... GR6, GR7, GR9, GR12,GR16 titanium seamless tubetitanium seamless pipeASTM B861 GR2 Rolled Seamless Tube:Grade: GR1 GR2 GR6, GR7, ... ASTMB337 ASTMB338 (ASME), ASME SB338 TITANIUM SEAMLESS TUBESpecification and Standard for Titanium Seamless Tubes and Its Alloys:DescriptionGradeSize (mm) ... 0-30) WLQ/BS5631-95 Quality Test of Titanium Seamless Tube: QUALITY TEST OF TITANIUM AND TITANIUM ALLOY ...