您的当前位置:首页正文

钢的临界温度参考值(第7版)

2022-05-05 来源:钮旅网
钢的临界温度参考值(第7版)

东北特殊钢集团整理

2015年3月30日

钢的临界温度参考值(第6版)

牌081015202530354045505560657075808515Mn16Mn20Mn25Mn30Mn35Mn40MnY40Mn45Mn50Mn60Mn65Mn70Mn10Mn220Mn230Mn235Mn240Mn245Mn250Mn208Mn2Si号Ac1732730735735735732724724725725727727727730725725723735736735735734730726731726720727726723720725718713713711710735Ac3

碳素结构钢890875863855840813802790770760774766752737740730737863850854830812800790807770760765765740合金结构钢830840804793766765760905620610627630627626596689660689689680700680685680680677680680690690690690696695690690690685682682680675680689Ar1

单位:℃Ar3854855840865824796774760720721755743730727727727695840835835800796770768280768320741741280270355410420380380360340336300290265265240230230220450Ms480710740721710704704680400360325320320320300-1-牌15Mn2SiCrMo45MnSiV18MnMoNb20MnMo30MnMo38MnMo45MnMo30Mn2MoWA35MnMoWV45MnMoV18MnMoNb15MnNi20MnNiCu15MnNiMo20MnNiMo15MnTiRE09MnVRE12MnV15MnV20MnV25Mn2V35Mn2V42Mn2V45Mn2V14MnMoV14MnVTiRE20SiMn27SiMn35SiMn40SiMn42SiMn44Mn2Si50SiMn27Si2Mn2Mo号Ac1725735736730715720725720740727763707705714685734640734720730724715725725710~727725732750735760740730710745727680685727*727*725739735Ac3855805850839815820790845791850858805854845865800865850853839770770770880~908885840880795815800810797820891860830877*866*845798780Ar1642646685Ar3718756729Ms380295370380400330390240646756390420615615635630620779730779780750710415365320310310561~665763~800390320750690645636620327345640640630715703774396415816785725355330290330285305340315290360330*319*31031030632Si2Mn2MoA(防弹钢)15SiMn3MoA15SiMn3MoWV(A)20SiMn2MoV25SiMn2MoV30SiMn2MoVA30Si2Mn2MoWV35SiMn2MoV-2-牌37SiMn2MoV37SiMn2MoWV40SiMn2MoWV42SiMnMoV35B40B45B50B(A)60B15MnB20Mn2B30Mn2B40MnB40MnBRE45MnB60MnB12MoVWBSiRE14MnMoVBRE20MnMoB30Mn2MoB30Mn2MoTiB(A)40MnMoB20MnTiB(RE)20Mn2TiB25MnTiBRE15MnVB20MnVB40MnVB40MnWB20SiMnVB22SiMnMoWTiB40CrB40CrMnB18CrMnMoB20CrMnMoVB40CrMnMoVBA22CrMnWMoTiB10CrNiMoVB12Cr2MoWVTiB12Cr3MoVSiTiB15CrMoVB18CrMn2MoBA号Ac1729720722755730730725740740720730726730725727710835757740734733724715708708730720730736726744741729740734744724820~845840756741Ac3823835836870802790770790745847853786780805780740940900850800814805843870810840840774800866862777785840850792862876950~980958896854Ar1350Ar3510Ms314290290295691690690670791727720719280280270410613650736700380325340280804700690640652625605605635635639630699880773750698737795705705770770681695779320391430435395676675450730~740780513830~855350267420374320-3-牌18Cr2Mn2MoB18Cr2Mn2MoTiB20Cr1Mo1VNbB25CrMnMoTiB30Cr2MnMoB15Cr20Cr30Cr35Cr38CrA30CrA138CrA140Cr45Cr50Cr60Cr45Cr315CrMn20CrMn40CrMn50CrMn35CrMn250CrMn218CrMnNiMo20CrMnNiMo40CrMnNiMo30CrMnMoTiA35CrMnMoWV30CrMn2MoNb35CrMn2MoNb20CrMnSi(A)号Ac1741770827765724766765775745740780760743745735740780750765740740730730730720390755730765725755725760760775780695790790732724750~760Ac3840860909851815838836810795780