... Titanium Tubes: Grade:GR1,GR2,GR5(Ti6AL4V),GR7,GR12 Standard:ASTM AMSE Outer Dia:4mm~320mm, L< 15m Wall Thickness:0. Titanium Tubes: Grade:GR1,GR2 ... Gr2, Gr3, Gr4, Gr5, Gr7, Gr9, Gr11, Gr12 , Gr23,TI6AL4V ELI etc. Standard: ASTM B337/338 AMSE SB337 /338 ASTM ... fluid,transmission pipeline system, titanium bicycle tube,automobile exhaust pipe,offshore aquaculture. Package of titanium tube and pipe: Outer ...