常用钢材的热物理属性

1、不锈钢及结构316L不锈钢TempWConductivityWmrM：SpecificHeatKJ/K广CDen呵Kg.m5ThermalExpanMoni106YoungsModulusGPaPoisionsYield(02%ProofStress)Yield(1%PlasticStrain)MPa2013310.47079661524195026727832510014680.4J779371580191.20.2732332?220016330.J087898164JIS5.70.29019322630017.930.5297W7169717960311681964(H)19.470.5

2、3071417.44：72.60.322154IW50020.960.37t6917.85164.50.31314617160022.380.392772418.21155.00.2760-6)3767718.54144.10.2821331568W25.070.63476J0I8.8J131.402628)612815090026330.635758319.1111680.249277385100027.530.676753519.38100.10.22910383136110028.670.698748619.66810.22311491518120029.760

3、.719743619.9559.50.2231260911142031.950.765732020.72.0022333314603200.76573202072.00.22?33.330003200.765732020-2.00.22333.3SUS304ThermalphysicalpropertiesandmechanicalpropertiesofSUS3MTcmpcratufc(C)SpecifichcatJ/gC)Conductivity(J7min0C$)Density(g/mn?)Yiddstress(MPalThermalCKpansioncoctticicnt(C)Youn

4、g*smodulus(GPa)PoissonsratioO.OOX)0.4620.01460.790265.001.70e-5198.500294mono0.4960.01SI0.738218001.74.C-51930)0295200.000.512001610.783186001.845185.0)0.301300.000.5250.01790.779170.001.86c-5176.C00310400.000.5400.01800.775J55.00I.91e-5167.0)031860030.5770.02080.766149.00i.96e-5139.000326800XX)0.60

5、400239075691002.02e-5151.0003331200.00.6760.03220.73725.0002.07c-560.0003391300.00.6920.03370.73221.0002.11C-520.C0003421500.00.7000.1200.73210.00216e-510.0)00388参考：1DDeng,HMurakawaNum己:ricalSimulationofteneraturefieldandresidualstressinmulti-passweldsinstainlesssteelpipeandcougarisonwithexperimenta

6、imeasurements.ConutationalMaterialsScience37(2006)269-277ASTMA36相对于Q235材质Tabic1.IhcrniophysicalMatcriidPropertiesofA36LsingintheSimulationNomendatureValueNomenclatureValueDensity(kg/m)7800CTE(m/mK)14.4x10“Viscosity(kg/ms)6x10liquidustemperature(K)1798Thermalconductivity(s)temperaturedependentsolidus

7、temperature(K)17&Thermalconductivity(I)(W/mK)26vaporizedtemporalurc(K)2900Specificheatofsolid(J/kgK)686heal-transfercoefiicient(W/m2K)100Specificheatofliquid(J/kgK.)866emissivitv0.5Latentheatoffusion(J/kg)2.77x10、materialpermeability(Il/m)1.26x10“Latentheatofvaporization(J/kg)7.34x10dragcoefficientc

8、onstant1参考：1MINHYUNCHOandDAVEFFARSON,UnderstandingBeadHunFormationinGasMetalArcWeldingUsingaNumericalSimulation,METALLURGICALANDMATERIALSTRANSACTIONSB,VOLUME38B,APRIL2007-305ASTM1005钢相对J*05F低碳结构钢TABLEI.Pliysicalpropertiesof1005steelusedinthecalculation.PhysicalpropertyXalueLiquidustemperature.(K)180

9、2.0Solidustemperature.Ts(K)1779.0Densityofliquidmetal,p(kg/m3)7.2X103Effectiveviscosityofliquid,fi(kg/ms)0.1Tliermalconductivityofsolid,ks(J/msK)36.4Effectivethermalconductivityofliquid.竝(J/msK)109.2Specificheatofsolid.Cps(J/kgK)754.0Specificheatofliquid.CPL(J/kgK)754.0Temperaturecoefficientofsurfac

10、etension.dy/dT(N/mK)-0.43X10-3Coefficientofthermalexpansion,fi(K】)1.7X06Magneticpermeability,%(N/A2)1.26X106参考：1W.ZhangandGGRoy,Mode1ingofheattransferandfluidflowduringgastungstenarcspotweldingoflowcarbonsteebJOURNALOFAPPLIEDPHYSICS,2003,93(51)cSiMnPS0.160.39i.380.01800254-10lSMn热辆性数掏祇7.840Mg/m3T.CJ

