钢种名称不锈钢钢号1Cr152Cr133Cr131Cr18Ni9Ti4Cr13退火温度780 850780 850780 850820淬火温度1020105010501050马氏体点350350240 270回火温度℃150回火后硬度H R C5820041475257250563004046515535054400394450544505350038424950550313743456002428344065022243038钢种名称碳素结构钢碳素工具钢钢号354550T8T1240T7T10退火温度880 正860 正840 正760770淬火温度850840830780780马氏体点350340320230210回火温度℃150回火后硬度H R C52575862642005056576062250485454576030046485155573504345465153400394143474945034363842445003032343839550262830343560022242529316501820212528 钢种名称合金渗碳钢钢号20Mn2TiB18CrNiW20Cr20Cr25CrNiW18CrMnTi20SiMnV130CrMnMoTi退火温度900正900正900正940正850淬火温度860860880800850马氏体点360310380300回火温度℃150回火后硬度H R C44454763502004244455948250414342564530040424054433503941385340400394051384503839493650036374634550323330600283027650252624钢种名称模具钢钢号Cr12型3Cr2W85CrMnMo8Cr3Cr9Si25CrNiMo7Cr3退火温度860820850830800淬火温度100010808508701070马氏体点220360220220回火温度℃150回火后硬度H R C6352596262200614958606125060485659603005948535859350584751565840058464853544505744455050500564542474755053483945436005045354139 钢种名称调质钢钢号30CrNi335CrMnSi37CrNiB40Cr45Cr30CrMnNi2MoV30CrMnSi35CrMo50B45Mn2退火温度820860820840840淬火温度860880860850850马氏体点300360270320310回火温度℃150回火后硬度H R C51545154562005053505154250485148485330046484647513504446434649400424441434845039413942465003538373844550323534344060027282931356502527252528钢种名称调质钢钢号40B40MnB40CrNiMoA40CrN退火温度870正840880880正淬火温度850850850850马氏体点320320310310回火温度℃150回火后硬度H R C5150555120050485448250474552463004343494335040404742400383744404503635413750034313833550322833286002430246502822钢种名称弹簧钢氮化钢钢号50CrV60Si2Mn65Mn38CrAl55Si2Mn60Mn38CrMoAl退火温度860810810950正淬火温度860860810940马氏体点300300270360回火温度℃150回火后硬度H R C5762615720055595855250535756533005155545135048515048400464847464504345434350040413840550363734366003233303465030312630 钢种名称合金刃具钢轴承钢钢号9CrSiCrMnSiMnGCr15GCr15SiMnCrWMnCrW5Cr20退火温度800790800790790淬火温度860840850850830马氏体点170250240240200回火温度℃150回火后硬度H R C6464656364200636263616325061606159623005958595559350565556525340054535449514505150514550048474841550444344366004039402865036353626钢种名称弹簧钢氮化钢钢号50CrV60Si2Mn65Mn38CrAl55Si2Mn60Mn38CrMoAl退火温度860810810950正淬火温度860860810940马氏体点300300270360回火温度℃150回火后硬度H R C5762615720055595855250535756533005155545135048515048400464847464504345434350040413840550363734366003233303465030312630 信息来源：网络声明：本文所用图片、文字部分源于网络，目的为非商业性知识分享，版权仍属于原作者，如信息有误或涉及版权问题，请第一时间通知，我们将立即处理！来源：材子笔记