... 2)Grade:Gr1,Gr2,Gr3,Gr5,Gr9,Gr23 Titanium alloy screw 1. SpecificationsMaterial Titanium, Titanium alloyOrigin Henan Grade Gr1,Gr2,Gr3,Gr5,Gr9,Gr23 ... 0.05 Standard DIN, ASTM, BS 2.The density of titanium is 4.506-4.516g/cm^3, melting point is ...