ASTM A1039/A1039M-12
(Specification)Standard Specification for Steel, Sheet, Hot Rolled, Carbon, Commercial, Structural, and High-Strength Low-Alloy, Produced by Twin-Roll Casting Process
Standard Specification for Steel, Sheet, Hot Rolled, Carbon, Commercial, Structural, and High-Strength Low-Alloy, Produced by Twin-Roll Casting Process
SCOPE
1.1 This specification covers commercial and structural steel sheet in coils and cut lengths produced by the twin-roll casting process.
1.2 The steel sheet is available in the designations listed in Section 4.
1.3 The material is available in the following sizes: Thickness0.027 in. [0.7 mm] to 0.078 in. [2.0 mm] Widthup to 79 in. [2000 mm]
1.4 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.
Note 1—A description of the Twin-Roll Casting Process is included in Appendix X1.
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Designation:A1039/A1039M −12
StandardSpecification for
Steel, Sheet, Hot Rolled, Carbon, Commercial, Structural,
and High-Strength Low-Alloy, Produced by Twin-Roll
1
Casting Process
This standard is issued under the fixed designation A1039/A1039M; 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.
1. Scope* 3.2 Definitions of Terms Specific to This Standard:
3.2.1 twin roll casting process, n—production of steel sheet
1.1 This specification covers commercial and structural
directly from liquid metal.
steel sheet in coils and cut lengths produced by the twin-roll
3.2.1.1 Discussion—The properties of the steel sheet are the
casting process.
result of the control of the casting conditions, and in some
1.2 The steel sheet is available in the designations listed in
cases, through a combination of the casting process and hot
Section 4.
rolling of the sheet.
1.3 The material is available in the following sizes:
4. Classification
Thickness—0.027 in. [0.7 mm] to 0.078 in. [2.0 mm]
Width—up to 79 in. [2000 mm]
4.1 Twin-roll cast steel sheet is available in the following
1.4 The values stated in either SI units or inch-pound units
designations:
are to be regarded separately as standard. The values stated in
4.1.1 Commercial steel (CS Types A, B, and D),
each system may not be exact equivalents; therefore, each
4.1.2 Drawing steel (DS Types A, B, and D),
system shall be used independently of the other. Combining
4.1.3 Structural steel (SS Grades 30 [205], 33 [230], 36
values from the two systems may result in non-conformance
[250]Types 1 and 2, 40 [275], 45 [305], 50 [340], 55 [380], 60
with the standard.
[410], 70 [480], and 80 [550]), and
NOTE 1—Adescription of the Twin-Roll Casting Process is included in
4.1.4 High-Strength Low-Alloy steel (HSLAS, classes 1
Appendix X1.
and 2 in grades 45 [310], 50 [340], 55 [380], 60 [410], 65
2. Referenced Documents
[450], 70 [480] and 80 [550].
2
2.1 ASTM Standards:
5. Ordering Information
A370 Test Methods and Definitions for Mechanical Testing
of Steel Products
5.1 It is the purchaser’s responsibility to specify in the
A568/A568M Specification for Steel, Sheet, Carbon,
purchase order all ordering information necessary to describe
Structural,andHigh-Strength,Low-Alloy,Hot-Rolledand
the required material. Examples of such information include,
Cold-Rolled, General Requirements for
but are not limited to, the following:
A941 TerminologyRelatingtoSteel,StainlessSteel,Related
5.1.1 ASTM specification number and year of issue,
Alloys, and Ferroalloys
5.1.2 Name of material and designation (direct cast or hot
rolledsheet)(includegradeandclass,andlimitsforCu,Ni,Cr,
3. Terminology
and Mo as appropriate, for CS, DS, SS, and HSLAS) (see 4.1),
3.1 Definitions—For definitions of other terms used in this
5.1.2.1 When a type is not specified for CS, Type B will be
specification refer to Terminology A941.
furnished,
5.1.2.2 When a type is not specified for DS, Type B will be
1 furnished,
This specification is under the jurisdiction ofASTM Committee A01 on Steel,
Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee
5.1.2.3 When a class for HSLAS is not specified, Class 1
A01.19 on Steel Sheet and Strip.
will be furnished.
Current edition approved April 15, 2012. Published May 2012. Originally
5.1.2.4 When limits for Cu, Ni, Cr, and Mo are not
approved in 2004. Last previous edition approved in 2011 as A1039/A1039M – 11.
