Standards

ASTM A749/A749M-97(2002)


Historical Standard: ASTM A749/A749M-97(2002) Standard Specification for Steel, Strip, Carbon and High-Strength, Low-Alloy, Hot-Rolled, General Requirements for


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1. Scope

1.1 This specification covers the general requirements for hot-rolled steel strip in coils and cut lengths. It applies to carbon steel and high-strength, low-alloy steel furnished as hot-rolled.

1.2 This specification is not applicable to hot-rolled heavy-thickness carbon sheet and strip coils (ASTM Specification A 635/A 635M), cold-rolled carbon steel strip (ASTM Specification A 109 or A 109M), high-strength, low-alloy cold-rolled steel (ASTM Specifications A 606 and A 607) or cold-rolled carbon spring steel (ASTM Specification A 682 or A 682M).

1.3 In case of any conflict in requirements, the requirements of the individual material specification shall prevail over those of this general specification.

1.4 For the purposes of determining conformance with this and the appropriate product specification referenced under , 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 E 29.

1.5 Annex A1 lists permissible variations in dimensions and mass (Note 1) 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 1—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 the 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.


2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

ASTM Standards

A109/A109M Specification for Steel, Strip, Carbon (0.25 Maximum Percent), Cold-Rolled
A370 Test Methods and Definitions for Mechanical Testing of Steel Products
A606 Specification for Steel, Sheet and Strip, High-Strength, Low-Alloy, Hot-Rolled and Cold-Rolled, with Improved Atmospheric Corrosion Resistance
A635/A635M 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
A682/A682M Specification for Steel, Strip, High-Carbon, Cold-Rolled, General Requirements For
A700 Practices for Packaging, Marking, and Loading Methods for Steel Products for Shipment
A751 Test Methods, Practices, and Terminology for Chemical Analysis of Steel Products
A1008/A1008M Specification for Steel, Sheet, Cold-Rolled, Carbon, Structural, High-Strength Low-Alloy, High-Strength Low-Alloy with Improved Formability, Solution Hardened, and Bake Hardenable
E11 Specification for Woven Wire Test Sieve Cloth and Test Sieves
E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
E290 Test Methods for Bend Testing of Material for Ductility

Military Standards

MIL-STD-129 Marking for Shipment and Storage

Federal Standards

Fed.Std.No.183 Continuous Identification Marking of Iron and Steel Products


Keywords

carbon; steel; strip
; Alloy steel sheet/strip--specifications; Carbon steel sheet/strip--specifications; General delivery requirements--steel; Hot-rolled steel sheet/strip--specifications; HSLA (high-strength low-alloy) steel sheet/strip--specifications; Steel strip;



ICS Code

ICS Number Code 77.140.50 (Flat steel products and semi-products)



DOI: 10.1520/A0749_A0749M-97R02

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