... Wall Thickness:0.4~10mmTitanium tubes and pipe:Material:Gr1, Gr2, Gr3, Gr4, Gr5, Gr7, Gr9, Gr11, Gr12 , Gr23,TI6AL4V ... -resistance. Of course it costs higher. Alloy grade 9, ti-3al-2.5v, is the most widely used in the ... of corrosive fluid,transmission pipeline system, titanium bicycle tube,automobile exhaust pipe,offshore aquaculture. Package of titanium tube and pipe: Outer cover with plastic ...