American Society for Testing and Materials (ASTM). Current edition approved Nov. 1, 2005. Published November 2005. Originally approved in 2000. Last previous edition approved in 2000 as F 2063 – 00. 4 p. This specification covers the chemical, physical, mechanical, and metallurgical requirements for wrought nickeltitanium bar, flat rolled products, and tubing containing nominally 54.5 % to 57.0 % nickel and used for the manufacture of medical devices and surgical implants.