钢的临界温度参考值(第6版)

1钢的临界温度参考值第6版）东北特殊钢集团徐效谦整理2钢的临界温度参考值(第6版)单位：℃牌号Ac1Ac3Ar1Ar3Ms碳素结构钢087328907008544801073087568085515735863685840450207358556808652573584068082438030732813677796380357248026807743604072479068076034045725770690720336507257606907213005572777469075529060727766690743265657277526967302657073073769572724075725740690727230807257306907272308572373769069522015Mn73586368584016Mn73685068283541020Mn73585468283542025Mn73583068080030Mn73481267579635535Mn73080068077040Mn726790689768Y40Mn73180728045Mn72677068976850Mn72076066032060Mn72776568974128065Mn72676568974127070Mn723740680合金结构钢10Mn272083062071020Mn272584061074040030Mn271880462772136035Mn271379363071032540Mn271376662770432045Mn271176562670432050Mn271076059668032008Mn2Si7359053003牌号Ac1Ac3Ar1Ar3Ms15Mn2SiCrMo72585538045MnSiV73580564271829518MnMoNb73685064675637020MnMo73083968572938030MnMo71581538MnMo72082045MnMo72579040030Mn2MoWA72084533035MnMoWV74039045MnMoV72779124018MnMoNb76385064675615MnNi70785820MnNiCu70580539015MnNiMo71485420MnNiMo68584542015MnTiRE73486561577939009MnVRE64080073032012MnV73486561577915MnV72085063578020MnV73085363075041525Mn2V72483962071036535Mn2V71577032042Mn2V72577031045Mn2V72577031014MnMoV71072788090856166576380014MnVTiRE72588520SiMn73284027SiMn75088075035535SiMn73579569033040SiMn76081529042SiMn74080064571533044Mn2Si73081028550SiMn71079763670330527Si2Mn2Mo74582034032Si2Mn2MoA(防弹钢)72789162077431515SiMn3MoA68086032739629015SiMn3MoWV(A)68583034541536020SiMn2MoV72787764081633025SiMn2MoV72786664078531930SiMn2MoVA72584563072531030Si2Mn2MoWV73979831035SiMn2MoV7357803064牌号Ac1Ac3Ar1Ar3Ms37SiMn2MoV72982331437SiMn2MoWV72083535051029040SiMn2MoWV72283629042SiMnMoV75587029535B73080269179140B73079069072745B72577069072028050B(A)74079067071928060B74074527015MnB72084741020Mn2B73085361373638030Mn2B72678640MnB73078065070032540MnBRE72580534045MnB72778060MnB71074028012MoVWBSiRE83594080488014MnMoVBRE75790070077320MnMoB74085069075030Mn2MoB73480030Mn2MoTiB(A)73381464069840MnMoB72480565273720MnTiB(RE)71584362579539520Mn2TiB70887060570525MnTiBRE70881060570539115MnVB73084063577043020MnVB72084063577043540MnVB73077463968140MnWB73680