ASTM A1018

The A1018 specification is the Standard specification for heavy gauge Hot-Rolled Sheet and Strip Carbon(CS), Structural(SS)), High-Strength Low-Alloy(HSLAS), High-Strength Low-Alloy with Improved Formability(HSLAS-F), and Ultra-High Strength(UHSS) steels in thicknesses over 0.230"(6 mm) up to and including 1.0". General requirements for the grades covered in A1018/A1018M can be found in ASTM A635/A635M.