... " we are largest manufacturer , stockist & supplier of all type of round bars specialist in stainless steel : 440a, 440b, 440c, 202, 201 ... , 310, 317, 317l, 410, 420, 430, ...The size is from 30-90mm We manufacture according to the ISO standard, DIN,BS, ASTM, GOST ... . APPLICATIONS - Frames, Brackets, Shafts, Ornamental Work, Etc. AISI 304 stainless round steel bar