Seamless titanium alloy tube and pipe 1.material:Gr1,Gr2,Gr3,Gr4,Gr5, GR7 GR9 GR11 ... etc 2.standard:ASTM SB861, ASME B337 Seamless titanium alloy tube and pipe1.material:Gr1,Gr2,Gr3,Gr4,Gr5, GR7 GR9 ... !Tel:86-10-89243065Fax:86-10-89243047 Seamless titanium alloy tube and pipe