SUS431 SUS416 SUS430F stainless steel SS round bar JIS G4303 ITEM Stainless Steel Bar / Stainless Steel Rod Type Stainless Steel Round Bar Rod Grade 201 202 304 304L 316 316L 309 310 310S 409L 410 420 430 904L 2205 2507 Surface Finish Polish,Black,bright,rough...