常见钢种的相变临界点.doc
7页
各类钢的相变临界点（℃）钢种钢号Ac1Ar1Ac3Ar3Ms碳素结构钢08732680874854480107246828768503073267781379638035720680800774350407246807907603604572468278075135050725690760720320557276907747552906072769076674327065727696752730270757257752308572369073769522016Mn73668285083541020Mn72584030Mn73567581279635540Mn72668979076850Mn72066076032060Mn72768976574128065Mn720689765741270合金结构钢20Mn273061385373630NIn270062781572738035Mn271363079371032540Mn271362776670434045NIn271564077072032044Mn2Si73081028550W271065076068032520Cr76670283579939030Cr77567081035035Cr74579536040Cr74369378273035545Cr74566079069335550Cr73578060Cr74076038CrA74069378073025045Cr378082033030CrSiMo78086035038CrSi76368081075533040CrSi76081532530Ni69081036540Ni71577033050Ni725755320lONi271082042512Ni368581045025Ni369076034030Ni367075031035Ni367075031040Ni366574031060Ni4650720lONi561577512Ni561077513Ni5610765350钢种钢号Ac1Ar1Ac3Ar3Ms合金结构钢15NiMo72565080075033040Ni5650710.26050Ni5650240lONi970070027SiMn75088075035535SiMn73569079533015SiMn3MoA68032786039629020MnMo73084538030MnMo71581538MnMo72082045MnMo72579080040015MnTi73461586577939020MnV72084020MnVB72084009MnVRE64080073032014MnVTlRE72588535Mn2V71577032042Mn2V72577031045Mn2Si76081529038CrSi74081033040CrSi76081532515CrMn75084540020CrMn75084540040CrMn74077535050CrMn74078530035CrMn273063077568030050CrMn273076029015Crmo72088015CrV75587043520CrMo75584038025CrMo75083036530CrMo75769380776334535CrMo75569580075027138CrMo76078032042CrMo73078045CrMo73080031050CrMo72576029038CrMoAl80094029020Cr2Mn2MoA76165582573531012Cr1Mo79090038025Cr3Mo77083536030CrV76582035540CrV76584034045CrV73578031550CrV75268878074627035Cr2V76082031030CrAl78086536020CrNi72068080079041040CrNi72066077070234050CrNi735680755300钢号Ac1Ar1Ac3Ar3Ms12CrNi373567185076340520CrNi2740820375钢种钢号Ac1Ar1Ac3Ar3Ms合金结构钢20CrNi371579030030CrNi372076532037CrNi372064077027015CrNi467012Cr2Ni273582044015Cr2Ni273079045020Cr2Ni272078033012Cr2Ni467078040020Cr2Ni470577066033035Cr2Ni468576026540Cr2Ni468075024027SiMn2Mo74582034030CrMnSi76067083070536545CrMnSi79088029565MnSiV75567580270525545MnSiV73564280571829530CrMnMo73079538530CrMnSiNi2A74086035025CrMnV73582042018MnMoNb73864685275618CrMnTi74065082573036540CrMnTi76564082068031030CrSiMo78086035020CrNiMo73086038535CrNiMo73077032040CrNiMo70568074529530CrNi2Mo69578535017CrNi2Mo69081035CrNi2Mo69578031040CrNi2Mo71074530012CrNi3Mo71080038530CrNi3Mo72077032034CrNi3Mo70575029035CrNi3Mo70576031040CrNi3Mo73577012CrNi4Mo69079041035CrNi4Mo70075027035Cr2NiMo73078032020Cr2Ni4Mo71582039020Cr2Ni2V72079539030Cr2Ni2Mo74078035035Cr2Ni2Mo75079035535Cr2Ni3Mo73077029512Cr2Ni4Mo66077037018CrNi4W69580031035Cr2Ni4Mo66076030012Cr1Mo1 V79593038CrMoAlA800730940355356CrMoA177588533550CrNiMoV71079027525CrNi3MoV68080033035CrNi3MoV74079032030Mn2MoW715820340钢种钢号Ac1Ar1Ac3Ar3Ms合金结构钢20CrMnNiMo72080040020MnNiMo68584542020MnNiCu70580539040B（756）80045B72569077072028050B74067079071928060B74074527040MnB73065078070045MnB72778060MnB710。
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