063069532020SiMnVB72686669977922SiMnMoWTiB74486240CrB74177740CrMnB72978567635018CrMnMoB74084020CrMnMoVB85067578040CrMnMoVBA73479222CrMnWMoTiB74486245051326710CrNiMoVB72487612Cr2MoWVTiB82084595098073074083085542012Cr3MoVSiTiB84095837415CrMoVB75689618CrMn2MoBA7418543205牌号Ac1Ac3Ar1Ar3Ms18Cr2Mn2MoB74184018Cr2Mn2MoTiB77086020Cr1Mo1VNbB82790979386225CrMnMoTiB76585165375640330Cr2MnMoB72481515Cr76683870279920Cr76583670279939030Cr77581067035535Cr74579567036038CrA74078069373035030CrA178086536038CrA176088567574036040Cr74380569373035545Cr74579066069335550Cr73578066069325060Cr74076045Cr378082033015CrMn75084569040020CrMn76583570079836040CrMn74077569035050CrMn74078530035CrMn273077563068030050CrMn273076029018CrMnNiMo73079549069038020CrMnNiMo72080040040CrMnNiMo39078029030CrMnMoTiA75583035035CrMnMoWV73082049032030CrMn2MoNb76540130535CrMn2MoNb72578032020CrMnSi(A)75584069020Cr2Mn2SiMo(A)72583561570030525CrMnSi(A)76088068030530CrMnSi(A)76083067070536035CrMnSi(A)77583070075533040CrMnSiMoVA78083028840CrMnSiNiMo69580033045CrMnSi(A)79088029550CrMnSiMo79081527515CrMn2SiMoA73280538947836014CrMnSiNi2MoA72480560769036430CrMnSiNi2A(超高强钢)7507608058303103206牌号Ac1Ac3Ar1Ar3Ms18CrMnTi73082069036520CrMnTi74082568073036030CrMnTi76579066074040CrMnTi76582064068031025CrMnV73582042035CrSi75583071534038CrSi76381068075533040CrSi76081571532516CrSiNi74584539030CrSiMo78086035040CrSi2Ni2MoA74880229016Mo73587590061083042020Mo72684542030Mo72482539012CrMo72088069579012Cr1Mo79090038015CrMo74584569579043520CrMo74584050474638025CrMo75083066574536530CrMo75780769376334535CrMo75580069575032038CrMo76078032042CrMo73078069031045CrMo73080031050CrMo72576029025Cr3Mo77083536030Cr3MoA(渗碳、渗氮钢)76581033538CrMoAlA(渗碳、渗氮钢)76088567574036015CrMnMo71083062074020CrMnMo71083062074024930CrMnMo73079538540CrMnMo73277464024620Cr2Mn2MoA76182865573531030CrMnMoTiA75583035030CrMnWMoNbV72082551535512CrMoV79090077486512CrlMoV77480388291476178783089540012CrlMo1V79593015CrMnMoVA77087067478037617CrMo1V78380388592274178581183820Cr1Mo1VNbB82790979386220CrMoWV8009303307牌号Ac1Ac3Ar1Ar3Ms20Cr3MoWVA82093069079033024CrMoV79084068079025Cr2MoV77084069078034025Cr2MolVA78