This specification covers the chemical, mechanical, and metallurgical requirements for wrought titanium-13niobium-13zirconium alloy (UNS R58130) bars and wires to be used in the manufacture of surgical implants. The mill products may be supplied as specified by the purchaser with a descaled or pickled, abrasive blasted, chemically milled, ground, machined, peeled, or polished finish. Materials shall be furnished in the unannealed, solution-treated, or capability-aged condition. The mechanical properties to which the alloys shall conform are tensile strength, yield strength, elongation, and reduction of area.