1.1 This specification covers the chemical, mechanical, and metallurgical requirements for wrought zirconium-2.5niobium alloy to be used in the manufacture of surgical implants (1). 1.2 The valu This specification covers the requirements fro wrought zirconium-2.5niobium alloy for use in surgical implant applications. The material shall be manufactured into bars or wires by multiple vacuum melting in arc furnaces, by electron beam melting, or b