... certificated company, which is the leading titanium manufactory and supplier in the world. LTM TITANIUM manufacture Titanium Disc, Titanium Ring. Standard: ASTM B381, ASME SB381 ... , Gr3, Gr4, Gr5, Gr6, Gr7, Gr9, Gr11, Gr12, Gr23, (3)Titanium disc size (mm): diameter 50-1300; max length: 1500mm; (4 ...