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About This Item
1.1 This specification covers hot-rolled heavy-thickness carbon-steel sheet and strip of structural quality in coils beyond the size limits of Specification A570/A570M. This material is intended for structural purposes where mechanical test values are required and is available in the sizes listed below. This material is available only in coils as described below:Size Limits, Coils Only Product Width, in. (mm) Thickness, in. (mm) Strip over 8 to 12 0.230 to 0.750, incl (200 to 300) (6.0 to 19) Sheet over 12 to 48 0.230 to 0.750, incl (300 to 1200) (6.0 to 19) over 48 (1200) 0.180 to 0.750, incl (4.5 to 19)
1.1.1 The following grades are covered in this specification:Mechanical Properties Yield Point min, Tensile Strength Grade ksi (MPa) min, ksi (MPa) 30 30 (205) 49 (340) 33 33 (230) 52 (360) 36 36 (250) 53 (365) 40 40 (275) 55 (380)
1.2 The values stated in either inch-pound units or SI (metric) units are to be regarded separately 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 of the two systems may result in nonconformance with this specification.
1.3 Sheet and strip in coils of the sizes noted in 1.1 can be included in this specification only with the following provisions:
1.3.1 The material is not to be converted into steel plates for structural or pressure vessel use unless tested in complete accordance with the appropriate sections of Specifications A6/A6M (plates provided from coils) or A20/A20M (plates produced from coils),
1.3.2 This specification is not applicable to the steels covered by Specification A635/A635M,
1.3.3 The dimensional tolerances from Specification A635/A635M are applicable to material produced in accordance with this specification,
1.3.4 The material is to be fed directly from coils into a blanking press, drawing or forming operation, tube mill, rolling mill, or sheared or slit into blanks for subsequent drawing or forming, and
1.3.5 Not all strength levels are available in all thicknesses. The user should consult the producer for appropriate size limitations.