Standard Specification for Structural Steel Shapes

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1.1 This specification covers rolled steel structural shapes for use in building framing or bridges, or 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 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.
1.5 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.

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ASTM A992/A992M-03 - Standard Specification for Structural Steel Shapes
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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Designation: A 992/A 992M – 03
Standard Specification for
1
Structural Steel Shapes
This standard is issued under the fixed designation A 992/A 992M; 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.
1. Scope* 3. General Requirements For Delivery
1.1 This specification covers rolled steel structural shapes 3.1 Material furnished under this specification shall con-
for use in building framing or bridges, or for general structural form to the requirements of the current edition of Specification
purposes. A 6/A 6M for the ordered material, unless a conflict exists, in
1.2 Supplementary requirements are provided for use where which case this specification shall prevail.
additional testing or additional restrictions are required by the
4. Materials and Manufacture
purchaser. Such requirements apply only when specified in the
purchase order. 4.1 The steel shall be killed, and such shall be affirmed in
the test report by a statement of killed steel, a value of 0.10 %
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 or more for the silicon content, or a value of 0.015 % or more
for the total aluminum content.
be utilized. See Appendix X3 of Specification A 6/A 6M for
information on weldability. 4.2 The steelmaking practice used shall be one that includes
the addition of one or more nitrogen-binding elements, or one
1.4 The values stated in either inch-pound units or SI units
are to be regarded separately as standard. Within the text, the that produces steel having a nitrogen content not greater than
0.012 % (with or without the addition of nitrogen-binding
SI units are shown in brackets. The values stated in each
system are not exact equivalents; therefore, each system is to elements).
be used independently of the other without combining values in
5. Chemical Composition
any way.
5.1 The heat analysis shall conform to the requirements in
1.5 The text of this specification contains notes or footnotes,
Table 1.
or both, that provide explanatory material; such notes and
5.2 In addition to the elements listed in Table 1, test reports
footnotes, excluding those in tables and figures, do not contain
shall include, for information, the chemical analysis for tin.
any mandatory requirements.
Where the amount of tin is less than 0.02 %, it shall be
2. Referenced Documents
permissible for the analysis to be reported as “< 0.02 %.”
2
5.3 The steel shall conform on product analysis to the
2.1 ASTM Standards:
A 6/A 6M Specification for General Requirements for requirements prescribed in Table 1, subject to the product
analysis tolerances in Specification A 6/A 6M.
Rolled Structural Steel Bars, Plates, Shapes, and Sheet
Piling 5.4 The maximum permissible carbon equivalent value shall
be 0.47 % for shapes with flange thickness over 2 in. [50 mm],
A 370 Test Methods and Definitions for Mechanical Testing
of Steel Products and 0.45 % in other shapes. The carbon equivalent value shall
be based on heat analysis. The required chemical analysis as
A 673/A 673M Specification for Sampling Procedure for
Impact Testing of Structural Steel well as the carbon equivalent shall be reported. The carbon
equivalent shall be calculated using the following formula:
E 112 Test Methods for Determining Average Grain Size
CE 5 C1~Mn!/6 1~Cr 1 Mo 1 V!/51~Ni1 Cu!/15 (1)
6. Tensile Requirements
1
This specification is under the jurisdiction of ASTM Committee A01 on Steel,
6.1 The material as represented by the test specimens shall
Stainless Steel, and Related Alloys and is the direct responsibility of Subcommittee
A01.02 on Structural Steel for Bridges, Buildings, Rolling Stock, and Ships. conform to the requirements for tensile properties prescribed in
Current edition approved May 10, 2003. Published July 2003. Originally
Table 2.
approved in 1998. Last previous edition approved in 2002 as A 992/A 992M – 02.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
7. Keywords
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Standards volume information, refer to the standard’s Document Summary page on 7.1 bridges; building framing; shapes; structural steel;
the ASTM website.
welded construction
*A Summary of Changes section appears at the end of this standard.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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A 992/A 992M – 03
TABLE 1 Chemical Requirements (Heat Analysis)
Element Composition, %
Carbon, max 0.23
A
Manganese, 0
...

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