seamless titanium tube 1.material:Gr1,Gr2,Gr3,Gr4,Gr5, GR7 ... standard:ASTM B/ASME SB861,337 and 338 ASTMB338 seamless titanium tubing1.materia:Gr1,Gr2,Gr3,Gr4,Gr5, GR7 GR9 ... .4-10mm4. ApplicationsMaterials Applications Gr1deep drawing parts Gr2commercially pure Titanium Gr3 pressure vessel Gr4 some fittings and fastening pieces Gr5 ... !Tel:86-10-89243065Fax:86-10-89243047 ASTMB338 seamless titanium tubing