CARPENTER VIM-VAR M-50 Bearing Steel is produced by vacuum induction melting and vacuum arc remelting. The alloy's high degree of cleanliness enables it to be finished to a high luster. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on high temperature performance as well as forming and heat treating. Filing Code: TS-360. Producer or source: Carpenter. Originally published as Carpenter M-50, April 1980, revised July 1991.