... ,Gr2,Gr3,Gr4,Gr5,Gr6,Gr12 Titanium Tube MaterialUnalloyed titanium and alloy titanium GradeGr1,Gr2,Gr3,Gr4,Gr5,Gr6,Gr7,Gr9 ... 's demandFeaturesu Toughness, light weight,u High property of acid and alkali resistance, u Bear high & low temperature, etc. Applicationsl Different ... ~200.5~2.0M>20~300.5~2.0M Gr1 and Gr2 Titanium seamless tube