... (third party inspection institution:CIQ,SGS,ITS,BV,etc)Characteristic12Cr13) Stainless Steel Round Barσ0.2kgf/mm2(N/ mm2)σb kgf/mm2 ... (1.4024) / AISI 410S21 403S17 / NF Z12C131) Utilized in axle,cylinder rod,pump,nitric acid processing2) acetic acid processing, light manufacturing ... and requires a certain scissors corrosion resistant capability of bearing steel, valves, and spring etc