1.1 This specification covers hot-rolled, carbon, structural, high-strength low-alloy, high-strength low-alloy with improved formability, and ultra-high strength steel sheet and strip, in coils and cut lengths. 1.2 Hot rolled steel sheet and strip is available in the designations as listed in 4.1. 1.3 This specification is not applicable to the steel covered by Specification A635/A635M. 1.4 The 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. |
E18-25 | Standard Test Methods for Rockwell Hardness of Metallic Materials |
A941-26a | Standard Terminology Relating to Steel, Stainless Steel, Related Alloys, and Ferroalloys (Includes all amendments and changes 4/15/2026). |
A751-25 | Standard Test Methods and Practices for Chemical Analysis of Steel Products |
A749/A749M-26 | Standard Specification for Steel, Strip, Carbon and High-Strength, Low-Alloy, Hot-Rolled, General Requirements for |
A635/A635M-25a | 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 (Includes all amendments and changes 12/5/2025). |
A370-26 | Standard Test Methods and Definitions for Mechanical Testing of Steel Products |
A568/A568M-25a | Standard Specification for Steel, Sheet, Carbon, Structural, and High-Strength Low-Alloy, Hot-Rolled and Cold-Rolled, General Requirements for (Includes all amendments and changes 12/5/2025). |
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