ASTM A 229/A 229M - 99 (Reapproved 2005) Standard Specification for Steel Wire, Oil-Tempered for Mechanical Springs

American Society for Testing and Materials (ASTM). Current edition approved May 1, 2005. Published May 2005. Originally approved in 1939. Last previous edition approved in 1999 A 229/A 229M – 99. 4 p. This specification covers two classes of oil-tempered steel spring wire intended especially for the manufacture of mechanical springs and wire forms.