C -,;E
per unit lenth and can be replaced by the tolerances on thickness.
The mass per unit lenth over is iven in Appendi@ A.6 Toleran*e0 (or
*utt)ng to lengthTolerances on lenth "or cuttin to the e@act lenth
o" the normal and e?ual and une?ual parts shall be as iven in
Tables 81 and 8=, respectively.Table 8.1 tolerances "or normal
lenths$etric seriesInch Series AenthTolerancesAenthTolerances All
lenths areC &33 mmAll lenths areC = in. Table 8.= tolerances
"or accurate wavelenth$etric seriesInch Series Aenth, m Tolerances
inmm Aenth, "oot Tolerances, in. *ver %rom and toinclusive. *ver
%rom and toinclusive. (&-2;(=31 3 3$etric seriesInch Series
Aenth, m Tolerances inmm Aenth, "oot Tolerances, in. *ver %rom and
toinclusive. *ver %rom and toinclusive. &-(&33=3( = 35
#ur9ature;.& $a@imum curvature "or e?ual and une?ual parts must
meet the same in Table 8;.Table 8; $etric series, mmInch Series,
in. The width o" the shel" & #urvature The width o" the shel"
urvature *ver %rom and toinclusive. *ver %rom and toinclusive.
;3&;33.=E o" the lenth-93.=E o" the lenth &;3-333.-;E o"
the lenth9:3.-;E o" the lenth & %or une?ual parts is taken as
the base width is reater shel".;.- The curvature should be measured
as shown in %iure 8.&.S); non-4er4end)*ular)t<
15)0al)gn5ent& de9)at)on (ro5 the r)ght angle39.& The
shelves should be perpendicular to each other within the limits o"
all deviations in Table 8.9.Table 8.9 Deviation "rom riht
anle$etric series, mmInch Series, in. The width o" the shel" &
Deviation The width o" the shel" & Deviation *ver %rom and
toinclusive. *ver %rom and toinclusive. ( ;3&.3( -3.3=
;3&33-.3-=3.3: &33-331.3=:3.&- & %or une?ual parts
is taken as the base width is reater shel".%iure 8.&9.-
Deviation "rom the riht anle is measured at the ends o" the shelves
corners /%iure 8.-5.%iure 8.-- Toleran*e0 =< 8e)ght+@istin
tolerances in mass per unit lenth are control tolerances and "irst
to be included in the relevant national standards.
