鋼的臨界溫度參考值(第版).doc

鋼的臨界溫度參考值 （第7版）東北特殊鋼集團(tuán)徐效謙整理 鋼的臨界溫度參考值(第6版) 單位：牌 號(hào)Ac1Ac3Ar1Ar3Ms碳 素 結(jié) 構(gòu) 鋼087328907008544801073087568085515735863685840450207358556808652573584068082438030732813677796380357248026807743604072479068076034045725770690720336507257606907213005572777469075529060727766690743265657277526967302657073073769572724075725740690727230807257306907272308572373769069522015Mn73586368584016Mn73685068283541020Mn73585468283542025Mn73583068080030Mn73481267579635535Mn73080068077040Mn726790689768Y40Mn73180728045Mn72677068976850Mn72076066032060Mn72776568974128065Mn72676568974127070Mn723740680合 金 結(jié) 構(gòu) 鋼10Mn272083062071020Mn272584061074040030Mn271880462772136035Mn271379363071032540Mn271376662770432045Mn271176562670432050Mn271076059668032008Mn2Si735905300牌 號(hào)Ac1Ac3Ar1Ar3Ms15Mn2SiCrMo72585538045MnSiV73580564271829518MnMoNb73685064675637020MnMo73083968572938030MnMo71581538MnMo72082045MnMo72579040030Mn2MoWA72084533035MnMoWV74039045MnMoV72779124018MnMoNb76385064675615MnNi70785820MnNiCu70580539015MnNiMo71485420MnNiMo68584542015MnTiRE73486561577939009MnVRE64080073032012MnV73486561577915MnV72085063578020MnV73085363075041525Mn2V72483962071036535Mn2V71577032042Mn2V72577031045Mn2V72577031014MnMoV71072788090856166576380014MnVTiRE72588520SiMn73284027SiMn75088075035535SiMn73579569033040SiMn76081529042SiMn74080064571533044Mn2Si73081028550SiMn71079763670330527Si2Mn2Mo74582034032Si2Mn2MoA(防彈鋼)72789162077431515SiMn3MoA68086032739629015SiMn3MoWV(A)68583034541536020SiMn2MoV727*877*640816330*25SiMn2MoV727*866*640785319*30SiMn2MoVA72584563072531030Si2Mn2MoWV73979831035SiMn2MoV735780306牌 號(hào)Ac1Ac3Ar1Ar3Ms37SiMn2MoV72982331437SiMn2MoWV72083535051029040SiMn2MoWV72283629042SiMnMoV75587029535B73080269179140B73079069072745B72577069072028050B(A)74079067071928060B74074527015MnB72084741020Mn2B73085361373638030Mn2B72678640MnB73078065070032540MnBRE72580534045MnB72778060MnB71074028012MoVWBSiRE83594080488014MnMoVBRE75790070077320MnMoB74085069075030Mn2MoB73480030Mn2MoTiB(A)73381464069840MnMoB72480565273720MnTiB(RE)71584362579539520Mn2TiB70887060570525MnTiBRE70881060570539115MnVB73084063577043020MnVB72084063577043540MnVB73077463968140MnWB73680063069532020SiMnVB72686669977922SiMnMoWTiB74486240CrB74177740CrMnB72978567635018CrMnMoB74084020CrMnMoVB85067578040CrMnMoVBA73479222CrMnWMoTiB74486245051326710CrNiMoVB72487612Cr2MoWVTiB82084595098073074083085542012Cr3MoVSiTiB84095837415CrMoVB75689618CrMn2MoBA741854320牌 