ASTM A 503/A 503M - 01 (Reapproved 2006) Standard Specification for Ultrasonic Examination of Forged Crankshafts

American Society for Testing and Materials (ASTM). Current edition approved March 1, 2006. Published April 2006. Originally approved in 1964. Last previous edition approved in 2001 as A 503/A 503M – 01 (2001). 3 p. This is an acceptance specification for the ultrasonic inspection of forged steel crankshafts having main bearing journals or crankpins 4 in. [100 mm] or larger in diameter.