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m

Designation:

A

36 A

6M

Standard Specification for

Carbon Structural Steel

1.

Scope

1 This speclficauonz covers carbon steel shapes, plates,

and bars of structural quahty for use

m

riveted, bolted, or

welded construmon of hndges and hmldmgs. and

for

general

structural purposes

1 2

Supplementary requuements are prov~dedor use where

addu~onal estlng or addlbonal restricuons are requ~red y the

purchaser. Such requmments apply only when specified m the

- -

~

purchasc order

1 3 When the steel

s

to be welded, a welding procedure

smtable for the grade of steel and intended use or service is to

he uuhzed See Appenhx X3 of Speclficauon A 61A6M for

informauon on weldabd~ty.

1 4 For Group 4 and 5 wtde flange shapes for use tn tension,

~t 1s mommended that the purchase1 cons~der pec~fymg

supplementary requuements, such as fine austentuc

gram

size

and L arpy V-Notch Impact testlng

1 5 The values slated m ellher in~h-pound ruls or SI unlls

are to be regarded separately as standard. With~nhe text, the

SI unlts are shown In brackets The values stated ~n each

system are not exact equtvalents, therefore, each system

1s

to

be uscd mdcpcndcntly of thc other, w~thout ombmmg values

m

any way

1.6 The text of th~specificauon contams notes or footnotes,

or both, that prov~de xplanatory matenal Such notes and

foomotes, excludmg those in tables and figures, do not contam

any mandatory requuements

1 7 For plates cut from coded ptoduct, the addnional

requuements, mcludmg addmonal tesung requuements and the

reponmg of addmonal test rea~lts, f A 61A M apply.

2. Referenced Documents

2 1

STM Sfandnrds

A 61A 6M Sp e~~f ica uonor General Reqummenls Tor

Rolled Structural Steel Bars, Plates, Shapes, and Sheet

P1hng3

This

specificahon is under the junsdtcuon of ASTM

Comm~tfac A l

on

Steel.

