... 4)Gr1,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. ... Packingplywood case as outside, or according to client's demand Titanium pipe for heat changerGradeDiameter(mm) thickness(mm) statestandard GR1GR2 ...