087070079030Cr2MoV78183371174733032Cr3MoVA(渗碳、氮钢)79583531035CrMoVA75583560035635Cr1Mo2V77089527038Cr2Mo2VA(超高强钢)78085032045CrMoV75083032055CrMoV75579068071526530Ni69081036540Ni71577033050Ni72575532015NiMo72580065075033010Ni271082042512Ni368581045025Ni369076034030Ni367075031035Ni367075031040Ni366574031060Ni465072010Ni561577513Ni561076535040Ni565071036050Ni565024015NiMo72580065075033012CrNi71583067020CrNi72080068079041040CrNi73077066070230545CrNi72577568031050CrNi72577068030012CrNi2A73279467176339512CrNi3A(渗碳、渗氮钢)71082066038020CrNi3A70076050063034030CrNi3A69978065032037CrNi3A71077064028018CrNi4A(渗碳、渗氮钢)70578057067036020Cr2Ni2V72079539012Cr2Ni4A(渗碳、渗氮钢)67078060567539020Cr2Ni4A68577558563030535Cr2Ni4A6857606216493208牌号Ac1Ac3Ar1Ar3Ms40Cr2Ni468075024020CrNiMo72581039630CrNiMo73077534035CrNiMo73081034040CrNiMoA72079068032017CrNi2Mo69081030CrNi2Mo69578535035CrNi2Mo69578031040CrNi2Mo68077530012CrNi3Mo71080038516CrNi3MoA(渗碳、氮钢)69577032025CrNi3MoAl74078029030CrNi3Mo68077031035CrNi3Mo70576031012CrNi4Mo69079037030CrNi4MoA70074032535CrNi4Mo70075027035Cr2NiMo73078032030Cr2Ni2Mo74078035035Cr2Ni2Mo75079035512Cr2Ni3Mo69078535Cr2Ni3Mo73077039512Cr2Ni4Mo66077037018Cr2Ni4Mo70081037020Cr2Ni4Mo71582039035Cr2Ni4MoA(超高强钢)72076520045CrNiMoVA72079065027530CrNi2MoVA72578064032025CrNi3MoV68080033030CrNi3MoV74079032035CrNi3MoV72578032032CrNi2MoTiA(防弹钢)72577431815CrV75587077043520CrV76684070478243530CrV76582035540CrV75579070074534045CrV74078074631550CrVA75278068874630035Cr2V76085031035CrW75081037018CrNiWA69580031030CrNiWA7208003509牌号Ac1Ac3(Accm)Ar1Ar3(Arcm)Ms30CrNi2WVA70678532018Cr2Ni4WA(渗碳、氮钢)69581035040031025Cr2Ni4WA68577030029035Cr2Ni4W66076030016Co14Ni10Cr2MoE60080031032012WMoVSiRE835940804880380非调质钢LF10MnSiTi795862696LF10Mn2VTiB654840623714405LF20Mn2V715845394GF30Mn2SiV720798608702GF32Mn2SiV720798343YF35V715800350YF35MnV708798351YF35MnVN735818639731296F40MnV746796667755YF40MnV725800619714320F40MnV(Ti)728815632694405GF40SiMnVS735800345F45V749800680747310YF45V740797310YF45MnV740790260碳素工具钢T7(A)725765700280T8(A)730750700220T8Mn(A)725690T9(A)730760700190T10(A)730(800)700200T11(A)730(810)700185T12(A)730(820