Type 431 martensitic stainless steel,Website:http://www.sasametal.com,ASTM A276,431SS,AISI 431,T431 SS,UNS S43100,16Chromium with Ni Ferritic stainless steel bar include,410 Stainless Steel Round Bar,416 Stainless Steel Round Bar,420 Stainless Steel Round Bar,440C Stainless Steel Round Bar,ss 410 round barC%Si%Mn%P%S%Cr%Ni%N%Mo%Cu%≤0.20≤1.0≤1.0≤0.040≤0.03015.0-17.01.25-2.50-----T*SY*SHardnessElongation(Mpa)(Mpa)HRBHB(%)≥415≥207-- --≥45Specifications of 431 ss bar:StandardASTM A276, A484, A479, A580, A582, JIS G4303, JIS G4311,DIN 1654-5,DIN 17440,KS D3706,GB/T 1220Material201,202,205,XM-19 etc. 301,303,304,304L,304H,309S,310S,314,316,316L,316Ti,317,321,321H,329,330,348 etc. 409,410,416,420,430,430F,431,440 2205,2507,S31803,2209,630,631,15-5PH,17-4PH,17-7PH,904L,F51,F55,253MA etc.SurfaceBright,Polishing,Pickled,Peeled,Black,Grinding,Hairline etcTechnologyCold Drawn,Hot Rolled,ForgedSpecificationsSize: 3mm~400mm Length:5.8m,6m or as requiredToleranceH9, H11, H13, K9, K11, K13 or as requiredMore grade details of stainless steel shafts:TypeGradeGradeChemical Component %CCrNiMnPSMoSiCuNOtherAustenitic stainless