常用钢材的热物理属性

1、不锈钢及结构钢®316L不锈钢Temp yConductivity WmrCSpecificHeat KJ/K 厂CTherlEipUDMlNI 1 it6You ns's Mod«lusGPaFois son's RatioYiM (02% Proof Stress)YMd(l%PlMk jStrah)MPa1Kt：ml2013310.4707966IS 24195 10 267271525tooI46S0.487?9371,80191.20.2732327220016.330.5(Wnn16 4318570.29019)22610017.930.5297

2、«57169717960.3116119640019.470.530?«I417.44IT260.322151ISO50020%0.571776917.85164.30.31314617160022.38OS%7?241821155.00.2961411657002)7606137677IBM144.10.282I3J156SOU25.070.63476JO1883131.40 26281612815090026330.63575831911116 80.2492773«5100027.530.676753519.38100.10.22910)8313611002

3、8.670.6987486196681.10.22311491518120029.760.7197436199559.30.22312609II142031.9S0.765732020.72.0012333314603200.7657320».?2.00.22)33.330003200.765732020.12.00.22333.3SUS 304Thermal phjMcal properties and mechanical propenics of SI "04Tcmpcratuic (°C)Spsifk hcatU/g°C)Conductivity

4、DciaI>Yicki stress (MIIThermal expansion oodticicnt (°CYounjl modulus (GRi)Pubunf、 ratio0.00*)0.4620.01460.790265.00L7Ue-5198.300294100X»0496001510 7dfi218 001.7193.0)02952MM0.512001610.78318600l.8i)c-5185.00030130030.5250.01790.779ro.oo1.86c-5176.000310400 JUU.54O0.018U0.775155.001.9le

5、-5167.UJ031X60030770.02080.766149.001.96e-51S9.UU0326HMMO64M002390 75691 002.02e-5151.0003331200jO0.6760.03220.73725.CKH)2.07c-560.0003391300X)0.6920.03370.73221.000lllc-520.0)003421S00JU(1.7000.1200.73210.002.16c-5IO.UUU0388参考:1D Deng, H Murakawa Num亡rical Simulation of ten?)erature field and resid

6、ual stress in multi "pass welds in stainless st eel pipe and comparison with experimen tai measurements Computa ti onal Materials Science 37 (2006) 269277®ASTM A36 柑对 J： Q235 材质Table I. Ihcrnidphysical Matcri<il Properties of A36 I sing in tlx? SimulationNomendatureValueNomendatureValue

7、Density (kg m3)7800CTE (m/m K)14.4 x 10"*Viscosity (kg；ms)6x io"liquidus temperature (K)1798Thermal comiuctivity (s)temperature dependentAolidiiA temperature (K)17&Thermal conductivity (I) (W/m K)26vaporized tcmpcraturc (K)2900Specific heat of solid (J/kg K)b86heat-transfer coctliaent

8、(W/m* K)100Specific heat nf liquid (J/kg K)呛emk«ivitynsLatent heat of filsion (J/kg)2.77 x KPnutciidl paincability (II mi1.26x 10"*Latent heat of vaporization (J kg)7.34 x 106drag coeflkient constant1参考：1 MIN HYUN CHO and DAVE F. FARSON. Understanding Bead Hump Formation in Gas Metal Arc W

9、elding Using a Numerical Simulation, METALLURGICAL AND MATERIALS TRANSACTIONS B, VOLUME 38B. APRIL 2007-305ASTM 1005钢 相对于05F低碳结构钢TABLE I. Pliysical properties of 1005 steel used in. the calculation.Physical propertyValueLiquidus temperature.(K)1802.0Solidus temperature.(K)1779.0Density of liquid met

10、al, p (kg/m3)7.2X1O3Effective viscosity of liquid, “(kg/ms)0.1Tliemial conductivity of solid.(J/ms K)36.4Effective diemial conductivity of liquid. ki (J/m s K)109.2Specific heat of solid, Cps (Jzkg K)754.0Specific heat of liqmd. CPL (J/kg K)754.0Temperatxire coefficient of surface tension. dyldT (N/

11、m K)-0.43X10-3Coefficient of thermal expansion. 0 (K 】)1.7X10-6Magnetic permeability. fjLm (N/A2)1.26x10-6参不：1 W. Zhang and G. G. Roy, Mode 1 ing of heat transfer and fluid flow during gas tungsten arc spot welding of low carbon steel, JOURNAL OF APPLIED PHYSICS, 2003, 93 (51)cSjMnPS0. 160. 391.380.