號(hào)Ac1Ac3Ar1Ar3Ms18Cr2Mn2MoB74184018Cr2Mn2MoTiB77086020Cr1Mo1VNbB82790979386225CrMnMoTiB76585165375640330Cr2MnMoB72481515Cr76683870279920Cr76583670279939030Cr77581067035535Cr74579567036038CrA74078069373035030CrA178086536038CrA176088567574036040Cr74380569373035545Cr74579066069335550Cr73578066069325060Cr74076045Cr378082033015CrMn75084569040020CrMn76583570079836040CrMn74077569035050CrMn74078530035CrMn273077563068030050CrMn273076029018CrMnNiMo73079549069038020CrMnNiMo72080040040CrMnNiMo39078029030CrMnMoTiA75583035035CrMnMoWV73082049032030CrMn2MoNb76540130535CrMn2MoNb72578032020CrMnSi(A)75584069020Cr2Mn2SiMo(A)72583561570030525CrMnSi(A)76088068030530CrMnSi(A)76083067070536035CrMnSi(A)77583070075533040CrMnSiMoVA78083028840CrMnSiNiMo69580033045CrMnSi(A)79088029550CrMnSiMo79081527515CrMn2SiMoA73280538947836014CrMnSiNi2MoA72480560769036430CrMnSiNi2A(超高強(qiáng)鋼)750760805830310320牌 號(hào)Ac1Ac3Ar1Ar3Ms18CrMnTi73082069036520CrMnTi74082568073036030CrMnTi76579066074040CrMnTi76582064068031025CrMnV73582042035CrSi75583071534038CrSi76381068075533040CrSi76081571532516CrSiNi745*845*390*30CrSiMo78086035040CrSi2Ni2MoA74880229016Mo73587590061083042020Mo726*845*420*30Mo724*825*390*12CrMo72088069579012Cr1Mo79090038015CrMo74584569579043520CrMo74584050474638025CrMo75083066574536530CrMo75780769376334535CrMo75580069575032038CrMo76078032042CrMo73078069031045CrMo73080031050CrMo72576029025Cr3Mo77083536030Cr3MoA(滲碳、滲氮鋼)76581033538CrMoAlA(滲碳、滲氮鋼)76088567574036015CrMnMo71083062074020CrMnMo71083062074024930CrMnMo73079538540CrMnMo73277464024620Cr2Mn2MoA76182865573531030CrMnMoTiA75583035030CrMnWMoNbV72082551535512CrMoV79090077486512CrlMoV77480388291476178783089540012CrlMo1V79593015CrMnMoVA77087067478037617CrMo1V78380388592274178581183820Cr1Mo1VNbB82790979386220CrMoWV800930330牌 號(hào)Ac1Ac3Ar1Ar3Ms20Cr3MoWVA82093069079033024CrMoV79084068079025Cr2MoV77084069078034025Cr2MolVA78087070079030Cr2MoV78183371174733032Cr3MoVA(滲碳、氮鋼)79583531035CrMoVA75583560035635 Cr1Mo2V77089527038 Cr2Mo2VA(超高強(qiáng)鋼)78085032045CrMoV75083032055CrMoV75579068071526530Ni69081036540Ni71577033050Ni72575532015NiMo72580065075033010Ni271082042512Ni368581045025Ni369076034030Ni367075031035Ni367075031040Ni366574031060Ni465072010Ni561577513Ni561076535040Ni565071036050Ni565024015NiMo72580065075033012CrNi71583067020CrNi72080068079041040CrNi73077066070230545CrNi72577568031050CrNi72577068030012CrNi2A73279467176339512CrNi3A(滲碳、滲氮鋼)71082066038020CrNi3A70076050063034030CrNi3A69978065032037CrNi3A71077064028018CrNi4A(滲碳、滲氮鋼)70578057067036020Cr2Ni2V72079539012Cr2Ni4A(滲碳、滲氮鋼)67078060567539020Cr2Ni4A68577558563030535Cr2Ni4A685760621649320牌 