... 3-15) 2)Material: Gr1,Gr2,Gr3,Gr5 3)Quality guarantee 4)In large stock... Titanium exhaust pipe/tube1.Standards: ... ASTM B862 GB/T 3624,GB/T 3625 2.Material:Gr1, Gr2, Gr3, Gr7, Gr9, Gr11, Gr12, Gr16, ... .------More than10 year's experience, exported various of titanium products over than 2000 T yearly8.Quality Assurance ... ASTM B862 GB/T 3624,GB/T 3625 2.Material:Gr1, Gr2, Gr3, Gr7, Gr9, Gr11, Gr12, Gr16, ...