Seamless titanium alloy tube and pipe 1.material:Gr1,Gr2,Gr3,Gr4,Gr5 ... 2.standard:ASTM SB861, ASME B337 Seamless titanium alloy tube and pipe 1.material:Gr1,Gr2,Gr3,Gr4,Gr5, GR7 ... 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 ...