ASTM A 635/A635M : 2022
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Standard Specification for Steel, Sheet and Strip, Heavy-Thickness Coils, Hot-Rolled, Alloy, Carbon, Structural, High-Strength Low-Alloy, and High-Strength Low-Alloy with Improved Formability, General Requirements for
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English
04-10-2022
1.1This specification covers the general requirements for hot-rolled, heavy-thickness sheet and strip in coils.
1.2It applies to Specifications A414/A414M, A424/A424M, A1018/A1018M, and A1031/A1031M.
1.3This material is available only in coils described as follows:
| Size Limits, Coils Only | ||
| Product | Width, in. [mm] | Thickness, in. [mm] |
| Strip | over 8 to 12, incl | 0.230 to 1.000, incl |
| Sheet | All WidthsA | 0.230 to 1.000, incl |
Note 1:The changes in width limits with the publication of A635/A635M – 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 A568/A568M – 06a. The purchaser is advised to discuss this change with the supplier.
1.4In case of any conflict in requirements, the requirements of the individual material specification shall prevail over those of this general specification.
1.5For the purposes of determining conformance with this and the appropriate product specifications referenced in 1.2, measured values, calculated values, and observed values shall be rounded to the nearest unit in the right hand place of figures used in expressing the limiting values in accordance with the rounding method of Practice E29.
1.5.1Ordered values, identified in tables, specified such as over 30 through 48, or 30 exclusive to 48 inclusive, covers all ordered values specified as 30.1, 30.01, 30.001, etc., up to and including 48.000 etc., but does not cover ordered values specified as 30.000 etc. or less, nor does it cover ordered values specified as 48.1, 48.01, 48.001, etc., in accordance with the absolute method of Practice E29.
1.6Annex 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 Annex A1 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.
1.7The 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.
1.8This 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.
1.9This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
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