Titanium wire GB/T3623-1988.It is application to fastening piece,structural grammar,welded joint material and so on round wire. titanium wire1 ... .Material: Titanium Gr1, Gr2, Gr3, Gr4, Gr5, Gr6, Gr7, Gr9, Gr12, nickel, zirconium2.Standard: ASTM B348 ...