Smnlcss Steel md Rclaled Alloys,

and is

l dlre-3 mponslbdlty of Subcanmd~ee

A01

02

on S m t l n n l teel for Bodgcs,Bulldmy Rolllng

Stock

nd Ships

C m n t edttlon approved

Manch

10 ZOO

Publmkd

May

2030 Ormnally

pubhshed as

A

36

60T

Last prev~ovs d m n A 361A 36M-

97

For ASME Bollcr and h u r e

Vessel

CodeAppltcauons,

see

related Spanfi-

cauons

SA-36

m

Secuon

il of that Code

mwl Book ofAS7M Sfmdmds

Vol 01

M

A 27lA 27M Spcc~ficauon or Stcel Casungs, Caibon, for

General Apphcauon4

A3 07 Specificahon for Carbon Steel Bolts and Smds,

60 000 psl Tens~le trength5

A 325 Specificat~onfor Structural Bolts, Steel, Heat

Treated, 1201105 k s ~ mmum Tens~le uength5

A 325M Specn'icahon for mgh-Suength Bolts for Suuc-

tural

Steel Joints MetricI5

A 500 Speclficatlon for Cold-Formed Welded

and

SeamIess

Carbon Steel Suuclural Tubing

m

Rounds and Shapa6

A 501 Speclficauon for Hot-Formed Welded and Seamless

Carbon Steel Structural Tubmg6

A 502 Specificanon for Steel Structural &vets5

A 563 Speclficahon for Carbon and Alloy Steel Nuts5

A563M Specificabon for Carbon and AUoy Steel Nuts

IMemc15

A 570lA 570M Speclticauon for Steel, Sheet and Smp,

Carbon, Hot-Rolled, StructuralQuakty7

A 668 Spec~hcahon or Steel Porgmgs, Carbon and Alloy,

for General Indusmal Use8

F 568M Speclficabon for Carbon and Alloy Steel Externally

Threaded Memc Fasteners5

3. Appurtenant Materials

3 When components of a steel structure are ~denufied ith

thls ASTM deSlpdU0n but the product form is not hsted in the

scope of this speclticauon, the matenal shall conform to one of

the standards k t e d In Table 1unless otherwtse speclfied by the

purchaser

4. General Reqnirements for Delivery

4 1 Matenal furn~shedunder tlus spec~ficauon hall con-

form to the requuements of the nurent edmon of Speclficauon

A 61A 6M, for the ordered material, unless a confl~ctxlsts

m

wh ch case tbls speaficauon shall previul

4 1 Co~l ed roduct 1s excluded from quahfzat~on o ilus

~peclficahon nhl levelled and cut to length Plates produced

from cod means plates that have been cut to mdmdual lengths

from a culled product and urn~shedw~thou~eat treatment

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TABLE

1

Appurtenant Material Spclt icat lons

beanng plates in stiu~tures ther than bndges, subject to the

~ - T ~ C

specfier should

be sausfied of

the

S U I ~ ~ I I I ~ ~

f

these

requmment that they shall conwn

2

to

33

carbon by

materials

for

the intended apphcatton compos~uon

mechanical

heat analysis, that the chem~cal omposluon shall conform to

properms may be d~fferent

han

spec~fiedm

A

36/A 36M

the requirements of Table 2 ln phospholus and sulfur content,

and that a snffictent discard shall be made to secure sound

Matenal ASTM Deslgnahon

plates

Steel wets

A

502, Grade 1

Bolts

A 307, Grade A

or F

568M Clas 4 6

6. Process

Hgh-strength bolts

A 325

or A

325M

steel

nuts A

563

or

A

5 6 3 ~

6 1

The steel shall be made by one or more of the followmp

...

-

Cast steel

A

Z ~ / AM,

Grade

65-35 [450-2401

processes. open-hearth, basic-oiygen, r electric furnace

Fommus

carbon steel) A 668,

lass D

Hd-rolled sheets and shp

A

5701A -OM,

Grade

36

6

2 No rimmed or capped steel shall be used for plates and

cold-formed tubmg

A

500. ~ m d e

bars over ~ n .125mrnl thick or for shapcs other than Group

Hot-formed Nbrng A 501

1.

nchor

bolb

F 1554

7 Chemical

Requirements

The processor decoils, levels, cuts to length and marks the

7

1

Thc heat analysts shall conform to the reqmrcmcnts

product. The processor 1s responsible for perfomng and

prescnbed in Table 2, except

s

specified m 5.2

cerufylng all tests, exammauons,

repam

mspecuons or opera-

7 2 The steel shall conform on product analysls to the

tions not intendcd to affect thc propmes of the matcnal.

or

requirements prescnbed tn Table

2,

subject to the product

plates produced from colls, two test results shall be reported for

analysis mlerances in Specificanon

A 6/A 6M.

each qualtfymg coil. See Note

1.

8

TensileRequirements

N om 1-Addruonal

requrements

regmdmg plate

from

coil are de-

scnbed in specrficat~on 6 /A 6 M

8

1

The m a t e d asrepresented by the test spec~men, xcept

as specified

m

5.2 and 8 2, shall conform to the requirements as

5 Bearing

Plates

to the

tensile

psoperues p r e s c n i

m

Table

3.

5.1 Unless otherw~se pec~fied, lates used as bearing plates

8 2 Shapes less than

1

in '[645 mm '1 m cross secuon and

for bridges sball be subjected to mechan~cal ests and shall

bars,

other than flats, less than

~ n .

12 5

mm]

In thtckness

1

conform to the tenale reqmrements of Section 8 hameter need not he subjected to tension tests by the manu-

2 Unless othenvtse spec~fied,mechanical tests shall not be

facturer, provlded that the chemcal composmon used is

rcquircd for plates over 1 ~n [40 mml in thtckncss uscd s

appropriate for obtanmg the tensile properties

m

Table 3

TABLE 2 Chemlcal Requtrements

No15 1

Where appear,m thlr lable

hem

1s

no

nyuuemenl he hcat analysts formangdnesc

shall

be

dctrwned and

reported

as dcvnbed

ID he

heat

analyclc sectton of Spenficanon A 6 t A

6M

Product

Thlclmess,

m

[mml

Carbon

max.

