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

SCOPE
1.1 This specification covers hot-rolled structural, high strength-low alloy, and high-strength low-alloy with improved formability steel sheet and strip, in coils and cut lengths.
1.2 Hot rolled steel sheet and strip is available in the designations as listed in 4.1.
1.3 This specification is not applicable to the steel covered by Specification A635/A635M.
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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ASTM A1011/A1011M-03 - Standard Specification for Steel, Sheet and Strip, Hot-Rolled, Carbon, Structural, High-Strength Low-Alloy and High-Strength Low-Alloy with Improved Formability
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REDLINE ASTM A1011/A1011M-03 - Standard Specification for Steel, Sheet and Strip, Hot-Rolled, Carbon, Structural, High-Strength Low-Alloy and High-Strength Low-Alloy with Improved Formability
English language
7 pages
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NOTICE: This standard has either been superceded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
Designation: A 1011/A 1011M – 03
Standard Specification for
Steel, Sheet and Strip, Hot-Rolled, Carbon, Structural, High-
Strength Low-Alloy and High-Strength Low-Alloy with
1
Improved Formability
This standard is issued under the fixed designation A 1011/A 1011M; 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 * High-Strength, Low-Alloy, Hot-Rolled, General Require-
2
ments for
1.1 This specification covers hot-rolled structural, high-
A 941 Terminology Relating to Steel, Stainless Steel, Re-
strength low-alloy, and high-strength low-alloy with improved
4
lated Alloys, and Ferroalloys
formability steel sheet and strip, in coils and cut lengths.
1.2 Hot rolled steel sheet and strip is available in the
3. Terminology
designations as listed in 4.1.
3.1 Definitions—For definitions of other terms used in this
1.3 This specification is not applicable to the steel covered
specification refer to Terminology A 941.
by Specification A 635/A 635M.
3.2 Definitions of Terms Specific to This Standard:
1.4 The values stated in either inch-pound units or SI units
3.2.1 aging—loss of ductility with an increase in hardness,
are to be regarded separately as standard. Within the text, the
yield strength, and tensile strength that occurs when steel,
SI units are shown in brackets. The values stated in each
which has been slightly cold worked (such as by temper
system are not exact equivalents; therefore, each system must
rolling) is stored for some time.
be used independently of the other.
3.2.1.1 Discussion—Aging also increases the tendency to-
2. Referenced Documents ward stretcher strains and fluting.
3.2.2 stabilization—the addition of one or more nitride or
2.1 ASTM Standards:
carbide forming elements, or both, such as titanium and
A 370 Test Methods and Definitions for Mechanical Testing
2
columbium, to control the level of the interstitial elements
of Steel Products
carbon and nitrogen in the steel.
A 568/A 568M Specification for Steel, Sheet, Carbon, and
3.2.2.1 Discussion—Stabilization improves formability and
High-Strength, Low-Alloy, Hot-Rolled and Cold-Rolled,
2
increases resistance to aging.
General Requirements for
3.2.3 vacuum degassing—a process of refining liquid steel
A 569/A 569M Specification for Steel, Carbon (0.15 Maxi-
3
in which the liquid is exposed to a vacuum as part of a special
mum, Percent), Hot-Rolled Sheet and Strip Commercial
technique for removing impurities or for decarburizing the
A 622/A 622M Specification for Drawing Steel (DS), Sheet
3 steel.
and Strip, Carbon, Hot-Rolled
A 635/A 635M Specification for Steel, Sheet and Strip,
4. Classification
Heavy-Thickness Coils, Carbon, Commercial Steel, Draw-
4.1 Hot-rolled steel sheet and steel strip is available in the
ing Steel, Structural, High-Strength Low-Alloy and High-
following designations:
Strength Low-Alloy with Improved Formability, Hot-
2 4.1.1 Commercial Steel (CS Types A, B, and C),
Rolled, General Requirements for
4.1.2 Drawing Steel (DS Types A and B),
A 749/A 749M Specification for Steel, Strip, Carbon and
NOTE 1—CS Type B and DS Type B describe the most common
product previously included, respectively, in Specifications A 569/
A 569M and A 622/A 622M.
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 4.1.3 Structural Steel (SS grades 30[205], 33[230], 36[250]
A01.19 on Steel Sheet and Strip.
Types 1 and 2, 40[275], 45[310], 50[340], and 55[380]),
Current edition approved April 10, 2003. Published May 2003. Originally
approved in 2000. Last previous edition approved in 2002 as A 1011/A 1011M - 02.
2
Annual Book of ASTM Standards, Vol 01.03.
3
Discontinued; see 2000 Annual Book of ASTM Standards, Vol 01.03. Replaced
4
by A 1011/A 1011M. Annual Book of ASTM Standards, Vol 01.01.
*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.
1

---------------------- Page: 1 ----------------------
NOTICE: This standard has either been superceded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
A 1011/A 1011M – 03
4.1.4 High-Strength Low-Alloy Steel (HSLAS, classes 1 5.1.7 Coil size (inside diameter, outside diameter, and maxi-
and 2, in grades 45[310], 50[340], 55[380], 60[410], 65[450], mum weight),
and 70[480]. 5.1.8 Copper bearing steel (if required),
4.1.5 High-Strength Low-Alloy Steel with Improved Form- 5.1.9 Quantity,
abil
...

