... Titanium tube 1:Standard:ASTMB337,ASTMB338,GB/T3624-1995... 2:Material:Gr1,Gr2,Gr3,Gr5,Gr6,Gr7,Gr9... 3:ISO9001 ... , GR9, GR12,GR16 etcSize(mm): diameter (3-114)*(0.2-6.0)W*L18000Standard: ASTMB337 ASTMB338 (ASME), ASME SB338 TITANIUM ... GR2 GR3 GR7 GR9 GR12 GR16 GR17OD(3-114)*WT(0.2-6.0)*LGB/T3624-95 GB/T3625-95ASTM B861 ... TubeGR1 GR2 GR3 GR7 GR9 GR12 GR16 GR17OD(10-159)*WT(0.5-5.0)*GB/T3624-95 GB/T3625- ...