... frames, bicycle spokes. Titanium Wire 1.Material: Gr1, Gr2, Gr3, Gr4, Gr5, Gr7, Gr9, Gr11, Gr12. Standard: ASTM B348/863, ASTM F67/136. 2 ... , TC3, TC4, TC6, TC9, TC10, TC11, TC12, TC17, TC21.ASTM: Gr1,Gr2,Gr3,Gr4,Gr5,Ti6Al4V ELI,Gr7,Gr9,Gr12, Gr23Ti-6Al ... , etc.StandardGB/T13810-2007, GB/T2965-2007ASTM B 348, ASTM F 67, ASTM F 136, AMS 4928, MIL 4911, ISO 5832-2 ...