American Society for Testing and Materials (ASTM). Current edition approved Oct. 1, 2005. Published October 2005. Originally approved in 1941. Last previous edition approved in 2003 as B 153 – 91 (2003). 2 p. This test method establishes the requirements for the expansion pin test for copper and copper-alloy pipe and tubing with an inside diameter of 0.125 in. (3.2 mm) and greater or an outside diameter up to and including 4 in. (102 mm).