... ,Gr7,Gr9,Gr10,Gr11,Gr12 3)ASTM B338,ASTM B337,ASME SB338,ASTM B861 4)Dia2~114mm Titanium pipeMaterialUnalloy titanium and alloy titaniumGradeGr1,Gr2,Gr3 ... )Wall Thickness(mm) ASTM B338ASME SB338 ASTM B337ASTM B8613~50.2,0.3,0.5,0.6>5~100.3, 0.5,0.6,0 ... ,1.5, 2.0,2.5,3.0,3.5>40~501.25,1.5, 2.0,2.5,3.0,3.5>50~601.5, 2 ... ~801.5, 2.0,2.5,3.0,3.5,4.0,4.5>80~1142.5,3.0,3.5,4.0,4.5160.5,0 ...