... 1.420F stainless steel round bar 2.stainless steel round bar 3.stainless steel bar 4.round bar 1.420F stainless steel ... 150mm Surface:bright or black Length:according to client's request quality:superio420F stainless steel round barSize: 8mm- ... steel products.Materials: 303,304,304 L, 310,310 S, 316,316 321,430,430 F, L, 431 ... ,410,410 S, 416,420,420 F.Standard: AISI, ASTM, GB, ...