Carbon Structural Steel1

Designation: A 36/A 36M – 00a

Standard Specification for

Carbon Structural Steel1

This standard is issued under the fixed designation A 36/A 36M; the number immediately following the designation indicates the year

of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval.

A superscript epsilon (e) indicates an editorial change since the last revision or reapproval.

This standard has been approved for use by agencies of the Department of Defense.

1. Scope

1.1 This specification2 covers carbon steel shapes, plates,

and bars of structural quality for use in riveted, bolted, or

welded construction of bridges and buildings, and for general

structural purposes.

1.2 Supplementary requirements are provided for use where

additional testing or additional restrictions are required by the

purchaser. Such requirements apply only when specified in the

purchase order.

1.3 When the steel is to be welded, a welding procedure

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

be utilized. See Appendix X3 of Specification A 6/A 6M for

information on weldability.

1.4 For Group 4 and 5 wide flange shapes for use in tension,

it is recommended that the purchaser consider specifying

supplementary requirements, such as fine austenitic grain size

and Charpy V-notch impact testing.

1.5 The values stated in either inch-pound units or SI units

are to be regarded separately as standard. Within the text, the

SI units are shown in brackets. The values stated in each

system are not exact equivalents; therefore, each system is to

be used independently of the other, without combining values

in any way.

1.6 The text of this specification contains notes or footnotes,

or both, that provide explanatory material. Such notes and

footnotes, excluding those in tables and figures, do not contain

any mandatory requirements.

1.7 For plates cut from coiled product, the additional

requirements, including additional testing requirements and the

reporting of additional test results, of A 6/A 6M apply.

2. Referenced Documents

2.1 ASTM Standards:

A 6/A 6M Specification for General Requirements for

Rolled Structural Steel Bars, Plates, Shapes, and Sheet

Piling3

A 27/A 27M Specification for Steel Castings, Carbon, for

General Application4

A 307 Specification for Carbon Steel Bolts and Studs,

60 000 psi Tensile Strength5

A 325 Specification for High-Strength Bolts for Structural

Steel Joints5

A 325M Specification for High-Strength Bolts for Structural

Steel Joints [Metric]5

A 500 Specification for Cold-Formed Welded and Seamless

Carbon Steel Structural Tubing in Rounds and Shapes6

A 501 Specification for Hot-Formed Welded and Seamless

Carbon Steel Structural Tubing6

A 502 Specification for Steel Structural Rivets5

A 563 Specification for Carbon and Alloy Steel Nuts5

A 563M Specification for Carbon and Alloy Steel Nuts

[Metric]5

A 570/A 570M Specification for Steel, Sheet and Strip,

Carbon, Hot-Rolled, Structural Quality7

A 668/A 668M Specification for Steel Forgings, Carbon

and Alloy, for General Industrial Use8

F 568M Specification for Carbon and Alloy Steel Externally

Threaded Metric Fasteners5

3. Appurtenant Materials

3.1 When components of a steel structure are identified with

this ASTM designation but the product form is not listed in the

scope of this specification, the material shall conform to one of

the standards listed in Table 1 unless otherwise specified by the

purchaser.

4. General Requirements for Delivery

4.1 Material furnished under this specification shall conform

to the requirements of the current edition of Specification

A 6/A 6M, for the ordered material, unless a conflict exists in

which case this specification shall prevail.

4.1.1 Coiled product is excluded from qualification to this

specification until decoiled, levelled, and cut to length. Plates

produced from coil means plates that have been cut to

1 This specification is under the jurisdiction of ASTM Committee A01 on Steel, individual lengths from a coiled product and are furnished

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