865885805790780760820845835775785775760795800780830820780840835880830830830800880815805805805~830Ar1Ar3Ms793653702702670670693675693660660862756799799390355360730740730693693350360360355355250330403690700690630490680690798400360350300300290380400290350490401320305320690615680670700705755700305305360330288330295275389607478690360364310~32020Cr2Mn2SiMo(A)25CrMnSi(A)30CrMnSi(A)35CrMnSi(A)40CrMnSiMoVA40CrMnSiNiMo45CrMnSi(A)50CrMnSiMo15CrMn2SiMoA14CrMnSiNi2MoA30CrMnSiNi2A(超高强钢)-4-牌18CrMnTi20CrMnTi30CrMnTi40CrMnTi25CrMnV35CrSi38CrSi40CrSi16CrSiNi30CrSiMo40CrSi2Ni2MoA16Mo20Mo30Mo12CrMo12Cr1Mo15CrMo20CrMo25CrMo30CrMo35CrMo38CrMo42CrMo45CrMo50CrMo25Cr3Mo号Ac1730740765765735755763760745*780748735726*724*720790745745750757755760730730725770765760710710730732761755720790774~803795770783~803827800Ac3820825790820820830810815845*860802875~900845*825*880900845840830807800780780800760835810885830830795774828830825900882~914930870885~922909930Ar1690680660640715680715Ar3730740680Ms365360310420340755330325390*350290610830420420*390*69569550466569369569079038079074674576375043538036534532032031031029036033530Cr3MoA(渗碳、渗氮钢)38CrMoAlA(渗碳、渗氮钢)15CrMnMo20CrMnMo30CrMnMo40CrMnMo20Cr2Mn2MoA30CrMnMoTiA30CrMnWMoNbV12CrMoV12CrlMoV12CrlMo1V15CrMnMoVA17CrMo1V20Cr1Mo1VNbB20CrMoWV675620620640655515774761~787674741~785793740740740360249385246735310350355865830~895780811~838862330400376-5-牌20Cr3MoWVA24CrMoV25Cr2MoV25Cr2MolVA30Cr2MoV号Ac1820790770780781795755770780750755690715725725710685690670670665650615610650650725715720730725725732710700699710705720670685685Ac3930840840870833835835895850830790810770755800820810760750750740720775765710800830800770775770794820760780770780795780775760Ar1690680690700711600Ar3790790780790747Ms33034033031035627032032032Cr3MoVA(渗碳、氮钢)35CrMoVA35Cr1Mo2V38Cr2Mo2VA(超高强钢)45CrMoV55CrMoV30Ni40Ni50Ni15NiMo10Ni212Ni325Ni330Ni335Ni340Ni360Ni410Ni513Ni540Ni550Ni515NiMo12CrNi20CrNi40CrNi45CrNi50CrNi12CrNi2A12CrNi3A(渗碳、渗氮钢)20CrNi3A30CrNi3A37CrNi3A18CrNi4A(渗碳、渗氮钢)20Cr2Ni2V12Cr2Ni4A(渗碳、渗氮钢)20Cr2Ni4A35Cr2Ni4A680715265365330320650750330425450340310310310350360240650670680660680680671660500650640570605585621670675630649630763790702410305310300395380340320280360390390305320750330-6-牌40Cr2Ni420CrNiMo30CrNiMo35CrNiMo40CrNiMoA17CrNi2Mo30CrNi2Mo35CrNi2Mo40CrNi2Mo12CrNi3Mo号Ac1680725730730720690695695680710695740680705690700700730740750690730660700715720720725680740725725755766765755740752760750695720*Ac3750810775810790810785780775800770780770760790740750780780790785770770810820765790780800790780774870840820790780780850810800800*Ar1Ar3Ms24039634034068032035031030038532029031031037032527032035035539537037039020016CrNi3MoA(渗碳、氮钢)25CrNi3MoAl30CrNi3Mo35CrNi3Mo12CrNi4Mo30CrNi4MoA35CrNi4Mo35Cr2NiMo30Cr2Ni2Mo35Cr2Ni2Mo12Cr2Ni3Mo35Cr2Ni3Mo12Cr2Ni4Mo18Cr2Ni4Mo20Cr2Ni4Mo35Cr2Ni4MoA(超高强钢)45CrNiMoVA30CrNi2MoVA25CrNi3MoV30CrNi3MoV35CrNi3MoV32CrNi2MoTiA(防弹钢)15CrV20CrV30CrV40CrV45CrV50CrVA35Cr2V35CrW18CrNiWA30CrNiWA650640275320330320320318770704700688782745746746435435355340315300310370310350*-7-牌30CrNi2WVA号Ac1706*695685660600835795654715720720715708735746725728735749740740725730725730730730730730710720675776740816715770825840Ac3(Accm)785*810770760800940非调质钢862840845798798800798818796800815800800797790碳素工具钢765750760(800)(810)(820)(830)(850)合金工具钢810821851780833770825920922Ar1350300Ar3(Arcm)400Ms320*310290300310~32018Cr2Ni4WA(渗碳、氮钢)25Cr2Ni4WA35Cr2Ni4W16Co14Ni10Cr2MoE12WMoVSiRELF10MnSiTiLF10Mn2VTiBLF20Mn2VGF30Mn2SiVGF32Mn2SiVYF35VYF35MnVYF35MnVNF40MnVYF40MnVF40MnV(Ti)GF40SiMnVSF45VYF45VYF45MnVT7(A)T8(A)T8Mn(A)T9(A)T10(A)T11(A)T12(A)T13(A)T10Mn2SM1CrNi3(P6)1Ni3Mn2MoCuAl2Cr3Mo2NiVSiY20CrNi3MnMoAl(P21)3Cr2MoWVNi3Cr2MnNiMo3Cr2Mo(P20)3Cr3Mo3VNb3Cr3Mo3W2V804696623608880380714702405394343350351639667619632680731755714694747296320405345310310260700700690700700700700700280220190200185200190125600382672715517409270290268280640734786760810839335355373-8-牌3Cr2W4V3Cr2W8V(H21)3Cr3Mo3VNb4CrMnSiMoV4CrSi4CrSiV4CrMoVSi4CrW2Si(SKS41)4CrW2VSi4Cr3Mo2MnVB号Ac1820820825792745765850780800801789770770810850821830853860835815875755764792*780710710730740695720730750837810836775770705737775Ac3(Accm)840(925)(920)855860830910840875874910Ar1690773734660725725735730680Ar3(Arcm)(838)810770Ms4003803552902903301303152757593422633203204Cr3Mo2MnVNbB4Cr3Mo2MnWV4Cr3Mo2NiVNb4Cr3Mo3SiV(H10)4Cr3Mo3W2V4Cr3Mo3W4VTiNb4Cr4Mo2WVSi4Cr5MoSiV(H11)4Cr5MoSiVl(H13)4Cr5MoWSiV4Cr5Mo2MnVSi4Cr5W2VSi5SiMn5SiMnMoV(S2)5Cr3MnSiMo1V(S7)5Cr3W3MoSiVNb5CrMnSiMoV5CrMnMo5CrNiMo(L6)5CrNiMoV5CrNiMnMoVSCa5CrNiTi5CrNiW5Cr2NiMoVSi5Cr4Mo3SiMnVAl5Cr4Mo2W2SiV5Cr4Mo2W5V5CrW2Si(S1)6CrSi6CrNiMnSiMoV6Cr4Mo3Ni2WV6CrW2Si910930880910912915920893915790788835*920760760780815735770820874902885893860830740822810750735752670735775740730690825850750810815825840360400255310340290271275300254*665650650680650305700625700744725710580650725725680730378330215220230210220230205751785816243277290250295250605174180280-9-牌6Cr4W3Mo2VNb6Cr6W3MoVSi6W6Mo5Cr4V7MnSi27CrSiMnMoV7Cr4W3Mo2VNb号Ac1820875820750776810~830876785770785740*710736770730755750760750735750745730730740730745770795785845810830810810815810730740740745770~805Ac3(Accm)(905)775834(925)820830761*(760)(765)(870)(860)(850)(900)(865)(780)(770)(785)(900)770(950)(980)(930)(900)740(900)(835)(905)(835)(855)(875)(875)Ar1730755730694740~760725660750700625652730700710708655676700700700700700700640760705715755750750695760Ar3(Arcm)790Ms220250240215732(816)7107702112201051843702157Cr7Mo3V2Si(LD1)7Cr4W7MoV8Cr2MnMoWVS8Cr38CrV9Mn29Mn2V(O2)9SiCr9Cr29Cr2Mo9CrWMnMnSiMnCrWV(O1)SiMnMoSiMnWVNbCrVCr06CrMnCrMnSiCr2Cr2Mn2SiWMoVCr4W2MoVCr5MolV(A2)Cr8Mo2SiV(DC53)Cr12(SKD1)Cr12MoV(SKD11)Cr12Mo1V1(D2)Cr12MoCr12MoWCr12VVVTiW(F1)W2W3CrV(690)180160270190230245190(720)130240200(740)245240(605)(750)(800)(770)(785)(695