Standard Specification for Steel, Sheet, Cold-Rolled, Carbon, Structural, High-Strength Low-Alloy and High-Strength Low-Alloy with Improved Formability

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1.1 This specification covers cold rolled structural, high-strength low-alloy, and high-strength low-alloy with improved formability steel sheet, in coils and cut lengths.
1.2 Cold rolled steel sheet is available in the designations as listed in 4.1.
1.3 This specification does not apply to steel strip as described in Specification A109.
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 must be used independently of the other.

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09-Jan-2001
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ASTM A1008/A1008M-01e1 - Standard Specification for Steel, Sheet, Cold-Rolled, Carbon, Structural, High-Strength Low-Alloy and High-Strength Low-Alloy with Improved Formability
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NOTICE: This standard has either been superseded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
e1
Designation: A 1008/A 1008M – 01
Standard Specification for
Steel, Sheet, Cold-Rolled, Carbon, Structural, High-Strength
Low-Alloy and High-Strength Low-Alloy with Improved
1
Formability
This standard is issued under the fixed designation A 1008/A 1008M; 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
e NOTE—An editorial change was made to this standard in August 2001.
1. Scope 3. Terminology
1.1 This specification covers cold rolled structural, high- 3.1 Definitions:
strength low-alloy, and high-strength low-alloy with improved 3.1.1 For definitions of other terms used in this specifica-
formability steel sheet, in coils and cut lengths. tion, refer to Terminology A 941.
1.2 Cold rolled steel sheet is available in the designations as 3.1.2 stabilization—The addition of one or more nitride or
listed in 4.1. carbide forming elements, or both, such as titanium and
1.3 This specification does not apply to steel strip as columbium, to control the level of the interstitial elements of
described in Specification A 109. carbon and nitrogen in the steel.
1.4 The values stated in either inch-pound units or SI units 3.1.2.1 Discussion—Stabilizing improves formability and
are to be regarded separately as standard. Within the text, the increases resistance to aging.
SI units are shown in brackets. The values stated in each 3.1.3 vacuum degassing—a process of refining liquid steel
system are not exact equivalents; therefore, each system must in which the liquid is exposed to a vacuum as part of a special
be used independently of the other. technique for removing impurities or for decarburizing the
steel.
2. Referenced Documents
3.2 Definitions of Terms Specific to This Standard:
2.1 ASTM Standards:
3.2.1 aging—loss of ductility with an increase in hardness,
2
A 109 Specification for Steel, Strip, Carbon, Cold Rolled yield strength, and tensile strength that occurs when steel,
A 366/A 366M Specification for Steel, Sheet, Carbon,
which has been slightly cold worked (such as by temper
3
Cold-Rolled, Commercial Quality rolling) and is stored for some time.
A 370 Test Methods and Definitions for Mechanical Testing
3.2.1.1 Discussion—Aging increases the tendency of a steel
2
of Steel Products to exhibit stretcher strains and fluting.
A 568/A 568M Specification for Steel, Sheet, Carbon, and
4. Classification
High-Strength, Low-Alloy, Hot Rolled and Cold Rolled,
2
General Requirements for 4.1 Cold Rolled steel sheet is available in the following
A 620/A 620M Specification for Steel, Sheet, Carbon, designations:
3
Drawing Quality, Special Killed, Cold-Rolled 4.1.1 Commercial Steel (CS Types A, B, and C),
A 941 Terminology Relating to Steel, Stainless, Related 4.1.2 Drawing Steel (DS Types A and B),
4
Alloys, and Ferroalloys
NOTE 1—CS Type B and DS Type B describe the most common
5
E 517 Test Method for Plastic Strain Ratio
product previously included, respectively, in Specifications A 366/
E 646 Test Method for Tensile Strain-Hardening Expo-
A 366M and A 620/A 620M.
5
nents
4.1.3 Deep Drawing Steel (DDS),
4.1.4 Extra Deep Drawing Steel (EDDS),
1
4.1.5 Structural Steel (SS grades 25[170], 30[205], 33[230]
This specification is under the jurisdiction of ASTM Committee A01 on Steel,
Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee Types 1 and 2, 40[275] Types 1 and 2, and 80[550]),
A01.19 on Steel Sheet and Strip.
4.1.6 High-Strength Low-Alloy Steel (HSLAS, in classes 1
Current edition approved Jan. 10, 2001. Published March 2001. Originally
and 2, in grades 45[310], 50[340]. 55[380], 60[410], 65[450],
published as A 1008/A 1008M - 00. Last previous edition A 1008/A 1008M - 00.
2
and 70[480] in Classes 1 and 2), and
Annual Book of ASTM Standards, Vol 01.03.
3
Discontinued; see 2000 Annual Book of ASTM Standards, Vol 01.03. Replaced
4.1.7 High-Strength Low-Alloy Steel with Improved Form-
by A 1008/A 1008M.
ability (HSLAS-F grades 50[340], 60[410], 70[480], and
4
Annual Book of ASTM Standards, Vol 01.01.
5 80[550]).
Annual Book of ASTM Standards, Vol 03.01.
Copyright © ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959, United States.
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A 1008/A 1008M
NOTE 2—Not all producers are capable of meeting all the limitations of
4.1.7.1 HSLAS-F steel has improved formability when
the thickness tolerance tables in Specification A 568/A 568M. The pur-
compared to HSLAS. The steel is fully deoxidized, made to
chaser should contact the producer regarding possible limitations prior to
fine grain practice and includes microalloying elements such as
...

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