ASTM B 522 - 01 (Reapproved 2006) Standard Specification for Gold-Silver-Platinum Electrical Contact Alloy

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 522 – 01. 2 p. This specification covers 69 % gold, 25 % silver, 6 % platinum alloy tubing, rod, wire, and sheet material for sliding electrical contacts.