Gr2 Titanium tube 1:Standard:ASTMB337,ASTMB338,GB/T3624-1995... 2:Material:Gr1,Gr2,Gr3,Gr5,Gr6,Gr7,Gr9... 3:ISO9001 Gr2 Titanium tube: Grade: GR1 GR2 GR6, GR7, GR9, GR12,GR16 etcSize(mm): diameter (3-114)*(0.2-6.0)W*L18000Standard: ASTMB337 ASTMB338 (ASME), ASME SB338 TITANIUM SEAMLESS TUBESpecification and Standard for Titanium Seamless Tubes and Its Alloys:DescriptionGradeSize (mm) ...