Titanium pipe and tube 1.material:Gr1,Gr2,Gr3,Gr4,Gr5, ... 10mm L: <15 meters astm b338 gr2 Seamless titanium pipe and tube1.material:Gr1,Gr2,Gr3,Gr4,Gr5, GR7 GR9 GR11 ... Gr2commercially pure Titanium Gr3 pressure vessel Gr4 some fittings and fastening pieces Gr5 one of the most popular Ti ... alloys Gr7 little palladium in it Gr9golf clubs and bicycle girders Gr12 the similar properties with the grade7 ...