ASTM A1039/A1039M-11

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: A1039/A1039M – 11
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* 3.2.1 twin roll casting process, n—production of steel sheet
directly from liquid metal.
1.1 This specification covers commercial and structural
3.2.1.1 Discussion—Thepropertiesofthesteelsheetarethe
steel sheet in coils and cut lengths produced by the twin-roll
result of the control of the casting conditions, and in some
casting process.
cases, through a combination of the casting process and hot
1.2 The steel sheet is available in the designations listed in
rolling of the sheet.
Section 4.
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]
4.1 Twin-roll cast steel sheet is available in the following
Width—up to 79 in. [2000 mm]
designations:
1.4 The values stated in either SI units or inch-pound units
4.1.1 Commercial steel (CS Types A, B, and D),
are to be regarded separately as standard. The values stated in
4.1.2 Drawing steel (DS Types A, B, and D),
each system may not be exact equivalents; therefore, each
4.1.3 Structural steel (SS Grades 30 [205], 33 [230], 36
system shall be used independently of the other. Combining
[250]Types 1 and 2, 40 [275], 45 [305], 50 [340], 55 [380], 60
values from the two systems may result in non-conformance
[410], 70 [480], and 80 [550]), and
with the standard.
4.1.4 High-Strength Low-Alloy steel (HSLAS, classes 1
NOTE 1—Adescription of the Twin-Roll Casting Process is included in and 2 in grades 45 [310], 50 [340], 55 [380], 60 [410], 65
Appendix X1.
[450], 70 [480] and 80 [550].
2. Referenced Documents
5. Ordering Information
2
2.1 ASTM Standards:
5.1 It is the purchaser’s responsibility to specify in the
A370 Test Methods and Definitions for Mechanical Testing
purchase order all ordering information necessary to describe
of Steel Products
the required material. Examples of such information include,
A568/A568M Specification for Steel, Sheet, Carbon, Struc-
but are not limited to, the following:
tural, and High-Strength, Low-Alloy, Hot-Rolled and
5.1.1 ASTM specification number and year of issue,
Cold-Rolled, General Requirements for
5.1.2 Name of material and designation (direct cast or hot
A941 Terminology Relating to Steel, Stainless Steel, Re-
rolledsheet)(includegradeandclass,andlimitsforCu,Ni,Cr,
lated Alloys, and Ferroalloys
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
3. Terminology
furnished,
3.1 Definitions—For definitions of other terms used in this
5.1.2.2 When a type is not specified for DS, Type B will be
specification refer to Terminology A941.
furnished,
3.2 Definitions of Terms Specific to This Standard:
5.1.2.3 When a class for HSLAS is not specified, Class 1
will be furnished.
1
5.1.2.4 When limits for Cu, Ni, Cr, and Mo are not
This specification is under the jurisdiction of ASTM CommitteeA01 on Steel,
Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee specified, limit H (see Table 1) will be furnished.
A01.19 on Steel Sheet and Strip.
5.1.3 Finish (see 9.1),
Current edition approved Nov. 15, 2011. Published December 2011. Originally
5.1.4 Type of edge (see 9.3),
approved in 2004. Last previous edition approved in 2010 asA1039/A1039M – 10.
5.1.5 Oiled or not oiled, as required (see 9.2),
DOI: 10.1520/A1039_A1039M-11.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
5.1.6 Dimensions(thickness,width,andwhethercutlengths
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
or coils),
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 – 11
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 [205] 0.25 0.90 0.035 0.04 . . . . . . 0.008 0.008 0.008 . . .
Grade 33 [230] 0.25 0.90 0.035 0.04 . . . . . . 0.008 0.008 0.008 . . .
Grade 36 [250] Type 1 0.25 1.35 0.035 0.04 . . . . . . 0.0
...