)700200T13(A)730(830)700190T10Mn2710(850)125合金工具钢SM1CrNi3(P6)7208106007154091Ni3Mn2MoCuAl6758213825172702Cr3Mo2NiVSi776851672Y20CrNi3MnMoAl(P21)7407802903Cr2MoWVNi8168332683Cr2MnNiMo7157702803Cr2Mo(P20)7708256407603353Cr3Mo3VNb8259207348103553Cr3Mo3W2V84092278683937310牌号Ac1Ac3(Accm)Ar1Ar3(Arcm)Ms3Cr2W4V8208406904003Cr2W8V(H21)820(925)773(838)3803Cr3Mo3VNb825920）7348103554CrMnSiMoV7928556607702904CrSi7458607252904CrSiV7658307253304CrMoVSi8509101304CrW2Si(SKS41)7808407353154CrW2VSi8008757302754Cr3Mo2MnVB8018746807593424Cr3Mo2MnVNbB7899102634Cr3Mo2MnWV7703204Cr3Mo2NiVNb7703204Cr3Mo3SiV(H10)8109107503604Cr3Mo3W2V8509307358254004Cr3Mo3W4VTiNb8218807528504Cr4Mo2WVSi8309106707502554Cr5MoSiV(H11)8539127358103104Cr5MoSiVl(H13)8609157758153404Cr5MoWSiV8359207408252904Cr5Mo2MnVSi8158932714Cr5W2VSi8759157308402755SiMn7557906905SiMnMoV(S2)7647883005Cr3MnSiMo1V(S7)7928352545Cr3W3MoSiVNb7809206657253305CrMnSiMoV7107606502155CrMnMo7107606506802205CrNiMo(L6)7307806802305CrNiMoV7408156507302105CrNiMnMoVSCa6957353053782205CrNiTi7207707002305CrNiW7308202055Cr2NiMoVSi7508746257512435Cr4Mo3SiMnVAl8379022775Cr4Mo2W2SiV8108857007852905Cr4Mo2W5V8368937448162505CrW2Si(S1)7758607252956CrSi7708307102506CrNiMnSiMoV7057405806051746Cr4Mo3Ni2WV7378226501806CrW2Si77581072528011牌号Ac1Ac3(Accm)Ar1Ar3(Arcm)Ms6Cr4W3Mo2VNb8207302206Cr6W3MoVSi875(905)7557902506W6Mo5Cr4V8207302407MnSi27507752157CrSiMnMoV7768346947322117Cr4W3Mo2VNb8108307407602207Cr7Mo3V2Si(LD1)876(925)725(816)1057Cr4W7MoV7851848Cr2MnMoWVS7708206607108Cr37858307507703708CrV7407617002159Mn2710(760)6259Mn2V(O2)736(765)652(690)1809SiCr770(870)7301609Cr2730(860)7002709Cr2Mo755850）1909CrWMn750(900)710230MnSi760(865)708245MnCrWV(O1)750(780)655190SiMnMo735770）676(720)SiMnWVNb750785）130Cr745(900)700240V730770700200Cr06730(950)700(740)CrMn740(980)700245CrMnSi730(930)700Cr2745(900)700240Cr2Mn2SiWMoV770740640(605)190Cr4W2MoV795(900)760142Cr5MolV(A2)785(835)705(750)180Cr8Mo2SiV(DC53)845(905)715(800)115Cr12(SKD1)810(835)755(770)180Cr12MoV(SKD11)830(855)750(785)230Cr12Mo1V1(D2)810(875)750(695)190Cr12Mo810(875)695230Cr12MoW815255Cr12V810760180V730(770)700200VTi740