)190142180115180230190230255180200(680)250(770)(760)(820)(950)700670710720710~730-10-牌CrWCrW4CrW5CrWMn(SKD31)9Cr6W3Mo2V2Cr4W2MoVCr6WVCr8MoWV3SiCr12W9W18Cr4VW18Cr4V(T1)W18Cr4VCo5(T4)W14Cr4VMnREW12Cr4V4MoW12Mo3Cr4V3N号Ac1760760760750795795815858815810810~860820795835830835~860820830~860820830810840850810820750835823~852845810~845830~860836~877815815827810~820830~855Ac3(Accm)(805)(790)(790)(940)高速工具钢(820)(900)(845)907(865)(845)(865)(875)(860)855870Ar1725700710Ar3(Arcm)Ms(730)255220760625715726(753)(775)142150215180135150~200130~190770765225175140170W12Mo3Cr4V3Co5SiW10Cr4V4Co5W10Mo4Cr4V3AlW9Cr4V2W9Mo3Cr4VCW9Mo3Cr4VNW9Mo3Cr4V3W9Mo3Cr4VAlW9Mo3Cr4VCo5W8Mo5Cr4VCo3NW7Mo4Cr4VW6Mo5Cr4V2(M2)W6Mo5Cr4V2Co5W6Mo5Cr4V2AlW6Mo5Cr4V3W6Mo5Cr4V5SiNbAlW6Mo5Cr4V2Co5W4Mo3Cr4VSiW3Mo2Cr4VSiW2Mo9Cr4V(M1)W2Mo9Cr4V2(M7)W2Mo9Cr4VCo8(M42)30W4Cr2VA50CrMn50CrMnV(890)(870)(875)(850)(875)(890)(845)(830)(885)(924)736(781)740(780)115200195160210220195116145131220120140160739~753220170140195210150(855)(865)845~860弹簧840785787钢690690686745820740735400300290-11-牌50CrVA67CrVA(TDSiCr)55CrMnVA55SiMnB55Si2Mn55Si2MnB55SiMnMoV55SiMnMoVNb55SiMnVB55CrMnA55CrSi号Ac1752732750740775770745730750750765*763*730700755765770740735*735*700745755765756780轴750730725685765752735740738760770750765743745Ac3(Accm)788772*787780840825815770775775825*823*790760810780780790765*765*805800802780800810承825830810775858(824)(860)(887)(775)(900)(872)(785)(810)(873)钢Ar1688686648690690610590670Ar3(Arcm)746745680745690685700Ms300228*275240300289290292250290*256*28526460CrSiV(TDSiCrV)60SiMn60SiMnMo60Si2MnA60Si2CrA60Si2CrVA60Si2Mo60CrMnA60CrMnBA60CrMnMoA60CrMnSiVA65MnSiV65Si2MnWA70Si2CrA70Si3Mn(A)G20CrMo(AISI4118)G20CrNiMo(AISI8620)G20CrNi2Mo(AISI4320)G20Cr2Ni4G55SiMoVAG8Cr15GCr6GCr9GCr9SiMnGCr15GCr15SiMnGCr15SiMoGCrSiWVGMnMoV(RE)GSiMn(RE)700700710770305260260*260*655675700220700680669630585687684700690700695708695692677674(698)721724707775770740630759780290380395380305304240192205170240200210200175150705255270255-12-牌GSiMnVGSiMnVREGSiMnMoVGSiMnMoVRECr4Mo4V(M50)号Ac1755745740742726875850800820820800~840830840800~850825860760735~785715760820732727706865900840810815815875Ac3(Accm)(780)(785)(800)(887)(840)(925)不锈耐热钢8909058508939508901000900985815885~920815810890Ar1680680681682720745765780700671700750780Ar3(Arcm)(705)(730)(727)(702)(778)(800)790820820743742790Ms100125115130Cr14Mo4V(AISI618)1(12)Cr6Si2Mo0(06)Cr131(12)Cr132(20)Cr133(30)Cr133(30)Cr13Si3(32)Cr13Mo4(40)Cr136(60)Cr13Mo3(31)Cr17Mo1Cr10Co6MoVNb1(13)Cr11Ni2W2MoV1Cr12Ni3Mo2V1(14)Cr12Ni2WMoVNb1(15)Cr12WMoV1(12)Cr13Ni2(414)1(14)Cr17Ni2(431)2(25)Cr13Ni24(42)Cr9Si24(40)Cr10Si2Mo8(83)Cr20Si2Ni9(95)Cr18102Cr17Mo(9Cr18Mo)11(108)Cr17(440C)(110)Cr14Mo4V370340320240250270210175*360279~345305290670760274143780935970920840840925740765740745765800765805810830870320190280305170145145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16

