ASTM B 644- 05 Standard Specification for Copper Alloy Addition Agents

American Society for Testing and Materials (ASTM). Current edition approved Oct. 1, 2005. Published November 2005. Originally approved in 1982. Last previous edition approved in 2003 as B 644 – 95 (2003). 5 p. This specification establishes the requirements for copper nickel, ferro copper, phosphor copper, and silicon copper master alloys in ingot, shot, and waffle form to be used as addition agents for cast and wrought alloys.