(760)670(680)250W(F1)740(820)710W2745(950)720W3CrV77080571073012牌号Ac1Ac3(Accm)Ar1Ar3(Arcm)MsCrW760(805)725CrW4760(790)CrW5760(790)700(730)CrWMn(SKD31)750(940)710255高速工具钢9Cr6W3Mo2V2795820）220Cr4W2MoV795(900)760142Cr6WV815(845)625(775)150Cr8MoWV3Si858907215Cr12W815(865)7151809W18Cr4V810845）135W18Cr4V(T1)810860865）726(753)150200W18Cr4VCo5(T4)820875）130190W14Cr4VMnRE795860）W12Cr4V4Mo835855770225W12Mo3Cr4V3N830870765175W12Mo3Cr4V3Co5Si835860140W10Cr4V4Co5820170W10Mo4Cr4V3Al830860(890)115W9Cr4V2820870）740(780)200W9Mo3Cr4V830875）195CW9Mo3Cr4VN810850）160W9Mo3Cr4V3840875）210W9Mo3Cr4VAl850890）220W9Mo3Cr4VCo5810845）195W8Mo5Cr4VCo3N820116W7Mo4Cr4V750830）145W6Mo5Cr4V2(M2)835885）736(781)131W6Mo5Cr4V2Co5823852220W6Mo5Cr4V2Al845924）120W6Mo5Cr4V3810845140W6Mo5Cr4V5SiNbAl830860160W6Mo5Cr4V2Co5836877739753220W4Mo3Cr4VSi815855）170W3Mo2Cr4VSi815865）140W2Mo9Cr4V(M1)827195W2Mo9Cr4V2(M7)810820845860210W2Mo9Cr4VCo8(M42)830855150弹簧钢30W4Cr2VA82084069040050CrMn74078569030050CrMnV73578768674529013牌号Ac1Ac3(Accm)Ar1Ar3(Arcm)Ms50CrVA75278868874630067CrVA(TDSiCr)73277222855CrMnVA75078768674527555SiMnB74078064868024055Si2Mn77584069030055Si2MnB77082569074528955SiMnMoV74581561069029055SiMnMoVNb73077059068529255SiMnVB75077567070055CrMnA75077525055CrSi76582529060CrSiV(TDSiCrV)76382325660SiMn73079028560SiMnMo70076026460Si2MnA75581070077030560Si2CrA76578070060Si2CrVA77078071060Si2Mo74079026060CrMnA73576526060CrMnBA73576526060CrMnMoA70080565525560CrMnSiVA74580027065MnSiV75580267570525565Si2MnWA76578070070Si2CrA75680022070Si3Mn(A)780810700290轴承钢G20CrMo(AISI4118)750825680775380G20CrNiMo(AISI8620)730830669770395G20CrNi2Mo(AISI4320)725810630740380G20Cr2Ni4685775585630305G55SiMoVA765858687759304G8Cr15752(824)684780240GCr6735(860)700192GCr9740(887)690721205GCr9SiMn738(775)700724170GCr15760(900)695707240GCr15SiMn770(872)708200GCr15SiMo750(785)695210GCrSiWV765(810)692200GMnMoV(RE)743(873)677(698)175GSiMn(RE)74567415014牌号Ac1Ac3(Accm)Ar1Ar3(Arcm)MsGSiMnV755(780)680(705)100GSiMnVRE745(785)680(730)125GSiMnMoV740(800)681(727)115GSiMnMoVRE742(887)682(702)Cr4Mo4V(M50)726(840)720(778)130Cr14Mo4V(AISI618)875(925)745(800)不锈耐热钢1(12)