American Society for Testing and Materials (ASTM). Current edition approved June 1, 2006. Published June 2006. Originally approved in 1970. Last previous edition approved in 2001 as B 541 – 01. 3 p. This specification covers a gold-rich, age-hardenable alloy in rod, wire, and strip form applicable to electrical contacts.
The values stated in inch-pound units are to be regarded as standard.