Standard:ASTM B265,GB/T 3621 Material: Gr1,Gr2,Gr3,Gr5,Gr9,Gr11,TA1,TA2,TA9,etc. Used in various types of titanium equipment ... . Material: Gr1, Gr2, Gr3, Gr5, Gr9, Gr11, TA1, TA2, TA9, TA10, ... exchange membrane, divide slot, Titanium anodes of boards, basket, Leisure Products(Titanium Case, first-class golf), Used with other metals (copper etc.) ...