AC1=723-10.7Mn%-16.9Ni%+29.1Si%+16.9Cr%+290As%+6.38W%(℃)-13-AC3=910-203C%-15.2Ni%+44.7Si%+104V%+31.5Mo%+13.1W%Ms=539-423C%-30.4Mn%-17.7Ni%-12.1Cr%-7.5Mo%(℃)(℃)3.按GB/T20878-2007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Ac1650*1670662*1640632613*1667*1655*1775*1810*1

Ac3705*6740702*6750707690*6790*6790*6830*6890*6

Ms93140165*314011869*3162*3121140*5155*5

δ含量(%)11.78.04.23.42.65.71.2-4.7-2.60.6A.R.I16.215.514.513.917.220.117.519.718.816.006Cr17Ni7AlTi(StainlessW)05Cr17Ni4Cu4Nb(17-4PH)05Cr15Ni5Cu4Nb(15-5PH)06Cr15Ni5Cu2Ti(08Х15Н5Д2Т)04Cr15Ni6Cu2Nb(Custom450/XM-25)035Cr16Ni7AlTi(Croloy16-6PH/ЭИ814)05Cr14Ni5MoCu2Nb(FV520B)04Cr13Ni8Mo2Al(PH13-8Mo)15Cr15Co13Mo5V(AFC-77)12Cr12Co10Mo6(Х12К10M6)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+50V(Irving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-53Al(Pickering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)。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.И•Я•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Ac1660*1700*1660*1755*1745*1605Ac3725820808830827658-14-Md30644152462869Ms-15*3-6*3-9*3-35*5-33*5-10δ含量(%)3.7-0.6-2.16.73.05~2007Cr17Ni7Al(17-7PH/631)07Cr15Ni7Mo2Al(PH15-7Mo)07Cr14Ni8Mo2Al(PH14-8Mo)09Cr17Ni5Mo3N(美S35000/AM350/633)12Cr16Ni5Mo3NbN(美S35500/AM355/634)07Cr12Mn5Ni4Mo3Al06Cr16Ni6(16-6PH/07Х16Н6)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+50V(Irving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-53Al(Pickering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)。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.И•Я•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04Cr13Ni5Mo(美国S41500)022Cr13Ni6MoNb025Cr16Ni5M(阿维斯塔·谢菲尔德248SV)022Cr12Ni10Cu2TiNb(Н10Х12Д2ТБ)022Cr12Ni8Cu2TiNb(Custom/S45500/XM-16)03Cr11Ni9Mo2Cu2TiAl(04Х11Н9M2Д2ТЮ)015Cr12Ni10AlTi02Cr12Ni7MoAlCu008Cr12Ni6Mo3Ti(住友13-6-2.5Ti)022Cr15Ni6Ti(Almar362)015Cr12Ni5Mo2V(英钢联12-5-2)015Cr13Ni5Mo2Cu2(新日铁CRS)015Cr12MnNi7Mo3Cu(沙勒洛伊12-6.5-2.5)02Cr12Ni9Mo4Cu2TiAl(瑞典1RK91/S46910)022Cr12Ni9Mo2Si012Cr12Ni9Mo2AlTi(X1CrNiMoAlTi12-9-2)015C12Ni11Mo1Ti(Custom465/S46500)号Ac1(℃)680*1650*1480*2500*2550*1590*1530*1640*1675*1630*1690*1690*1645*1618*1618*1604*1505*1

