... :Gr1, Gr2, Gr5, Gr7, Gr9, Gr12, Gr23 Product Description ti bar1. Grade: Gr1, Gr2, Gr5, Gr7, Gr9, Gr12, ... degree celsius to form. (5)Alloy grade 5(Ti-6AL-4V)widely used in the titanium alloys because ... properties. (6)Alloy grade 7 add little palladium in cp titanium and it has the most excellent corrosion-resistance, ... course it costs higher. (7)Alloy grade 9(Ti-3AL-2.5V)is the most widely uesd in the ...