20Cr13不锈钢圆棒化学成分：碳C：0.16～0.25硅Si：≤1.00锰Mn：≤1.00硫S：≤0.030磷P：≤0.035铬Cr：12.00～14.00镍Ni：允许含有≤0.6020Cr13不锈钢圆棒力学性能：抗拉强度σb(MPa)：淬火回火,≥635条件屈服强度σ0.2(MPa)：淬火回火,≥440伸长率δ5(％)：淬火回火,≥20断面收缩率ψ(％)：淬火回火,≥50冲击功Akv(J)：淬火回火,≥63硬度：退火,≤223HB;淬火回火,≥192HB20Cr13不锈钢圆棒热处理规范：1)退火,800～900℃缓冷或约750℃快冷;2)淬火,920～980℃油冷;3)回火,600～750℃快冷。金相***：***特征为马氏体型。★欧洲标准化***会(CEN)不锈钢和耐热钢:X2CrNi12X2CrTi12X6CrNiTi12X6Cr13X6CrAl13X2CrTi17X6Cr17X3CrTi17X1CrNb15X3CrNb17X6CrMo17-1X6CrMoS17X2CrMoTi17-1X2CrMoTi18-2X2CrMoTiS18-2X6CrNi17-1X5CrNiMoTi15-2X6CrMoNb17-1X2CrNbZr17X2CrTiNb18X2CrMoTi29-41.40031.45121.45161.40001.40021.45201.40161.45101.45951.45111.41131.41051.45131.45211.45231.40171.45891.45261.45901.45091.4592X12Cr13X12CrS13X15Cr13X20Cr13X30Cr13X29CrS13X39Cr13X46Cr13X46CrS13X38CrMo14X55CrMo14X50CrMoV15X70CrMo15X40CrMoVN16-2X14CrMoS17X39CrMo17-1X105CrMo17X90CrMoV18X17CrNi16-2X1CrNiMoCu12-5-2X2CrNiMoV13-5-2X3CrNiMo13-4X4CrNiMo16-5-1X1CrNiMoAlTi12-9-2X1CrNiMoAlTi12-10-2X5CrNiCuNb16-4X7CrNiAl17-7X5CrNiMoCuNb14-5X5NiCrTiMoVB25-15-21.40061.40051.40241.40211.40281.40291.40311.40341.40351.44191.41101.41161.41091.41231.41041.41221.41251.41121.40571.44221.44231.44151.43131.44181.45301.45961.45421.45681.45941.4606X5CrNi17-7X10CrNi18-8X9CrNi18-9X2CrNiN18-7X2CrNi18-9X2CrNi19-11X5CrNiN19-9X2CrNiN18-10X5CrNi18-10X8CrNiS18-9X6CrNiTi18-10X6CrNiNb18-10X4CrNi18-12X1CrNi25-21X2CrNiMo17-12-2X2CrNiMoN17-11-2X5CrNiMo17-12-2X1CrNiMoN25-22-2X6CrNiMoTi17-12-2X6CrNiMoNb17-12-2X2CrNiMo17-12-3X2CrNiMoN17-13-3X3CrNiMo17-13-3X3CrNiMo18-12-3X2CrNiMo18-14-3X2CrNiMoN18-12-4X2CrNiMo18-15-4X2CrNiMoN17-13-5X1CrNiMoCuN24-22-8X1CrNiSi18-15-4X11CrNiMnN19-8-6X12CrMnNiN17-7-5X2CrMnNiN)