ASTM A635/A635M-07
(Specification)Standard Specification for Steel, Sheet and Strip, Heavy-Thickness Coils, Hot-Rolled, Carbon, Structural, High-Strength Low-Alloy, and High-Strength Low-Alloy with Improved Formability, General Requirements for
Standard Specification for Steel, Sheet and Strip, Heavy-Thickness Coils, Hot-Rolled, Carbon, Structural, High-Strength Low-Alloy, and High-Strength Low-Alloy with Improved Formability, General Requirements for
ABSTRACT
This specification covers the general requirements for hot-rolled, heavy-thickness, and high-strength low-alloy with improved formability sheet and strip coils. These coils are normally produced from rimmed, capped, or semi-killed steel. Steels may be produced as ingot-cast or strand-cast. Cast or heat analysis shall be made to determine the conformance with the requirements. For steels other than non-killed (capped or rimmed), product analysis may be made. The chemical analysis shall conform to the specified amounts of carbon, manganese, phosphorus, sulfur, silicon, and copper. Steels may or may not be subjected to tension test requirement. Specimen preparation and test methods are discussed. The mechanical property requirements, number of specimens, test locations, and specimen orientation shall be in accordance with the applicable product specification. Tolerances for the dimensions of sheet and strip coils are specified.
SCOPE
1.1 This specification covers the general requirements for hot-rolled, heavy-thickness sheet and strip in coils.
1.2 It applies to Specification A 1018/A 1018M.
1.3 This material is available only in coils described as follows:Size Limits, Coils OnlyProduct Width, in. [mm] Thickness, in. [mm]Stripover 8 to 12, incl[over 200 through 300] 0.230 to 1.000, incl [from 6.0 through 25]Sheetover 12 [over 300]0.230 to 1.000, incl[from 6.0 through 25]
Note 1 - The changes in width limits with the publication of A 635/A 635M - 06a result in a change in tensile testing direction for material from 0.180 in. [4.5 mm] to 0.230 in. exclusive [6.0 mm exclusive] over 48 in. [1200 mm] wide as that material is now covered by Specification A 568/A 568M - 06a. The purchaser is advised to discuss this change with the supplier.
1.4 In case of any conflict in requirements, the requirements of the individual material specification shall prevail over those of this general specification.
1.5 Annex A1 lists permissible variations in dimensions and mass (see Note 2) in SI [metric] units. The values listed are not exact conversions of the values listed in the inch-pound tables, but instead are rounded or rationalized values. Conformance to is mandatory when the "M" specification is used.
Note 2 - The term weight is used when inch-pound units are the standard. However, under SI, the preferred term is mass.
1.6 The values stated in either inch-pound units or SI units are to be regarded 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. Combining values from the two systems may result in nonconformance with this specification.
1.7 This specification and the applicable material specifications are expressed in both inch-pound units and SI units. However, unless the order specifies the applicable "M" specification designation (SI units), the material shall be furnished to inch-pound units.
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Designation: A 635/A 635M – 07
Standard Specification for
Steel, Sheet and Strip, Heavy-Thickness Coils, Hot-Rolled,
Carbon, Structural, High-Strength Low-Alloy, and High-
Strength Low-Alloy with Improved Formability, General
1
Requirements for
This standard is issued under the fixed designationA 635/A 635M; 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.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope* exact equivalents; therefore, each system must be used inde-
pendentlyoftheother.Combiningvaluesfromthetwosystems
1.1 This specification covers the general requirements for
may result in nonconformance with this specification.
hot-rolled, heavy-thickness sheet and strip in coils.
1.7 This specification and the applicable material specifica-
1.2 It applies to Specification A 1018/A 1018M.
tions are expressed in both inch-pound units and SI units.
1.3 This material is available only in coils described as
However, unless the order specifies the applicable “M” speci-
follows:
fication designation (SI units), the material shall be furnished
Size Limits, Coils Only
to inch-pound units.
Product Width, in. [mm] Thickness, in. [mm]
Strip over 8 to 12, incl 0.230 to 1.000, incl
2. Referenced Documents
[over 200 through 300] [from 6.0 through 25]
2
2.1 ASTM Standards:
Sheet over 12 0.230 to 1.000, incl
[over 300] [from 6.0 through 25]
A 370 Test Methods and Definitions for MechanicalTesting
of Steel Products
NOTE 1—The changes in width limits with the publication of A 635/
A 635M – 06a result in a change in tensile testing direction for material A 700 Practices for Packaging, Marking, and Loading
from 0.180 in. [4.5 mm] to 0.230 in. exclusive [6.0 mm exclusive] over 48
Methods for Steel Products for Shipment
in. [1200 mm] wide as that material is now covered by Specification
A 568/A 568M Specification for Steel, Sheet, Carbon,
A 568/A 568M – 06a.Thepurchaserisadvisedtodiscussthischangewith
Structural, and High-Strength, Low-Alloy, Hot-Rolled and
the supplier.
Cold-Rolled, General Requirements for
1.4 In case of any conflict in requirements, the requirements
A 751 Test Methods, Practices, and Terminology for
of the individual material specification shall prevail over those
Chemical Analysis of Steel Products
of this general specification.
A 941 Terminology Relating to Steel, Stainless Steel, Re-
1.5 AnnexA1 lists permissible variations in dimensions and
lated Alloys, and Ferroalloys
mass (see Note 2) in SI [metric] units.The values listed are not
A 1018/A 1018M Specification for Steel, Sheet and Strip,
exact conversions of the values listed in the inch-pound tables,
Heavy-Thickness Coils, Hot-Rolled, Carbon, Commercial,
but instead are rounded or rationalized values. Conformance to
Drawing, Structural, High-Strength Low-Alloy, High-
Annex A1 is mandatory when the “M” specification is used.
Strength Low-Alloy with Improved Formability, and
Ultra-High Strength
NOTE 2—The term weight is used when inch-pound units are the
E11 Specification for Wire Cloth and Sieves for Testing
standard. However, under SI, the preferred term is mass.
Purposes
1.6 The values stated in either inch-pound units or SI units
E29 Practice for Using Significant Digits in Test Data to
are to be regarded as standard. Within the text, the SI units are
Determine Conformance with Specifications
shown in brackets. The values stated in each system are not
E59 PracticeforSamplingSteelandIronforDetermination
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This specification is under the jurisdiction of ASTM Committee A01 on Steel,
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Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee For referenced ASTM standards, visit the ASTM website, www.astm.org, or
A01.19 on Steel Sheet and Strip. contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Current edition approved Sept. 1, 2007. Published September 2007. Originally Standards volume information, refer to the standard’s Document Summary page on
approved in 1970. Last previous edition approved in 2006 asA 635/A 635M – 06a. 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.
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A 635/A 635M – 07
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of Chemical Composition 3.6.1 Discussion—The processing operations need not be
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2.2 Federal Standards: controlled by the organization that hot rolls the slab into a coil.
Fed. Std. No. 123 Marking for Shipment (Civil Agencies) If only one organization controls and/or is respon
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