... 3.Grade: Gr1,Gr2,Gr3,Gr4,Gr7,Gr9 Grade:Gr1,Gr2,Gr3,Gr4,Gr7,Gr9,GR11Standard:ASTM B 337 ,ASTM B338, ... automobile exhaust pipes4. offshore aquaculture Item Namegr9 titanium pipe Grade of materialGr1 Gr2 Gr9 TA1 TA2 TC4Dimmension (MM)OD10-120*0.4 ... 2)All kinds of corrosive fluid transmission pipeline system(3)Titanium bicycle tube, automobile exhaust pipe(4)Offshore aquacultureCooperative clients SAMSUNG ...