Manganese,

Phosphorus, max,

Sulfur,

max,

Slllcon.

Copper, mm.

O / when

cop

per steel s penfied

*Manganese ontent

of

0 85-7 35 and slllcon contentof 0 1 5 4 0 is

required

for shapes

aver

426 IbR [6 4kglm]

eFor each

reductson

of

0 01 below

Wa

specdred

carbon

rnaxkmum, an

Encrease

of

0 06 manganese

above

the

specified

maxmum unll

be

permitted up to the

maxrmum of 1 35

ShapesA

AL

0 26

0 04

0 05

040max

0 20

Platese

To Y4

Over

% Over 1 Over 2

to 17k t o 2 to 4 Over 4

[01 [20 to 401, 140to 651, [65

10

1001, [ l w ]

mc1 , GI mc1

lncl

02 5 02 5 0 26 0 27 0 29

080-1 20 080-1 20 085 -1 20 085 -1 20

0.04

0M

0 04

O M

0

04

00 5 00 5 0 05 00 5 0 05

O40max O40max 015 44 0 01 50 40 015 04 0

02 0 02 0 0 20 0 20 0 20

Bars

Ya Ove r

Over 1

te 1

lo

4 O M r 4

[201' [20 to 401. [loo],

ncl PO01

lncl lncl

02 6 02 7 0 28 0 29

060-090 060-090 060-090

O M

O M

O M

O M

005 005 0 05 00 5

040rnax O40max 040rnax O40max

020 020 0

20

0

2

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TABLE 3 Tenslle Requ~rements~

Plates.Shapes." and Ham

Tensle svenqth ks [MPal

Yied porn[. rnn. elWDal

Plates and BarsDE

Elonoatmn

rn

8

in

12

mml. mm.

2

Elanoat~onn 2

in

15 mml mm. 23

shape;

Elongat~on

n8

n I2 mm], mm,

2

Elangat~on

n

2

n

[5 mml mln,

21

A See

Specmen Onentatlon

under the Tensmn Tesb seaon of Speclficatlon

A 61A

M

For

wide

flange

shapes

over

426 blft [634 kg/m], th 8 ks [55 MPe]

maximum tensile

sbenath

does n d ao k

and

mnmmum elon~atbonn n 15

. . .

.

mm]ot 19 , apples

Yield pomt

32

k a

[22 MPal for plates over

8

in [ZOOmm] m thaclmess

Elongat~on ot required to be determud for floor plate

EFor plates

w~der

han24

m

[SO mml

th

elongat~on

equlrernent

s

reduced

9.

Keywords

9 1 bars bolted construction bndges bu~ldings carbon

plates nveted constrnctlon shapes; steel smictural steel

welded construcnon

SUPPLEMENTARY REQUIREMENTS

These requuements shall not apply unless

specified

in the order

Standabzed supplementary requuements for use at the option of the pmchaser are hsted in

Specification

A lA

6M Those that are considered suitable foruse w~thh~ specification are hsted by

ntle

S5. Charpy V Notch Impact Test

ADDITIONAL SUPPLEMENTARY REQUIREMENTS

n addmon the following opnond supplementary requirements are also smrable for use wlth this

spectficaon

S91. Fine Austenitic Grain Size

S97. Limitation on Rimmed or Capped Steel

S91 1 The steel shall be killed and have a fine austenitlc

~ 9 7l-he steel shall be thm

rimmed

or c pped

gram uze

tedlnim

commmtte

vh h

you may an If you feel that

yourwmmenn

have not recetveda

far

heanngyo; shouldmik your

wews known to Me ASTM Comm ttee on Standards at theadd- shown elow

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