Standard Specification for High-Strength Low-Alloy (HSLA q550d low alloy high tensile structural steel plate
Jun 12, 2018 · ASTM A572/A572M-18 Standard Specification for High-Strength Low-Alloy Columbium-Vanadium Structural Steel specifies five grades of high-strength low-alloy (HSLA) structural steel shapes, plates, sheet piling, and bars. The Five Grades of ASTM A572/A572M-18. Grades 42 [290], 50 [345], and 55 [380] are intended for riveted, bolted, or welded q550d low alloy high tensile structural steel plate
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