American Society for Testing and Materials (ASTM). Current edition approved May 1, 2006. Published May 2006. Originally approved in 1964. Last previous edition approved in 2001 as A 467/A 467M – 01. 4 p. This specification covers welded carbon steel machine chain and coil chain. Although these chains are not intended for pocket wheel use, they can be used for pocket and sprocket wheel use. This chain shall never be used for overhead lifting applications.