號(hào)Ac1Ac3Ar1Ar3Ms40Cr2Ni468075024020CrNiMo72581039630CrNiMo73077534035CrNiMo73081034040CrNiMoA72079068032017CrNi2Mo69081030CrNi2Mo69578535035CrNi2Mo69578031040CrNi2Mo68077530012CrNi3Mo71080038516CrNi3MoA(滲碳、氮鋼)69577032025CrNi3MoAl74078029030CrNi3Mo68077031035CrNi3Mo70576031012CrNi4Mo69079037030CrNi4MoA70074032535CrNi4Mo70075027035Cr2NiMo73078032030Cr2Ni2Mo74078035035Cr2Ni2Mo75079035512Cr2Ni3Mo69078535Cr2Ni3Mo73077039512Cr2Ni4Mo66077037018Cr2Ni4Mo70081037020Cr2Ni4Mo71582039035Cr2Ni4MoA(超高強(qiáng)鋼)72076520045CrNiMoVA72079065027530CrNi2MoVA72578064032025CrNi3MoV68080033030CrNi3MoV74079032035CrNi3MoV72578032032CrNi2MoTiA(防彈鋼)72577431815CrV75587077043520CrV76684070478243530CrV76582035540CrV75579070074534045CrV74078074631550CrVA75278068874630035Cr2V76085031035CrW75081037018CrNiWA69580031030CrNiWA720*800*350*牌 號(hào)Ac1Ac3 (Accm)Ar1Ar3(Arcm)Ms30CrNi2WVA706*785*320*18Cr2Ni4WA(滲碳、氮鋼)69581035040031025Cr2Ni4WA68577030029035Cr2Ni4W66076030016Co14Ni10Cr2MoE60080031032012WMoVSiRE835940804880380非 調(diào) 質(zhì) 鋼LF10MnSiTi795862696LF10Mn2VTiB654840623714405LF20Mn2V715845394GF30Mn2SiV720798608702GF32Mn2SiV720798343YF35V715800350YF35MnV708798351YF35MnVN735818639731296F40MnV746796667755YF40MnV725800619714320F40MnV(Ti)728815632694405GF40SiMnVS735800345F45V749800680747310YF45V740797310YF45MnV740790260碳 素 工 具 鋼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 鋼SM1CrNi3(P6)7208106007154091Ni3Mn2MoCuAl6758213825172702Cr3Mo2NiVSi776851672Y20CrNi3MnMoAl(P21)7407802903Cr2MoWVNi8168332683Cr2MnNiMo7157702803Cr2Mo(P20)7708256407603353Cr3Mo3VNb8259207348103553Cr3Mo3W2V840922786839373牌 號(hào)Ac1Ac3 (Accm)Ar1Ar3(Arcm)Ms3Cr2W4V8208406904003Cr2W8V(H21)820(925)773(838)3803Cr3Mo3VNb825（920）7348103554CrMnSiMoV7928556607702904CrSi7458607252904CrSiV7658307253304CrMoVSi8509101304CrW2Si(SKS41)7808407353154CrW2VSi8008757302754Cr3Mo2MnVB8018746807593424Cr3Mo2MnVNbB7899102634Cr3Mo2MnWV7703204Cr3Mo2NiVNb7703204Cr3Mo3SiV(H10)8109107503604Cr3Mo3W2V8509307358254004Cr3Mo3W4VTiNb8218807528504Cr4Mo2WVSi8309106707502554Cr5MoSiV(H11)8539127358103104Cr5MoSiVl(H13)8609157758153404Cr5MoWSiV8359207408252904Cr5Mo2MnVSi8158932714Cr5W2VSi8759157308402755SiMn7557906905SiMnMoV(S2)7647883005Cr3MnSiMo1V(S7)792*835*254*5Cr3W3MoSiVNb7809206657253305CrMnSiMoV7107606502155CrMnMo7107606506802205CrNiMo(L6)7307806802305CrNiMoV7408156507302105CrNiMnMoVSCa6957353053782205CrNiTi7207707002305CrNiW7308202055Cr2NiMoVSi7508746257512435Cr4Mo3SiMnVAl8379022775Cr4Mo2W2SiV8108857007852905Cr4Mo2W5V8368937448162505CrW2Si(S1)7758607252956CrSi7708307102506CrNiMnSiMoV7057405806051746Cr4Mo3Ni2WV7378226501806CrW2Si775810725280牌 號(hào)Ac1Ac3 (Accm)Ar1Ar3(Arcm)Ms6Cr4W3Mo2VNb8207302206Cr6W3MoVSi875(905)7557902506W6Mo5Cr4V8207302407MnSi27507752157CrSiMnMoV7768346947322117Cr4W3Mo2VNb8108307407602207Cr7Mo3V2Si(LD1)876(925)725(816)1057Cr4W7MoV7851848Cr2MnMoWVS7708206607108Cr37858307507703708CrV740*761*7002159Mn2710(760)6259Mn2V(O2)736(765)652(690)1809SiCr770(870)7301609Cr2730(860)7002709Cr2Mo755（850）1909CrWMn750(900)710230MnSi760(865)708245MnCrWV(O1)750(780)655190SiMnMo735（770）676(720)SiMnWVNb750（785）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)720W3CrV770805710730牌 