Ac3(℃)715*6765693760760770*6765*6745*6785*6735*6780*6735*6752*6865775*6827*6812*6-15-Ms(℃)105*4153*56382*596*566*398*593*435*486*468*430*498*514*317*575*542*3

δ(%)0.1-0.76.9-8.03.22.8-9.2-4.7-1.410.6-0.91.3-3.84.6-8.4-5.06.3A.R.I15.918.418.419.618.319.419.917.317.318.116.515.417.62119.419.821.2022Cr12Ni10Mo2CuTiAlVB02Cr10Ni10Mo2TiAl(Marvac736/In736)01Cr13Ni7Mo4Co4W2Ti02Cr13Ni4Co13Mo5(日NASMA-164)022Cr12Co12Cu2(03Х12К12Д2)03Cr14Ni4Co13Mo3Ti(04Х14К13Н4М3Т)03Cr12Ni4Co15Mo4Ti(Н4Х12К15М4Т)562*1565*2635*1643*1665*1610*1610*1

795*6760*6775*6810*6700*6770*6860*6

6.6*4113*555*3174*5215*442*421*4

5.8*3-11.9-6.4-10-4.2-4-2.521.318.922.021.313.520.920.7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+50V(Irving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-10Cu(Tricot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%-46Mo(Pickering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-53Al(Pickering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.И•Я•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(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。超临界机组用耐热钢的临界点参考值(℃)牌ER90S-B9T/P9(12Cr9NiMo、(X11CrMo9-1+1)T/P91(10Cr9Mo1VNbN)(巴西V&M钢管公司)(巴西V&M钢管公司)Cu1BN)T/P911(11Cr9Mo1W2VNbCu1BN)21号Ac1(℃)802*1800*1815*18401842*1830*1

Ac3(℃)875845900*2912*2895*2915*2

Ms(℃)370350365*4360*4305*4350*4

δ(%)-0.8-1.71.0*50.4*54.4*50.5*5

Bs(℃)------T/P92(10Cr9MoW2VNbN)21T/P122(10Cr11MoW2VNb-16-09Cr5MoTi(T/P5C)10Cr5MoWVTiB(G106)10CrMoG(T/P12、10CrMo5-5)15CrMoG(13CrMo44)12Cr2MoG(T/P22)12Cr2MoWVTiB(102)07Cr2MoW2VNbB(T/P23)07Cr2MoVTiB(T/P24)15Ni1MnMoNbCu(15NiCuMoNb5-6-4、T/P36)12Cr12Mo15Cr11MoV15Cr12NiWMoV12Cr10MoWVNbN(X12CrMoWVNbN10-1-1)18Cr11NiMoVNbN(X20)06Cr11MoW2Co2VNbBN(欧NF12)15Cr11MoW1Co1VNbBN(德VM12)08Cr11Co3W3VNbTaNdN(日SAVE12)12Cr10MoWVNbN(X12CrMoWVNbN10-1-1)11Cr10MoW2Co3VNbBN(俄TOS303)09Cr11Co3W3VNbBN(G112)0~13%的合金耐热钢。)765*1800*1750*1730*1758*1780*1780*1775*1715*1810*1820*1820*1830*1820*1835*1840*1840*1825*1805*1840*1

880*2935*2870*2820*28452920*2903*2900*2850*2815*2853*2835*2890900*2900*2890*2900*2870*2870*2905*2

330*3315*3355*3370*3342*3365*3400*3352*3280*3290*4315*4270*4310*4265*4380*4315*4385*4315*4400*4380-2.6*5-0.5*5-18.5*5-21.7*5-15.7*5-14.5*5-15.0*5-12.5*5-25.2*56.4*52.3*54.0*52.0*53.7*53.8*53.5*52.0*50.1*5-1.4*51.7*5