Cr6Si2Mo8508907657900(06)Cr138009057808203701(12)Cr138208507008203402(20)Cr138208936717433203(30)Cr138008409507007422403(30)Cr13Si8302503(32)Cr13Mo8408907507904(40)Cr1380085010007802706(60)Cr13Mo8259002103(31)Cr17Mo8609851751Cr10Co6MoVNb7608153601(13)Cr11Ni2W2MoV7357858859202793451Cr12Ni3Mo2V7158153051(14)Cr12Ni2WMoVNb7608102901(15)Cr12WMoV8208906707601(12)Cr13Ni2(414)7322741(14)Cr17Ni2(431)7271432(25)Cr13Ni27067803204(42)Cr9Si28659358058301904(40)Cr10Si2Mo9009708108702808(83)Cr20Si2Ni8409203059(95)Cr18810840740765170102Cr17Mo(9Cr18Mo)81576514511(108)Cr17(440C)815840740765145(110)Cr14Mo4V875925745800注：1.钢的显微组织转变点A1、A3和Acm是在缓慢加热、缓慢冷却条件下测得的临界点，因同一牌号钢的化学成分不尽相同、加热和冷却速度也有差别，实测临界温度出现波动是正常的。实际生产中，钢的组织转变总有滞后现象，实现组织转变，加热温度要高于临界点，冷却温度要低于临界点。通常把加热时的临界点表示为Ac1、Ac3和Accm，把冷却时的临界点表示为Ar1、Ar3和Arcm。另外，用Ms和Mf表示马氏体开始转变和转变终了温度。2.表示计算值，计算采用安德魯斯K.W.Andrews）公式16AC1＝723－10.7Mn%－16.9Ni%＋29.1Si%＋16.9Cr%＋290As%＋6.38W%℃）15AC3＝910－203%C－15.2Ni%＋44.7Si%＋104V%＋31.5Mo%＋13.1W%℃）Ms＝539－423C%－30.4Mn%－17.7Ni%－12.1Cr%－7.5Mo%℃）3.按GBT208782007 规定 关于下班后关闭电源的规定党章中关于入党时间的规定公务员考核规定下载规定办法文件下载宁波关于闷顶的规定 ，不锈耐热牌号表示方法变更如下：用牌号前()中的数字代替第1位数字，作为新牌号。马氏体沉淀硬化不锈钢的临界点参考值(℃)牌号Ac1Ac3Msδ含量(%)A.R.I06Cr17Ni7AlTi(StainlessW)650170569311.716.205Cr17Ni4Cu4Nb(174PH)6707401408.015.505Cr15Ni5Cu4Nb(155PH)6621702616534.214.506Cr15Ni5Cu2Ti(08Х15Н5Д2Т)6407501403.413.904Cr15Ni6Cu2Nb(Custom450XM25)6327071182.617.2035Cr16Ni7AlTi(Croloy166PHЭИ814)613169066935.720.105Cr14Ni5MoCu2Nb(FV520B)6671790616231.217.504Cr13Ni8Mo2Al(PH138Mo)65517906121－4.719.715Cr15Co13Mo5V(AFC77)775183061405－2.618.812Cr12Co10Mo6(Х12К10M6)8101890615550.616.0注：1.1不锈钢临界点计算公式：Ac1(℃)＝820－25Mn－30Ni－11Co%－10Cu＋25Si＋7(Cr－13)＋30Al＋20Mo＋50VIrving公式，适用于含Cr12%17%马氏体和沉淀硬化不锈钢的Ac1点计算，－11Co－10Cu%和＋7(Cr－13)%为笔者增补的修正项，Mo的系数由25修订为20）。2.3沉淀硬化不锈钢临界点Ms的计算公式：Ms(℃)=1180－1450(C＋N)－30Si－30Mn－37Cr－57Ni－22Mo－32Cu魏振宇公式适用于经充分奥氏体化后淬水状态的沉淀硬化型不锈钢的临界点计算，－32Cu%为笔者增补的修正项）。3.5不锈钢临界点Ms的计算公式：Ms(℃)=635－450C－450N－30Mn－50Si－20Cr－20Ni－45Mo＋10Co－35Cu－36W－46V－53AlPickering公式，适用于0.10%C17.0%Cr4.0%Ni为基础的钢和含钴、钨、钒、铝的钢）。4.6不锈钢临界点Ac3的计算公式：Ac3(℃)=910－203C+44.7Si－10Mn－9Cr－15.2Ni+31.5Mo－15.5Cu+104V+13.1W+80Al+100Ti+250Nb－4Co(安德魯斯K.W.Andrews）公式，－10Mn－9Cr－15.5Cu+80Al+100Ti+250Nb－4Co为笔者增补的修正。）