ASTM A 572/A 572M - 07 Standard Specification for High-Strength Low-Alloy Columbium-Vanadium Structural Steel

American Society for Testing and Materials (ASTM). Current edition approved March 1, 2007. Published March 2007. Originally approved in 1966. Last previous edition approved in 2006 as A 572/A 572M – 06. 4 p. This specification covers five grades of high-strength low-alloy structural steel shapes, plates, sheet piling, and bars. Grades 42 [290], 50 [345], and 55 [380] are intended for riveted, bolted, or welded structures. Grades 60 [415] and 65 [450] are intended for riveted or bolted construction of bridges, or for riveted, bolted, or welded construction in other applications.