Specifications 1.Grade:gr1, gr2, gr3, gr5, gr7, gr9 2.Standard:astm b337, astm b338, astm b861, astm b862 3.Size:od:1.5~420mm, wt:0.3~16mm (10-120)×(0.4-10)×l (od×thk×l) Normal spec 1)od12.7×0.889×l 2)od15.88×0.889×l 3)od19.05×0.55×l 4)od12.7×0.55×l 5)od25.4×1.0xl Applications (1)heat exchangers and condensers (2)corrosive fluid transmission pipeline system (3)titanium bicycle tube, automobile exhaust pipe (4)offshore aquaculture Astm b861 gr2 seamless titanium pipe /tube for automobile exhaust tube chemical requirements NCHFeOAlVPaMoNi Gr 10.030.080.0150.200.18///// Gr 20.030.080.0150.300.25///// Gr 30.050.080.0150.300.35///// Gr 50.050.080.0150.400.205.5~6.753.5~4.5/// Gr 70.030.080.0150.300.25//0.12~0.25// Gr 90.030.080.0150.250.152.5~3.52.0~3.0/// Gr120.030.080.0150.300.25///0.2~0.40.6~0.9