ASTM A 983/A 983M - 06 Standard Specification for Continuous Grain Flow Forged Carbon and Alloy Steel Crankshafts for Medium Speed Diesel Engines

American Society for Testing and Materials (ASTM). Current edition approved Sept. 1, 2006. Published September 2006. Originally approved in 1998. Last previous edition approved in 2005 as A 983/A 983M – 05. 5 p. This specification covers continuous grain flow forged carbon and alloy steel crankshafts for medium speed diesel and natural gas engines.