5.ИЯ索科夫(Сокол)公式：δ(%)=2.4Cr＋1.0Mo＋1.2Si＋14Ti＋1.4Al＋1.7Nb＋1.2V－41C－0.5Mn－2.5Ni－0.3Cu－1.2Co－18(适用于不锈钢，＋1.0Mo＋1.7Nb＋1.2V－0.3Cu－1.2Co为笔者增补的修正项。负数表示钢中不含δ铁素体)。6.A.R.I称为奥氏体保留系数，用来衡量淬火后钢中残余奥化体留存量。半奥氏沉淀硬化不锈钢的临界点参考值(℃)牌号Ac1Ac3Md30Msδ含量(%)07Cr17Ni7Al(177PH631)660172564－1533.707Cr15Ni7Mo2Al(PH157Mo)700182041－63－0.607Cr14Ni8Mo2Al(PH148Mo)660180852－93－2.109Cr17Ni5Mo3N(美S35000AM350633)755183046－3556.712Cr16Ni5Mo3NbN(美S35500AM355634)745182728－3353.007Cr12Mn5Ni4Mo3Al60565869－105201606Cr16Ni6(166PH07Х16Н6)60065057－92.6注：1.1不锈钢临界点计算公式：AC1(℃)＝820－25Mn－30Ni－11Co%－10Cu＋25Si＋7(Cr－13)＋30Al＋20Mo＋50VIrving公式，适用于含Cr12%17%马氏体和沉淀硬化不锈钢的AC1点计算，－11Co－10Cu%和＋7(Cr－13)%为笔者增补的修正项，Mo的系数由25修订为20）。2.3沉淀硬化不锈钢临界点Ms的计算公式：Ms(℃)=1180－1450(C＋N)－30Si－30Mn－37Cr－57Ni－22Mo－32Cu魏振宇公式适用于经充分奥氏体化后淬水状态的沉淀硬化型不锈钢的临界点计算，－32Cu%为笔者增补的修正项）。3.5不锈钢临界点Ms的计算公式：Ms(℃)=635－450C－450N－30Mn－50Si－20Cr－20Ni－45Mo＋10Co－35Cu－36W－46V－53AlPickering公式，适用于0.10%C17.0%Cr4.0%Ni为基础的钢和含钴、钨、钒、铝的钢）。4.6不锈钢临界点Ac3的计算公式：Ac3(℃)=910－203C+44.7Si－10Mn－9Cr－15.2Ni+31.5Mo－15.5Cu+104V+13.1W+80Al+100Ti+250Nb－4Co(安德魯斯K.W.Andrews）公式，－10Mn－9Cr－15.5Cu+80Al+100Ti+250Nb－4Co为笔者增补的修正。）5.Augel公式：Md30(℃)=413－462(C＋N)－8.1Mn－9.2Si－13.7Cr－9.5Ni－18.5Mo6.ИЯ索科夫(Сокол)公式：δ(%)=2.4Cr＋1.0Mo＋1.2Si＋14Ti＋1.4Al＋1.7Nb＋1.2V－41C－0.5Mn－2.5Ni－0.3Cu－1.2Co－18(适用于不锈钢，＋1.0Mo＋1.7Nb＋1.2V－0.3Cu－1.2Co为笔者增补的修正项。负数表示钢中不含δ铁素体)。超马氏体不锈钢的临界点参考值(℃)牌号Ac1(℃)Ac3(℃)Ms(℃)δ(%)A.R.I04Cr13Ni5Mo(美国S41500)6801715610540.115.9022Cr13Ni6MoNb65017651535－0.718.4025Cr16Ni5M(阿维斯塔·谢菲尔德248SV)4802693636.918.4022Cr12Ni10Cu2TiNb(Н10Х12Д2ТБ)5002760825－8.019.6022Cr12Ni8Cu2TiNb(CustomS45500XM16)55017609653.218.303Cr11Ni9Mo2Cu2TiAl(04Х11Н9M2Д2ТЮ)590177066632.819.4015Cr12Ni10AlTi53017656985－9.219.902Cr12Ni7MoAlCu64017456934－4.717.3008Cr12Ni6Mo3Ti(住友1362.5Ti)67517856354－1.417.3022Cr15Ni6Ti(Almar362）6301735686410.618.1015Cr12Ni5Mo2V(英钢联1252)69017806684－0.916.5015Cr13Ni5Mo2Cu2(新日铁CRS)690173563041.315.4015Cr12MnNi7Mo3Cu(沙勒洛伊126.52.5)64517526985－3.817.602Cr12Ni9Mo4Cu2TiAl(瑞典1RK91S46910)61818651434.621022Cr12Ni9Mo2Si61817756175－8.419.4012Cr12Ni9Mo2AlTi(X1CrNiMoAlTi1292)60418276755－5.019.8015