ASTM A1011/A1011M-06
(Specification)Standard Specification for Steel, Sheet and Strip, Hot-Rolled, Carbon, Structural, High-Strength Low-Alloy, High-Strength Low-Alloy with Improved Formability, and Ultra-High Strength
Standard Specification for Steel, Sheet and Strip, Hot-Rolled, Carbon, Structural, High-Strength Low-Alloy, High-Strength Low-Alloy with Improved Formability, and Ultra-High Strength
SCOPE
1.1 This specification covers hot-rolled, carbon, structural, high-strength low-alloy, high-strength low-alloy with improved formability, and ultra-high strength 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 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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Designation: A 1011/A 1011M – 06
Standard Specification for
Steel, Sheet and Strip, Hot-Rolled, Carbon, Structural, High-
Strength Low-Alloy, High-Strength Low-Alloy with Improved
1
Formability, and Ultra-High Strength
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, and High-Strength Low-Alloy
with Improved Formability, General Requirements for
1.1 This specification covers hot-rolled, carbon, structural,
A 749/A 749M Specification for Steel, Strip, Carbon and
high-strength low-alloy, high-strength low-alloy with im-
High-Strength, Low-Alloy, Hot-Rolled, General Require-
provedformability,andultra-highstrengthsteelsheetandstrip,
ments for
in coils and cut lengths.
A 941 Terminology Relating to Steel, Stainless Steel, Re-
1.2 Hot rolled steel sheet and strip is available in the
lated Alloys, and Ferroalloys
designations as listed in 4.1.
E18 Test Methods for Rockwell Hardness and Rockwell
1.3 This specification is not applicable to the steel covered
Superficial Hardness of Metallic Materials
by Specification A 635/A 635M.
1.4 The values stated in either inch-pound units or SI units
3. Terminology
are to be regarded separately as standard. Within the text, the
3.1 Definitions—For definitions of other terms used in this
SI units are shown in brackets. The values stated in each
specification refer to Terminology A 941.
system are not exact equivalents; therefore, each system must
3.2 Definitions of Terms Specific to This Standard:
be used independently of the other.
3.2.1 aging—loss of ductility with an increase in hardness,
2. Referenced Documents yield strength, and tensile strength that occurs when steel,
2
which has been slightly cold worked (such as by temper
2.1 ASTM Standards:
rolling) is stored for some time.
A 370 Test Methods and Definitions for MechanicalTesting
3.2.1.1 Discussion—Aging also increases the tendency to-
of Steel Products
ward stretcher strains and fluting.
A 568/A 568M Specification for Steel, Sheet, Carbon,
3.2.2 stabilization—addition of one or more nitride or
Structural, and High-Strength, Low-Alloy, Hot-Rolled and
carbide forming elements, or both, such as titanium and
Cold-Rolled, General Requirements for
columbium, to control the level of the interstitial elements
A 569/A 569M Specification for Steel, Carbon (0.15 Maxi-
3 carbon and nitrogen in the steel.
mum, Percent), Hot-Rolled Sheet and Strip Commercial
3.2.2.1 Discussion—Stabilization improves formability and
A 622/A 622M Specification for Drawing Steel (DS), Sheet
3 increases resistance to aging.
and Strip, Carbon, Hot-Rolled
3.2.3 vacuum degassing—process of refining liquid steel in
A 635/A 635M Specification for Steel, Sheet and Strip,
which the liquid is exposed to a vacuum as part of a special
Heavy-Thickness Coils, Hot-Rolled, Carbon, Structural,
technique for removing impurities or for decarburizing the
steel.
1
This specification is under the jurisdiction of ASTM Committee A01 on Steel,
4. Classification
Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee
A01.19 on Steel Sheet and Strip.
4.1 Hot-rolled steel sheet and steel strip is available in the
Current edition approved June 15, 2006. Published June 2006. Originally
following designations:
approved in 2000. Last previous edition approved in 2005 as A 1011/
4.1.1 Commercial Steel (CS Types A, B, C, and D),
A 1011M – 05a.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or 4.1.2 Drawing Steel (DS Types A and B),
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
NOTE 1—CS Type B and DS Type B describe the most common
Standards volume information, refer to the standard’s Document Summary page on
product previously included, respectively, in Specifications A 569/
the ASTM website.
3
Withdrawn. A 569M and A 622/A 622M.
*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
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A 1011/A 1011M – 06
NOTE 2—Not all producers are capable of meeting all the limitations of
4.1.3 Structural Steel (SS grades 30[205], 33[230], 36[250]
the thickness tolerance tables in SpecificationsA 568/A 568M andA 749/
Types 1 and 2, 40[275], 45[310], 50[340], 55[380], 60[410],
A 749M. The purchaser should contact the producer prior to placing an
70[480], and 80[550]),
order.
4.1.4 High-Strength Low-Alloy Steel (HSLAS, classes 1
5.1.7 Coilsize(in
...
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–05a Designation: A 1011/A 1011M – 06
Standard Specification for
Steel, Sheet and Strip, Hot-Rolled, Carbon, Structural, High-
Strength Low-Alloy and Low-Alloy, High-Strength Low-Alloy
1
with Improved Formability, and Ultra-High Strength
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, carbon, structural, high-strength low-alloy, and high-strength low-alloy with improved
formability, and ultra-high strength 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
2.1 ASTM Standards:
A 370 Test Methods and Definitions for Mechanical Testing of Steel Products
A 568/A 568M Specification for Steel, Sheet, Carbon, Structural, and High-Strength, Low-Alloy, Hot-Rolled and Cold-Rolled,
General Requirements for
3
A 569/A 569M Specification for Steel, Carbon (0.15 Maximum, Percent), Hot-Rolled Sheet and Strip Commercial
0
A 622/A 622M Specification for Drawing Steel (DS), Sheet and Strip, Carbon, Hot-Rolled
A 635/A 635M Specification for Steel, Sheet and Strip, Heavy-Thickness Coils, Hot-Rolled, Carbon, Commercial Steel,
Drawing Steel, Structural, High-Strength Low-Alloy, and High-Strength Low-Alloy with Improved Formability, Hot-Rolled,
General Requirements for
A 749/A 749M Specification for Steel, Strip, Carbon and High-Strength, Low-Alloy, Hot-Rolled, General Requirements for
A 941 Terminology Relating to Steel, Stainless Steel, Related Alloys, and Ferroalloys
E 18TestMethodsforRockwellHardnessandRockwellSuperficialHardnessofMetallicMaterials TestMethodsforRockwell
Hardness of Metallic Materials
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—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—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.
1
This specification is under the jurisdiction ofASTM CommitteeA01 on Steel, Stainless Steel and RelatedAlloys and is the direct responsibility of SubcommitteeA01.19
on Steel Sheet and Strip.
Current edition approved Dec. 1, 2005.June 15, 2006. Published December 2005.June 2006. Originally approved in 2000. Last previous edition approved in 2005 as
A 1011/A 1011M – 05a.
2
For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
3
Withdrawn.
*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 – 06
4. Classification
4.1 Hot-rolled steel sheet and steel strip is available in the following designations:
4.1.1 Commercial Steel (CS Types A, B, C, and D),
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 (
...
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