DOI: 10.1520/A1039_A1039M-12. specified, limit H (see Table 1) will be furnished.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
5.1.3 Finish (see 9.1),
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
5.1.4 Type of edge (see 9.3),
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. 5.1.5 Oiled or not oiled, as required (see 9.2),
*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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A1039/A1039M−12
A,B
TABLE 1 Chemical Requirements for Twin Roll Cast Hot Rolled Steel Sheet Designations SS and HSLAS
% Heat Analysis, Element Maximum Unless Otherwise Shown
Designation
C C
CMn P S Al Si VCb Ti N
D
SS:
Grade 30 0.25 0.90 0.035 0.04 . . . . . . 0.008 0.008 0.008 . . .
[205]
Grade 33 0.25 0.90 0.035 0.04 . . . . . . 0.008 0.008 0.008 . . .
[230]
Grade 36 0.25 1.35 0.035 0.04 . . . . . . 0.008 0.008 0.008 . . .
[250] Type 1
Grade 36 0.25 1.35 0.035 0.04 . . . . . . 0.008 0.008 0.008 .
...
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:A1039/A1039M–11 Designation: A1039/A1039M – 12
Standard Specification for
Steel, Sheet, Hot Rolled, Carbon, Commercial, Structural,
and High-Strength Low-Alloy, Produced by Twin-Roll
1
Casting Process
This standard is issued under the fixed designation A1039/A1039M; 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.
1. Scope*
1.1 This specification covers commercial and structural steel sheet in coils and cut lengths produced by the twin-roll casting
process.
1.2 The steel sheet is available in the designations listed in Section 4.
1.3 The material is available in the following sizes:
Thickness—0.027 in. [0.7 mm] to 0.078 in. [2.0 mm]
Width—up to 79 in. [2000 mm]
1.4 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each
system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the
two systems may result in non-conformance with the standard.
NOTE 1—A description of the Twin-Roll Casting Process is included in Appendix X1.
2. Referenced Documents
2
2.1 ASTM Standards:
A370 Test Methods and Definitions for Mechanical Testing of Steel Products
A568/A568M Specification for Steel, Sheet, Carbon, Structural, and High-Strength, Low-Alloy, Hot-Rolled and Cold-Rolled,
General Requirements for
A941 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 A941.
3.2 Definitions of Terms Specific to This Standard:
3.2.1 twin roll casting process, n—production of steel sheet directly from liquid metal.
3.2.1.1 Discussion—The properties of the steel sheet are the result of the control of the casting conditions, and in some cases,
through a combination of the casting process and hot rolling of the sheet.
4. Classification
4.1 Twin-roll cast steel sheet is available in the following designations:
4.1.1 Commercial steel (CS Types A, B, and D),
4.1.2 Drawing steel (DS Types A, B, and D),
4.1.3 Structural steel (SS Grades 30 [205], 33 [230], 36 [250] Types 1 and 2, 40 [275], 45 [305], 50 [340], 55 [380], 60 [410],
70 [480], and 80 [550]), and
4.1.4 High-Strength Low-Alloy steel (HSLAS, classes 1 and 2 in grades 45 [310], 50 [340], 55 [380], 60 [410], 65 [450], 70
[480] and 80 [550].
5. Ordering Information
5.1 Itisthepurchaser’sresponsibilitytospecifyinthepurchaseorderallorderinginformationnecessarytodescribetherequired
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 Nov.April 15, 2011.2012. Published December 2011.May 2012. Originally approved in 2004. Last previous edition approved in 20102011 as
A1039/A1039M – 101. DOI: 10.1520/A1039_A1039M-112.
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.
*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 ----------------------
A1039/A1039M – 12
material. Examples of such information include, but are not limited to, the following:
5.1.1 ASTM specification number and year of issue,
5.1.2 Name of material and designation (direct cast or hot rolled sheet) (include grade and class, and limits for Cu, Ni, Cr, and
Mo as appropriate, for CS, DS, SS, and HSLAS) (see 4.1),
5.1.2.1 When a type is not specified for CS, Type B will be furnished,
5.1.2.2 When a type is not specified for DS, Type B will be furnished,
5.1.2.3 When a class for HSLAS is not specified, Class 1 will be furnished.
5.1.2.4 When limits for Cu, Ni, Cr, and Mo are not specified, limit H (see Table 1) will be furnished.
5.1.3 Finish (see 9.1),
5.1.4 Type of edge (see 9.3),
5.1.5 Oiled or not oiled, as required (see 9.2),
5.1.6 Dimensions (thickness, width, and whether cut lengths or coils),
5.1.7 Coil size (inside diameter, outside diameter, and maximum weight),
5.
...
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