號(hào)Ac1Ac3 (Accm)Ar1Ar3(Arcm)MsCrW760(805)725CrW4760(790)CrW5760(790)700(730)CrWMn(SKD31)750(940)710255高 速 工 具 鋼9Cr6W3Mo2V2795（820）220Cr4W2MoV795(900)760142Cr6WV815(845)625(775)150Cr8MoWV3Si858907215Cr12W815(865)7151809W18Cr4V810（845）135W18Cr4V(T1)810860（865）726(753)150200W18Cr4VCo5(T4)820（875）130190W14Cr4VMnRE795（860）W12Cr4V4Mo835855770225W12Mo3Cr4V3N830870765175W12Mo3Cr4V3Co5Si835860140W10Cr4V4Co5820170W10Mo4Cr4V3Al830860(890)115W9Cr4V2820（870）740(780)200W9Mo3Cr4V830（875）195CW9Mo3Cr4VN810（850）160W9Mo3Cr4V3840（875）210W9Mo3Cr4VAl850（890）220W9Mo3Cr4VCo5810（845）195W8Mo5Cr4VCo3N820116W7Mo4Cr4V750（830）145W6Mo5Cr4V2(M2)835（885）736(781)131W6Mo5Cr4V2Co5823852220W6Mo5Cr4V2Al845（924）120W6Mo5Cr4V3810845140W6Mo5Cr4V5SiNbAl830860160W6Mo5Cr4V2Co5836877739753220W4Mo3Cr4VSi815（855）170W3Mo2Cr4VSi815（865）140W2Mo9Cr4V(M1)827195W2Mo9Cr4V2(M7)810820845860210W2Mo9Cr4VCo8(M42)830855150彈 簧 鋼30W4Cr2VA82084069040050CrMn74078569030050CrMnV735787686745290牌 號(hào)Ac1Ac3 (Accm)Ar1Ar3(Arcm)Ms50CrVA75278868874630067CrVA(TDSiCr)732772*228*55CrMnVA75078768674527555SiMnB74078064868024055Si2Mn77584069030055Si2MnB77082569074528955SiMnMoV74581561069029055SiMnMoVNb73077059068529255SiMnVB75077567070055CrMnA75077525055CrSi765*825*290*60CrSiV(TDSiCrV)763*823*256*60SiMn73079028560SiMnMo70076026460Si2MnA75581070077030560Si2CrA76578070060Si2CrVA77078071060Si2Mo74079026060CrMnA735*765*260*60CrMnBA735*765*260*60CrMnMoA70080565525560CrMnSiVA74580027065MnSiV75580267570525565Si2MnWA76578070070Si2CrA75680022070Si3Mn(A)780810700290軸 承 鋼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)745674150牌 號(hào)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 銹 耐 熱 鋼1(12)Cr6Si2Mo8508907657900(06)Cr138009057808203701(12)Cr138208507008203402(20)Cr138208936717433203(30)Cr138008409507007422403(30)Cr13Si8302503(32)Cr13Mo8408907507904(40)Cr1380085010007802706(60)Cr13Mo8259002103(31)Cr17Mo860985175*1Cr10Co6MoVNb7608153601(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.鋼的顯微組織轉(zhuǎn)變點(diǎn)A1、A3和Acm是在緩慢加熱、緩慢冷卻條件下測(cè)得的臨界點(diǎn)，因同一牌號(hào)鋼的化學(xué)成分不盡相同、加熱和冷卻速度也有差別，實(shí)測(cè)臨界溫度出現(xiàn)波動(dòng)是正常的。實(shí)際生產(chǎn)中，鋼的組織轉(zhuǎn)變總有滯后現(xiàn)象，實(shí)現(xiàn)組織轉(zhuǎn)變，加熱溫度要高于臨界點(diǎn)，冷卻溫度要低于臨界點(diǎn)。通常把加熱時(shí)的臨界點(diǎn)表示為Ac1、Ac3和Accm，把冷卻時(shí)的臨界點(diǎn)表示為Ar1、Ar3和Arcm。另外，用Ms和Mf表示馬氏體開始轉(zhuǎn)變和轉(zhuǎn)變終了溫度。2. *表示計(jì)算值，計(jì)算采用安德魯斯（K.W.Andrews）公式16AC172310.7Mn%16.9Ni%29.1Si%16.9Cr%290As%6.38W% （）AC391020315.2Ni%44.7Si%104V%31.5Mo%13.1W% （）Ms539423C%30.4Mn%17.7Ni%12.1Cr%7.5Mo% （）3. 按GB/T20878-2007規(guī)定，不銹耐熱牌號(hào)表示方法變更如下：用牌號(hào)前()中的數(shù)字代替第1位數(shù)字，作為新牌號(hào)。馬氏體沉淀硬化不銹鋼的臨界點(diǎn)參考值()牌 號(hào)Ac1Ac3Ms