C12Ni11Mo1Ti(Custom465S46500)505181264236.321.217022Cr12Ni10Mo2CuTiAlVB562179566.645.8321.302Cr10Ni10Mo2TiAl(Marvac736In736)565276061135－11.918.901Cr13Ni7Mo4Co4W2Ti63517756553－6.422.002Cr13Ni4Co13Mo5(日NASMA164)643181061745－1021.3022Cr12Co12Cu2(03Х12К12Д2)665170062154－4.213.503Cr14Ni4Co13Mo3Ti(04Х14К13Н4М3Т)61017706424－420.903Cr12Ni4Co15Mo4Ti(Н4Х12К15М4Т)61018606214－2.520.7超临界机组用耐热钢10Cr9M01VNbN(P91)(巴西VM钢管公司)218181860630371.07.810Cr9W2MoVNbBN(P92)(巴西VM钢管公司)218071850630070.47.510Cr11MoW2VNbCu1BN(T22P23122)8051820624074.49.311Cr9Mo1W1VNbBN(TP911)8131860630070.58.009Cr5MoTiTP5C)768187063304－2.64.312Cr2MoGTP22）757186063424－15.72.407Cr2MoW2VNbBTP23）750190064004－152.107Cr2MoVTiB(TP24)775190863524－122.5注：1.1不锈钢临界点计算公式：Ac1(℃)＝820－25Mn－30Ni－11Co%－10Cu＋25Si＋7(Cr－13)＋30Al＋20Mo＋50VIrving公式，适用于含Cr12%17%马氏体和沉淀硬化不锈钢的AC1点计算，－11Co－10Cu%和＋7(Cr－13)%为笔者增补的修正项，Mo的系数由25修订为20）。2.2不锈钢临界点计算公式：Ac1(℃)=154.4＋19.4Cr＋1.9(Cr－17)2＋33.3Mo＋40.5Si＋84.4Nb＋161V＋344.4Ti＋416.7Al＋777.8B－138.9C－155.6N－63.9Ni－36.7Mn－10CuTricot和Castro公式，适用于以17Cr%为基准钢的Ac1点计算，）。3.3沉淀硬化不锈钢临界点Ms的计算公式：Ms(℃)=1180－1450(C＋N)－30Si－30Mn－37Cr－57Ni－22Mo－32Cu魏振宇公式适用于经充分奥氏体化后淬水状态的沉淀硬化型不锈钢的临界点计算，－32Cu%为笔者增补的修正项）。4.4不锈钢临界点Ms的计算公式：Ms(℃)=502－810C%－1230N%－13Mn%－12Cr%－30Ni%－54Cu%－46MoPickering公式，适用于奥氏体马氏体不锈钢的临界点计算）。5.5不锈钢临界点Ms的计算公式：Ms(℃)=635－450C－450N－30Mn－50Si－20Cr－20Ni－45Mo＋10Co－35Cu－36W－46V－53AlPickering公式，适用于0.10%C－17.0%Cr－4.0%Ni为基础的钢和含钴、钨、钒、铝的钢）。6.6不锈钢临界点Ac3的计算公式：Ac3(℃)=910－203C+44.7Si－10Mn－9Cr－15.2Ni+31.5Mo－15.5Cu+104V+13.1W+80Al+100Ti+250Nb－4Co(安德魯斯K.W.Andrews)公式，－10Mn－9Cr－15.5Cu+80Al+100Ti+250Nb－4Co为笔者增补的修正。）7.7安德魯斯(K.W.Andrews)合金钢临界点Ms的计算公式：Ms＝539－423C%－30.4Mn%－17.7Ni%－12.1Cr%－7.5Mo%。8.ИЯ索科夫(Сокол)公式：δ(%)=2.4Cr＋1.0Mo＋1.2Si＋14Ti＋1.4Al＋1.7Nb＋1.2V－41C－0.5Mn18－2.5Ni－0.3Cu－1.2Co－18(δ表示高温铁素体的百分含量，公式适用于不锈钢，＋1.0Mo＋1.7Nb＋1.2V－0.3Cu－1.2Co为笔者增补的修正项。负数表示钢中不含δ铁素体)。9.A.R.I称为奥氏体保留系数，用来衡量淬火后钢中残余奥化体留存量。参考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与数据手册》，李国郴主编，王铁宝、杜安、马端娜副主篇，化学工业出版社，2013年1月北京第1版；22瓦卢端克·曼内斯曼钢管公司筒称VM钢管公司）《TP91和TP92钢手册》。TP91和TP92为超马氏体型焊接材料，用于超超临界机组锅炉结构焊接；23美国ASMESA213M2010《锅炉过热器和换热器用铁基合金钢和奥氏体钢无缝钢管》，美国ASMESA335M2010《高温用铁基合金钢无缝管》。2014年12月10日