Titanium Disc, Titanium Ring, titanium forging Shanghai LTM industry Co., LTD, LTMTi GROUP, LTM ... supplier in the world. LTM TITANIUM manufacture Titanium Disc, Titanium Ring. Standard: ASTM B381, ASME SB381, AMS, MIL, DIN, BS, JIS ... ): diameter 50-1300; max length: 1500mm; (4)Titanium ring size (mm): ID: 30-2900; OD: 50-3000; maximum length: 700mm; ...