ASTM A635/A635M-06a

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Designation: A 635/A 635M – 06a
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
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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* pendentlyoftheother.Combiningvaluesfromthetwosystems
may result in nonconformance with this specification.
1.1 This specification covers the general requirements for
1.7 This specification and the applicable material specifica-
hot-rolled, heavy-thickness sheet and strip in coils.
tions are expressed in both inch-pound units and SI units.
1.2 It applies to Specification A 1018/A 1018M.
However, unless the order specifies the applicable “M” speci-
1.3 This material is available only in coils described as
fication designation (SI units), the material shall be furnished
follows:
to inch-pound units.
Size Limits, Coils Only
Product Width, in. [mm] Thickness, in. [mm]
2. Referenced Documents
Strip over 8 to 12, incl 0.230 to 1.000, incl
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2.1 ASTM Standards:
[over 200 through 300] [from 6.0 through 25]
A 370 Test Methods and Definitions for MechanicalTesting
Sheet over 12 0.230 to 1.000, incl
[over 300] [from 6.0 through 25]
of Steel Products
A 700 Practices for Packaging, Marking, and Loading
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 Methods for Steel Products for Shipment
from 0.180 in. [4.5 mm] to 0.230 in. exclusive [6.0 mm exclusive] over 48
A 568/A 568M Specification for Steel, Sheet, Carbon,
in. [1200 mm] wide as that material is now covered by Specification
Structural, and High-Strength, Low-Alloy, Hot-Rolled and
A 568/A 568M – 06a.Thepurchaserisadvisedtodiscussthischangewith
Cold-Rolled, General Requirements for
the supplier.
A 751 Test Methods, Practices, and Terminology for
1.4 In case of any conflict in requirements, the requirements
Chemical Analysis of Steel Products
of the individual material specification shall prevail over those
A 1018/A 1018M Specification for Steel, Sheet and Strip,
of this general specification.
Heavy-Thickness Coils, Hot-Rolled, Carbon, Commercial,
1.5 AnnexA1 lists permissible variations in dimensions and
Drawing, Structural, High-Strength Low-Alloy, and High-
mass (see Note 2) in SI [metric] units.The values listed are not
Strength Low-Alloy with Improved Formability
exact conversions of the values listed in the inch-pound tables,
E11 Specification for Wire Cloth and Sieves for Testing
but instead are rounded or rationalized values. Conformance to
Purposes
Annex A1 is mandatory when the “M” specification is used.
E29 Practice for Using Significant Digits in Test Data to
Determine Conformance with Specifications
NOTE 2—The term weight is used when inch-pound units are the
E59 PracticeforSamplingSteelandIronforDetermination
standard. However, under SI, the preferred term is mass.
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of Chemical Composition
1.6 The values stated in either inch-pound units or SI units
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2.2 Federal Standards:
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 inde-
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For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
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This specification is under the jurisdiction of ASTM Committee A01 on Steel, Standards volume information, refer to the standard’s Document Summary page on
Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee the ASTM website.
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A01.19 on Steel Sheet and Strip. Withdrawn.
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Current edition approved May 1, 2006. Published May 2006. Originally AvailablefromStandardizationDocumentsOrderDesk,Bldg.4SectionD,700
approved in 1970. Last previous edition approved in 2006 as A 635/A 635M – 06. Robbins Ave., Philadelphia, PA 19111-5094, Attn: NPODS.
*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 – 06a
Fed. Std. No. 123 Marking for Shipment (Civil Agencies) 5.2 Steel may be produced as ingot-cast or strand-cast.
When different grades of strand-cast steel are sequentially cast,
Fed.Std.No.183 ContinuousIden
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