This document is not anASTM standard and is intended only to provide the user of anASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation:A1011/A1011M–02 Designation: A 1011/A 1011M – 03
Standard Specification for
Steel, Sheet and Strip, Hot-Rolled, Carbon, Structural, High-
Strength Low-Alloy and High-Strength Low-Alloy with
1
Improved Formability
This standard is issued under the fixed designation A 1011/A 1011M; 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*
1.1 This specification covers hot-rolled structural, high-strength low-alloy, and high-strength low-alloy with improved
formability steel sheet and strip, in coils and cut lengths.
1.2 Hot rolled steel sheet and strip is available in the designations as listed in 4.1.
1.3 This specification is not applicable to the steel covered by Specification A 635/A 635M.
1.4 Thevaluesstatedineitherinch-poundunitsorSIunitsaretoberegardedseparatelyasstandard.Withinthetext,theSIunits
are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system must be used
independently of the other.
2. Referenced Documents
2.1 ASTM Standards:
2
A 370 Test Methods and Definitions for Mechanical Testing of Steel Products
A 568/A 568M Specification for Steel, Sheet, Carbon, and High-Strength, Low-Alloy, Hot-Rolled and Cold-Rolled, General
2
Requirements for
3
A 569/A 569M Specification for Steel, Carbon (0.15 Maximum, Percent), Hot-Rolled Sheet and Strip Commercial
3
A 622/A 622M Specification for Drawing Steel (DS), Sheet and Strip, Carbon, Hot-Rolled
2
A 635/A 635MSpecification for Steel, Sheet and Strip, Heavy-Thickness Coils, Carbon, Hot Rolled Specification for Steel,
Sheet and Strip, Heavy-Thickness Coils, Carbon, Commercial Steel, Drawing Steel, Structural, High-Strength Low-Alloy and
2
High-Strength Low-Alloy with Improved Formability, Hot-Rolled, General Requirements for
2
A 749/A 749M Specification for Steel, Strip, Carbon and High-Strength, Low-Alloy, Hot-Rolled, General Requirements for
4
A 941 Terminology Relating to Steel, Stainless Steel, Related Alloys, and Ferroalloys
3. Terminology
3.1 Definitions— For definitions of other terms used in this specification refer to Terminology A 941.
3.2 Definitions of Terms Specific to This Standard:
3.2.1 aging—loss of ductility with an increase in hardness, yield strength, and tensile strength that occurs when steel, which has
been slightly cold worked (such as by temper rolling) is stored for some time.
3.2.1.1 Discussion—Aging also increases the tendency toward stretcher strains and fluting.
3.2.2 stabilization—the addition of one or more nitride or carbide forming elements, or both, such as titanium and columbium,
to control the level of the interstitial elements carbon and nitrogen in the steel.
3.2.2.1 Discussion—Stabilization improves formability and increases resistance to aging.
3.2.3 vacuum degassing—a process of refining liquid steel in which the liquid is exposed to a vacuum as part of a special
technique for removing impurities or for decarburizing the steel.
4. Classification
4.1 Hot-rolled steel sheet and steel strip is available in the following designations:
1
This specification is under the jurisdiction ofASTM CommitteeA01 on Steel, Stainless Steel,Steel and RelatedAlloys and is the direct responsibility of Subcommittee
A01.19 on Steel Sheet and Strip.
Current edition approved MarchApril 10, 2002.2003. PublishedApril 2002.May 2003. Originally published asA1011/A1011M-00.approved in 2000. Last previous edition
approved in 2002 as A 1011/A 1011M - 01a2.
2
Annual Book of ASTM Standards, Vol 01.03.
3
Discontinued; see 2000 Annual Book of ASTM Standards , Vol 01.03. Replaced by A 1011/A 1011M.
4
Annual Book of ASTM Standards, Vol 01.01.
*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.
1

---------------------- Page: 1 ----------------------
A 1011/A 1011M – 03
4.1.1 Commercial Steel (CS Types A, B, and C),
4.1.2 Drawing Steel (DS Types A and B),
NOTE 1—CS Type B and DS Type B describe the most common product previously included, respectively, in Specifications A 569/A 569M and
A 622/A 622M.
4.1.3 Structural Steel (SS grades 30[205], 33[230], 36[250] Types 1 and 2, 40[275], 45[310], 50[340], and 55[380]),
4.1.4 High-Strength Low-Alloy Steel (HSLAS, classes 1 and 2, in grades 45[310], 50[340],
...

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