titanium tube Material:titanium Gr1,Gr2,Gr3,Gr5,Gr7,Gr9 standard:ASTM B338 certification:ISO9001:2000 Name:Titanium tubeMaterial:Gr1 Gr2 Gr3 Gr7 Gr9 Gr12 Gr23Specification:OD4.0---144mm WT0.3---20mmStandard: ASTM B338,GB/T3624,GB/T3625Characteristics:Unique corrosion resistance,Light weight, High strength,High performance and so forth.State: Y or M Heat exchanger Titanium tube