... etc. Diameter: 3~60mm. Length:Can be customized stainless steel round bar/stainless steel bar Shape: Round, Square, Angle, Flat, Hexagonal.Standard: ASTM, ... 310S, 321.400 Series - 410(1Cr13), 420(2Cr13), 430(1Cr17) Popular Use: Machine industry process, Chemical industry, ... Architecture, Food industry, Auto-industry, Household products. Shape Round, Square, Angle, Flat, Hexagonal.Standard ASTM, EN, BS ...