1.ASTM B338 Gr2 welding titanium tube 2. Gr1,Gr2,Gr9,Gr12 3. ASTM B338,ASME SB338,ASTM B861 4. pass ISO9001, SGS, 1.ASTM B338 Gr2 welding titanium tube2. Gr1,Gr2,Gr9,Gr123. ASTM B338,ASME SB338,ASTM B8614. pass ISO9001, SGS,ASTM B338 Gr2 welding titanium tube,seamless titanium tubeStandard:ASTM B337 ASTM B338 ASTM B861Material Grade : Gr1, Gr2, Gr9, Gr12Type : seamless titanium tube or welding ...