ASTM A 921/A921M - 93 (Reapproved 2005) Standard Specification for Steel Bars, Microalloy, Hot-Wrought, Special Quality, for Subsequent Hot Forging

American Society for Testing and Materials (ASTM). Current edition approved March 1, 2005. Published March 2005. Originally approved in 1993. Last previous edition approved in 1999 as A 921/A 921M - 93(1999). 3 p. This specification covers hot-wrought, special quality microalloyed carbon steel bars intended for use as hot forging stock. The bars shall be hot-wrought, as-wrought, unless thermal treatment is necessary to ensure cold shearability.