440*6385*6505*6555*6468*6526*6510*6490*6530*6

----------注:1*1.AC1(℃)=AC1=723+25Si-7Mn+6.2Cr-15Ni+20Mo-12Cu+50V-10Co+21W(适用于Cr含量2*2.Ac3(℃)=910-203C+44.7Si-10Mn-4Cr-15.2Ni+31.5Mo-15Cu+104V+21W+200Al+200Ti+250Nb-4Co(安德魯斯K.W.Andrews公式中+31.5Mo修改为+35Mo、+13.1W修改为+21W,-10Mn-17Cr-15Cu+200Al+200Ti+250Nb-4Co为笔者增补的修正项,Cr≥6%时,随着Cr增加需将系数逐步调小,马氏体耐热钢Cr为8%~12%时系数可设为4。)3*3.4*4.Ms1(℃)=502-810C-13Mn-12Cr-30Ni-54Cu-46Mo-1230N(Pickering公式,适用于Ms2(℃)=550-350C-40Mn-35V-20(Cr-3)-17Ni-10Cu-10Mo-5W+15Co+30Al+奥氏体-马氏体不锈钢的临界点计算。)67B(适用于马氏体耐热钢的Ms点的预测)。5*5.δ1(%)=2.4Cr+1.0Mo+1.2Si+14Ti+1.4Al+1.7Nb+1.2V-41C-0.5Mn-2.5Ni-0.3Cu--17-1.2Co-18(И•Я•索科夫Сокол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。)6*6.Bs(℃)=630-45Mn-35Si-30Cr-20Ni-24Mo-40V-12W(适用于Cr-Mo-V-型耐热合金钢,当钢的成分处于下列范围:C0.1%~0.55%、Mn0.2%~1.7%、Cr0.1%~3.5%、Ni0.1%~5.0%、Mo0.1%~1.0%,测算偏差为±(20~25℃))。参考文献1《钢的过冷奥氏体转变曲线》第一图册,本溪钢铁公司第一炼钢厂、清华大学机械系金属材料教研组合编,1978(内部资料)。2《合金钢钢种手册》第一册~第五册,冶金工业出版社,1983。3《钢及热处理曲线手册》国防工业出版社,1986。4《合金钢热处理手册》[苏]H.B尔格尔,中国铁道出版社。5《热处理工作者手册》[美]机械工业出版社。6《钢的热处理原理》[美]G.克劳斯,冶金工业出版社。7《结构钢手册》王洪明编,河北科学技术出版社,1985.8。8《微合金非调质钢》董成瑞等编,冶金工业出版社,2000.19《轴承钢》钟顺思等编,冶金工业出版社,2000.11,第1版。10《高速工具钢》邓玉昆等编,冶金工业出版社,2002.311《模具钢》徐进等编,冶金工业出版社,2002.512《中国航空材料手册》,中国标准出版社,2002.7,第2版。13《不锈钢实用手册》,中国特钢协会不锈钢分会编,中国科学技术出版社,2003年9月第1版。14《热处理手册4》,编委会,机械工业出版社,2006年2月第3版。15《热处理技术数据手册(第2版)》,樊东黎、徐跃明、佟晓辉主编,机械工业出版社,2006年4月第2版;16《材料组织结构转变原理》,刘宗昌等编著,冶金工业出版社,2006年9月第1版;17《弹簧手册》张会英、刘辉航、王德成主编,机械工业出版社,2008年8月第2版;18《模具材料及热处理技术问答》郝少样编,化学工业出版社,2010年3月北京第1版;19《中国高温合金手册》,中国质检出版社、中国标准出版社,2012年7月秦皇岛第一版;20《金属手册案头卷》(国际机械工程先进技术译丛)MetalsHandbookDeskEdition,〔美〕戴维斯(J·R·Davis)等编著,金锡志译,机械工业出版社,2011年1月第1版。21《热处理工艺规范与数据手册》,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;21瓦卢端克·曼内斯曼钢管公司(筒称V&M钢管公司)《T/P91和T/P92钢手册》。T/P91和T/P92为超马氏体型焊接材料,用于超超临界机组锅炉结构焊接;22.美国ASMESA213M-2010《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ASMESA335M-2010《高温用铁基合金钢无缝管》。-18-

因篇幅问题不能全部显示,请点此查看更多更全内容