ASTM B 684 - 97 (Reapproved 2008) Standard Specification for Platinum-Iridium Electrical Contact Materials

American Society for Testing and Materials (ASTM). Current edition approved May 1, 2008. Published June 2008. Originally approved in 1981. Last previous edition approved in 2002 as B 684 – 97 (2002). 3 p. This specification covers an 85 % platinum—15 % iridium alloy, and a 90 % platinum—10 % iridium alloy, in the form of rod, wire, strip, and sheet material for electrical contacts.