... Titanium Round Bar, Titanium Square Bar, Titanium Hexagon Bar,Titanium Flat Bar. Standard: ASTM B348, ASME SB348, AMS, MIL, DIN, BS, JIS, GB/T, ISO, etc. Grade: Gr1, Gr2 ... , Gr3, Gr4, Gr5, Gr6, Gr7, Gr9, Gr11, Gr12, Gr23, (1) Titanium Round Bar size (mm): diameter 5-350 ...