ASTM A109/A109M-24

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: A109/A109M − 24
Standard Specification for
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Steel, Strip, Carbon (0.25 Maximum Percent), Cold-Rolled
This standard is issued under the fixed designation A109/A109M; 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.
This standard has been approved for use by agencies of the U.S. Department of Defense.
1. Scope* each system may not be exact equivalents; therefore, each
system shall be used independently of the other. Combining
1.1 This specification covers cold-rolled carbon steel strip in
values from the two systems may result in non-conformance
cut lengths or coils, furnished to closer tolerances than cold-
with the standard.
rolled carbon steel sheet, with specific temper, with specific
edge or specific finish, and in sizes as follows: 1.7 This specification is expressed in both inch-pound units
and SI units. However, unless the order specifies the applicable
Width, in. Thickness, in.
“M” specification designation (SI units), the material shall be
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Over ⁄2 to 23 ⁄16 0.300 and under
furnished to inch-pound units.
Over 12.5 to 600 mm 7.6 mm and under
1.8 This international standard was developed in accor-
1.2 Cold-rolled strip is produced with a maximum specified
dance with internationally recognized principles on standard-
carbon not exceeding 0.25 percent.
ization established in the Decision on Principles for the
1.3 Strip tolerance products may be available in widths
Development of International Standards, Guides and Recom-
15
wider than 23 ⁄16 in. [600 mm] by agreement between
mendations issued by the World Trade Organization Technical
purchaser and supplier. However, such products are technically
Barriers to Trade (TBT) Committee.
classified as cold rolled sheet. The tolerances, finishes,
tempers, edges, and available widths and thicknesses differen- 2. Referenced Documents
tiate cold rolled strip from the product known as cold rolled 2
2.1 ASTM Standards:
sheet which is defined by Specification A568/A568M and from
A370 Test Methods and Definitions for Mechanical Testing
cold rolled high carbon strip which is defined by Specification
of Steel Products
A682/A682M.
A568/A568M Specification for Steel, Sheet, Carbon,
1.4 For the purpose of determining conformance with this Structural, and High-Strength, Low-Alloy, Hot-Rolled and
specification, values shall be rounded to the nearest unit in the
Cold-Rolled, General Requirements for
right hand place of figures used in expressing the limiting A682/A682M Specification for Steel, Strip, High-Carbon,
values in accordance with the rounding method of Practice
Cold-Rolled, General Requirements For (Withdrawn
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E29. 2009)
A700 Guide for Packaging, Marking, and Loading Methods
1.5 The SI portions of the tables contained herein list
for Steel Products for Shipment
permissible variations in dimensions and mass (see Note 1) in
A751 Test Methods and Practices for Chemical Analysis of
SI (metric) units. The values listed are not exact conversions of
Steel Products
the values listed in the inch-pound tables, but instead are
A941 Terminology Relating to Steel, Stainless Steel, Related
rounded or rationalized values. Conformance to SI tolerances
Alloys, and Ferroalloys
is mandatory when the “M” specification is used.
A1073/A1073M Practice for Using Hand Micrometers to
NOTE 1—The term weight is used when inch-pound units are the
Measure the Thickness of Uncoated Steel Sheet and
standard. However, under SI the preferred term is mass.
Nonmetallic and Metallic-Coated Steel Sheet
1.6 The values stated in either SI units or inch-pound units
E18 Test Methods for Rockwell Hardness of Metallic Ma-
are to be regarded separately as standard. The values stated in
terials
1 2
This specification is under the jurisdiction of ASTM Committee A01 on Steel, For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
A01.19 on Steel Sheet and Strip. Standards volume information, refer to the standard’s Document Summary page on
Current edition approved March 1, 2024. Published March 2024. Originally the ASTM website.
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approved in 1926. Last previous edition approved in 2018 as A109/A109M – 16 The last approved version of this historical standard is referenced on
(2018). DOI: 10.1520/A0109_A0109M-24. www.astm.org.
*A Summary of Changes section appears at the end of this st
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