ASTM A992/A992M-22

This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation:A992/A992M −22
Standard Specification for
1
Structural Steel Shapes
This standard is issued under the fixed designationA992/A992M; 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 (´) indicates an editorial change since the last revision or reapproval.
1. Scope* A6/A6M Specification for General Requirements for Rolled
Structural Steel Bars, Plates, Shapes, and Sheet Piling
1.1 This specification covers rolled steel structural shapes
A898/A898M Specification for Straight Beam Ultrasonic
for use in building framing or bridges, or for general structural
Examination of Rolled Steel Structural Shapes
purposes.
1.2 Supplementary requirements are provided for use where
3. General Requirements For Delivery
additional testing or additional restrictions are required by the
3.1 Material furnished under this specification shall con-
purchaser. Such requirements apply only when specified in the
form to the requirements of the current edition of Specification
purchase order.
A6/A6M for the ordered material, unless a conflict exists, in
1.3 When the steel is to be welded, a welding procedure
which case this specification shall prevail.
suitable for the grade of steel and intended use or service is to
be utilized. See Appendix X3 of Specification A6/A6M for 4. Materials and Manufacture
information on weldability.
4.1 The steel shall be killed, and such shall be confirmed by
1.4 The values stated in either inch-pound units or SI units a statement of killed steel on the test report, or by a report on
are to be regarded separately as standard. Within the text, the the presence of a sufficient quantity of a strong deoxidizing
SI units are shown in brackets. The values stated in each element, such as silicon at 0.10 % or higher, or aluminum at
system are not necessarily exact equivalents; therefore, to 0.015 % or higher.
ensure conformance with the standard, each system shall be
4.2 The steelmaking practice used shall be one that pro-
used independently of the other, and values from the two
duces steel having a nitrogen content not greater than 0.015 %
systems shall not be combined.
and includes the addition of one or more nitrogen-binding
1.5 Thetextofthisspecificationcontainsnotesorfootnotes, elements, or one that produces steel having a nitrogen content
or both, that provide explanatory material; such notes and
not greater than 0.012 % (with or without the addition of
footnotes, excluding those in tables and figures, do not contain nitrogen-binding elements). The nitrogen content need not be
any mandatory requirements.
reported, regardless of which steelmaking practice was used.
1.6 This international standard was developed in accor-
5. Chemical Composition
dance with internationally recognized principles on standard-
5.1 The heat analysis shall conform to the requirements in
ization established in the Decision on Principles for the
Development of International Standards, Guides and Recom- Table 1.
mendations issued by the World Trade Organization Technical
5.2 In addition to the elements listed in Table 1, test reports
Barriers to Trade (TBT) Committee.
shall include, for information, the chemical analysis for tin.
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
2.1 ASTM Standards:
5.3 The steel shall conform on product analysis to the
requirements prescribed in Table 1, subject to the product
analysis tolerances in Specification A6/A6M.
1
This specification is under the jurisdiction of ASTM Committee A01 on Steel,
Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee 5.4 Themaximumpermissiblecarbonequivalentvalueshall
A01.02 on Structural Steel for Bridges, Buildings, Rolling Stock and Ships.
be 0.47 % for shapes with flange thickness over 2 in. [50 mm],
Current edition approved Sept. 1, 2022. Published September 2022. Originally
and 0.45 % in other shapes. The carbon equivalent value shall
approved in 1998. Last previous edition approved in 2020 as A992/A992M – 20.
be based on heat analysis. The required chemical analysis as
DOI: 10.1520/A0992_A0992M-22.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or well as the carbon equivalent shall be reported. The carbon
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
equivalent shall be calculated using the following formula:
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. C
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