常见钢种的相变临界点

各类钢的相变临界点（C）种 冈号 冈AcArAc3ArsM碳素结构钢23768078854480O72428678o58302377673879680353720680087o53724680790760360724286807o5350527o9676072032055727o96775o9260727o96667743o27657276962730o275277o3258327o96737596220n M637286o58538w452748537567287965536279867908720660760320727986567280720986567o27合金结构钢7303358637762787278033o363o752336276677357o6477720320730w8582o7o56760680523a20C6677538997390a30c7o67o8o53a537597360a743396287730553a7660790396553a50c537807a60740760740396807730o52807820303807860o53367680o85303760852330No96o8563577730350N5275320o820524586w8oo967603o67oo3o67oo3566740w3o56720567o7o6567o53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)80045B72569077072028050B74067079071928060B74074527040MnB73065078070045MnB72778060MnB71074028020Mn2B73061385373640CrB68780040MnWB73663080069532040CrMnB72967678574018CrMnMoB74084020SiMnVB72669986677922CrMnWMoTiB74445086251326720CrMnMoVB67585078025MnTiBRE72066584576539512CrlMoV78082540035CrMoV78482035645CrMoV75083032025Cr2MoVA76068584077534025CrMnV73582042015CrMn2SiMo73280535920CrMnNiMo71083041030CrNi2MoV71679630030CrNi3MoV74079032030CrMn2MoNb76540130535MnMoW V74029035CrMn2MoNb72578032035CrMnMoWV73082049032037SiMn2MoVA729823(210)40CrMnNiMo69078029030CrMnWMoNbV720(515)82535512WMoVSiRE83580494088038055CrMnVA75068678774527555SiMnMoV74561081569028055SiMnMoVNb73061076566029260SiMnMo70076026460Si2Mo74079026060Si277583030055Si2MnB77069082574528955SiMnB74064878068024060Si2Mn75570081077030550CrMnV72077029060CrMnMo700655805轴 承 钢GC6727760192GCr9730690887-721205GCr15745700900245GCr15SiMn740708872205钢种钢号Ac1Ar1Ac3Ar3Ms工 具 钢Crl2MoV830855185T8730700740245T10730700800175210T9730190230Tll730170195T12735190200T1372070074090 190T10Mn27108501253Cr2W4V8203103Cr2W8V8209254205Crmnmo7106507606802255CrNiMo7106807702155CrNiW7308202055CrMnMoV730735Cr2、7457009002409Cr17402309Cr27406808402709V725VTi740670760680250V7307007702009Sicr770730870170W2740710820W1740710820CrMnSI7307009309Mn2V736652765688125CrW3760205CrW57607259CrWMn760205SiMn760708865240CrWMn750710940245CrMn740980110CrW V815625180Cr5MoV790180Cr128107601200180Cr12Mo8107604Cr5MoVSi8409207209127732704Cr5MoVISi860775915815340CrMn740700980245C067307009507409Cr27307008602704CYW2Si7808403155CrW2Si7758602956CrW2Si775810280C6VWV8156258457751509Mn2720750650680Cr4W2MoV7957609001426W6Mo5Cr4V820730240Cr2Mn2WMoV7706401904CrVSi7657258303305SiMnMoV7647884Cr5W2VSi875730915840275钢种钢号Ac1Ar1Ac3Ar3Ms工 具 钢SiMnMo7356767707207Cr4W3Mo2VNb8108307407602204Cr4Mo2W VSi8306709107502555Cr4Mo2W5V8367448938165Cr4Mo2W2VSi8107008857852904Cr3Mo3W2V8507359308254004Cr3Mo3W4VTiNb821752880850高 速 钢W9Cr4V2810760200W12Cr4V2825890210W18Cr4V8207601330190W18Cr4VCo5830185W10Cr4V4Co5820170W6Mo5Cr4V2835770885820W6Mo5Cr4V2Co5820180W10Mo4Cr4V3Al830860890115不锈钢耐热钢OCr138209053701Crl38257008508203402Cr138207809502802Cr13Ni27067803203Cr138207802403Cr13Si8302704Cr138207801100270Cr178758101604CrlOSi2Mo8507509CA883081025Cr2MoV76068084077025Cr2Mol VA7807008707904Cr3Si48327698928214Cr10Si2Mo850700950845名称数值1圆周率n=3.14159272自然对数的底e = 2.71828183普朗克常量h=6.626176X10-34j s=6.626176X 10-27erg s4阿伏加德罗常数NA=6.022045 X 1023mo1-15玻耳兹曼常数k= 1.380662 X 10-23J /K= 1.380662 X 10-16erg/K6绝对零度-273.15C7摩尔（克分子）气体常数R=8.31441 J / (mol K)=8.31441X107 erg/(mol. K)8理想气体标准状态摩尔体积Vm=22.41383X 10-3M3/mol=22.41383 L/mol