ASTM A 148/A 148M - 08 Standard Specification for Steel Castings, High Strength, for Structural Purposes

American Society for Testing and Materials (ASTM). Current edition approved March 1, 2008. Published March 2008. Originally approved in 1955. Last previous edition approved in 2005 as A148/A148M – 05. 4 p. This specification covers carbon steel, alloy steel, and martensitic stainless steel castings that are to be subjected to higher mechanical stresses than those covered in Specification A27/A27M.