... -500mm 4.Good corrosion resistance 5.best quality. Description431(1Cr17Ni2) Stainless Steel Round BarGrade AISI, ASTM, BS, DIN, GB, JISChemical ... and equipment. ApplicationGB 4Cr5MoSiV1/AISI H13/DIN1.2344/JIS SKD61Alloy Tool Steel/ Hot Work Mould Steel/Alloy Steel Round Bar ... /Tool Steel1) Utilized in axle,cylinder rod,pump,nitric acid processing2) ...