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-03a - 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-03a - 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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn
Contact ASTM International (www.astm.org) for the lastest information
Designation:A1011/A1011M–03a
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 designationA1011/A1011M; 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* A941 Terminology Relating to Steel, Stainless Steel, Re-
4
lated Alloys, and Ferroalloys
1.1 This specification covers hot-rolled structural, high-
E18 Standard Test Methods for Rockwell Hardness and
strength low-alloy, and high-strength low-alloy with improved
5
Rockwell Superficial Hardness of Metallic Materials
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 A941.
by Specification A635/A635M.
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
A370 TestMethodsandDefinitionsforMechanicalTesting
2
columbium, to control the level of the interstitial elements
of Steel Products
carbon and nitrogen in the steel.
A568/A568M 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
A569/A569M 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
A622/A622M SpecificationforDrawingSteel(DS),Sheet
3 steel.
and Strip, Carbon, Hot-Rolled
A635/A635M Specification for Steel, Sheet and Strip,
4. Classification
Heavy-ThicknessCoils,Carbon,CommercialSteel,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, C, and D),
Rolled, General Requirements for
4.1.2 Drawing Steel (DS Types A and B),
A749/A749M Specification for Steel, Strip, Carbon and
High-Strength, Low-Alloy, Hot-Rolled, General Require-
NOTE 1—CS Type B and DS Type B describe the most common
2
ments for product previously included, respectively, in Specifications A 569/
A569M and A622/A622M.
1 4.1.3 Structural Steel (SS grades 30[205], 33[230], 36[250]
This specification is under the jurisdiction ofASTM CommitteeA01 on Steel,
Stainless Steel and RelatedAlloys and is the direct responsibility of Subcommittee Types 1 and 2, 40[275], 45[310], 50[340], 55[380], 60[410],
A01.19 on Steel Sheet and Strip.
70[480], and 80[550]),
Current edition approved Oct. 1, 2003. Published October 2003. Originally
approvedin2000.Lastpreviouseditionapprovedin2003asA1011/A1011M-03.
2
Annual Book of ASTM Standards, Vol 01.03.
3 4
Discontinued; see 2000 Annual Book of ASTM Standards, Vol 01.03. Replaced Annual Book of ASTM Standards, Vol 01.01.
5
by A1011/A1011M. Annual Book of ASTM Standards, Vol 03.01.
*ASummary 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 ----------------------
A1011/A1011M–03a
the thickness tolerance tables in SpecificationsA568/A568M andA749/
4.1.4 High-Strength Low-Alloy Steel (HSLAS, classes 1
A749M. The purchaser should contact the producer prior to placing an
and 2, in grades 45[310], 50[340], 55[380], 60[410], 65[450],
order.
and 70[480].
4.1.5 High-Strength Low-Alloy Steel with Improved Form- 5.1.7 Coilsize(insidediameter,outsidediameter,andma
...

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–03 Designation: A 1011/A 1011M – 03a
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
A 635/A 635M Specification for Steel, Sheet and Strip, Heavy-Thickness Coils, Carbon, Commercial Steel, Drawing Steel,
Structural, High-Strength Low-Alloy and High-Strength Low-Alloy with Improved Formability, Hot-Rolled, General
2
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
5
E 18 Standard Test Methods for Rockwell Hardness and Rockwell Superficial 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—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.
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 April 10,Oct. 1, 2003. Published MayOctober 2003. Originally approved in 2000. Last previous edition approved in 20022003 as
A 1011/A 1011M - 023.
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.
5
Annual Book of ASTM Standards, Vol 03.01.
*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 – 03a
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 C), 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 (SS grades 30[205], 33[230], 36[250] Types 1 and 2, 40[275], 45[310], 50[340], 55[380], 60[410],
70[480], and 55[380]), 80[550]),
4.1.4 High-Stre
...

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