11、(kgKLX.WmK)200.123046244.551000.)13948112.952000.J03050341.023000-092053038.234000.081456035.74SOO0.070060531206000.057868030.817000.015582129.397650.03601360(38.38)8000.01S171825.399000.054261526.1310000.054060425.5716Mn钢的化学成分及其热物性见表4-9和表4-10。发49l6Mn的化学成分M%注：试样为機轧状念由于低合金结构钢是在低發钢基础上发展来的故其热物性也与低碟钢有类似

12、的规律低合金钢的主要特点是其含碳量越高导热性越差，硅、磷、硫的含址也对导热性有不利够响。低合金结构钢中特意加入的合金元武不论是固溶于钢的基体,还是以碳化物形式析岀都有降低导热能力的作用合金元素的这两种存在形式寺降低导热能力的作用以前者较大.低合金结构钢同样在760C上下存在居里点这时热扩做率有垠小值而比热容却有最大值.基体组织和晶粒大小对热物咗的影响也有垠低碳钢共同之处。cSiMnPSNiCrCu350.340.300.680.0190.021o.0.010.02450.460.240.640.0120.0280.01O.OL0.01310优结构钢”乙5的化学成分,毗(O碳钢的晶粒越大晶界面积

13、越小则导热性越高；(5)碳钢特别是高碳钢不论原始组织状态如何其导热性在500C以上渐渐鈔于一致因为这时的组织也渐渐趋尸一致。T.C1cMJ(kgAtW(mK)-200.129147247.681000.1J5748043532000.103849840.413000.093052438】34000.082256036025000.071061534.166000.058470031.987000.04298542&667550.0302206406%)。优质碳素结构钢按含猛最不同分为正常含镒鼠(含包0.25%-0.8%)和较高含猛覺(含0.70%-l.20%)两组，后者具有较好的力学性能和加工

14、性能。低碳钢包扌舌：05F、08F、08、10F.10.15F、15、20F.20、25.20Mn.25Mn等；中碳钢包括：30.35、40、45、50.55、60.30Mn40Mn、50Mn.60Mn等；高碳钢包括：65.70、65Mn等。参考文献谭真，郭广文工程合金热物性冶金工业出版社.纯铁6050Molteniron2=2.15x102(71818)+33.3(SD：0.62)4030:Runl20O:Run2:Run310:Linearfittotheexp.data(1818rKl1868):Zinovyeveta/15.:TouloukianctTableI.ChemicalCom

15、position(Unit:MassPercent)forIron.Cobalt,andNickelSamplesPresentlyInvestigatedfioo185077KFig8ThermalconducUvityofmoltenironasafunctionoftemperatureSymbolsof,O.andanddenoietheresultsobtainedatdifferentrun.ChemicalCompositionMetalFeCoNiC0.0180.0010.01Si0.0020.01Mn0.0020.000020.01P0.20.001S0.0020.00010

16、.001Fe0.000060.02Co0.01TSUYOSHINISHI,HIR0YUKISHIBATA,HIR0MICHI0HTA,andYOSHIOWASEDA,ThermalConductivitiesofMoltenIron,Cobalt,andNickelbyLaserFlashMethodMETALLURGICALANDMATERIALSTRANSACTIONSA,VOLUME34A,DECEMBER2003-2801PhysicalpropertiesPhasesolidDensityGteax-r.t.)7.874g的一LiquiddLensityatd6.S8gcm3Belt

17、ingpoint1811K1538C?2800FBoilingpoint3134瓦2862C,5182DFHeatofusion13.31kJmol1Heatofvaporiration340kJ-mol-1olrheatc&p&city25.10J-mQl1K_1Theleast-squaresfitforthermalconductivity(inWK-1mJ)versustemperatureis2=4.69799+0.0151Fintherange1808TT.C4r,crn:$*15J(kgA,W(mKL1sJ(kgKLAtW(mK)1on0.12300.11390103046248

18、150844.5542.954).02201002000.12910.11670.103847248049847.68435340.441002003000.093052438133000.092053038.234000.082256036.024000.081456035.745000.071061534.165000.07006053X206000.058470031.986000.057868030.817D00.04?985428667000.015582429.39；550.03)21064(25.14)7650.03601360(38.38)8000.042080626.498000.015171825.399000.052063725.929000.05426152&1310000.051060224.0210000-054060425.57注点样经680700C3h退火.注点样为擁轧状态.参考文献谭真，郭广文工程合金热物性冶金工业出版社1994年9月第1版5-2普通低合金钢的热物性49号ia度t*C比糕卡/克*0ajstC导敘系败A卡/P米砂溫XrcaY/c200.11200.12720100202008.311000.1151000.12210.9916Ma2000.125200.1142030012.313000.1