American Society for Testing and Materials (ASTM). Current edition approved Nov. 1, 2005. Published November 2005. Originally approved in 1926. Last previous edition approved in 2000 as B 23 – 00. 4 p. This specification covers eight typical white metal bearing alloys, in bar or ingot form, known commercially as babbitt metal. The alloys are specified, covering the range commercially used, and are designated by the alloy numbers shown in Table 1.