American Society for Testing and Materials (ASTM). Current edition approved Jan. 15, 2007. Published January 2007. Originally approved in 2001. Last previous edition approved in 2006 as A 1018/A 1018M – 06c. 9 p. This specification covers hot-rolled, heavy-thickness coils beyond the size limits of Specification A 1011/A 1011M.
The product is available in six designations: Commercial Steel, Drawing Steel, Structural Steel, High-Strength Low-Alloy Steel, High-Strength Low-Alloy Steel with Improved Formability, and Ultra-High Strength Steel.