12、 0180 025« 4-10 lIMn 热输性数刿 />wt 7. 840 Mg/m9T.Crr.J(kg K7i.W(m K) «200.123046244.551000. 113948142. 952000. J 0305M4>. 023000.09205303& 234000. 081456035. 745000. 07006053X206000. 057«68030. Bl7000.04SS82429. 397630. 036013W.38)800o.oisi71825. 399000.054261526. 1310000. 0540

13、60425. 57注：试样为復轧飲怎.）6Mn钢的化学成分及其热物性见表4-9和表4-10.*< WMn的化学成分由于低合金结构钢是在低区钢基础上发展来的故其热物性 也与低碳钢有类似的规律.低合金钢的主要伸点是艮含碳儀越高 导热性趁差，硅、碑、皈的含虽也对导热性有不利影响低合金结构 谓中持世加入的合金元真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 丰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敢率有最小值，而比热容却有最大值. 基体组织和晶粒大小对热物住的形响也有跟低碳钢共同之处.cSiMnpsNiCr

14、C«350.340 300.680.0190.0210.010.0)0. 0?450. 460.240.640.0120.0280.010.01a oi«112优结构的热性徽据7- 824Mg/mT.CicPU(k| K)-»厶.W(m K)*'200. 129147247. 61100a 116748043. S32000. 103849840.413000. 09305243& IS4000. 082256036. 025000.071061534 1«GOO&05S470031. M7000 042985428.6(7550

15、. 03)21064<26. H)8000 042080626. 45f>00a 052063726. 921000a 051060224.02注，试680-700V3h® A优的化学成分叭"）碗钢的晶粒越大晶界面积越小则导热性越高；（5）碳钢.特别楚高碳钢，不论原始组织状态如何其导热性在500C以上渐渐总千一致因为这时的组织也新渐趋丁一致（】）找钢热物性随温度变化的规律雄本上与工业纯铁-样.760 CW近有居里点，发生有序-无序转变.比热容出现峰值热扩 敬率有虽小值；（2）随着含碳域的增加.碳钢的热扩散率和导热系数明显降 低，而且比热容略有上升；（3）麻钢的导

16、煥性按马氏体、同火马氏体、冋火索氏体、珠光体 和铁素体的顺序依次提高而比越容兀按此顺序稍为降低；低碳钢（CW0. 25%）,屮碳钢（C为0. 25-0. 6%）和高碳钢（00. 6%）。优质碳素结构钢按倉猛就不同分为正常倉猛就（含怯 0. 25%-0. 8%）和较高含链起（含怯0.70%-1. 20%）两组，后者貝冇较好的力学性能和加工性能。低碳钢包括：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、30Mn、40Mn、 50Mn、60Mn等：高碳钢包括：65、70、65Mn等。参考文献谭其，郭

17、广文.工程介金热物性.冶金工业出版社.纯铁60504030201001800Molten ironZ = 2 15*10(丁 1818) + 33.3(S.D.: 0.62): RunlO : Run2; Run3:Linear fit to the exp. data(18】8 亠 1868):Zinovyev et a/13 :Touloukian ct arTable I. Chemical Composition (Lnit: Mass Percent)for Iron. Cobalt, and Nickel Samples Presently Investigated1850Fig

18、8一Thermal coixluctivity of molten iron as a function of tcmpcratlire. Symbols of C, O, and and denote the results obtained at different run.ChemicalCompositionMetalFeCoNiC0.0180.001<0.01Si0.002<0.01Mn0.002<0.000020.01P0.20 001S0.0020.0001<0.001Fe<0000060.02Co<0.01TSUYOSHI NISHI, HI

19、R0YUKI SHIBATA. HIR0MICHI 0HTA. and YOSHIO WASEDA, Thermal Conductivities of MoltenIron, Cobalt, and Nickel by Laser Flash Method METALLURGICAL AND MATERIALS TRAMSACTIONS 人 VOLUME 31A,DECEMBER 2003-2801Fhysi cul properti esPhasesolidDensity (xlcu" r. t.)7. 874 誉 cr> 'Li quid densi ty at!

20、>6. 98 g elting point1811 K, 1538 0 C,2800 0 FBoiling point3134 K, 2862 0 C,5182 0 FHeat of £usi on13.81 kJ. mol-1Heat of apori rati on340 kJ-mol"1lol aratc&p &ci ty25.10 丁 血肛7 kTThe least-squares fit for thermal conductivity (in W K"1 m") versus temperature is2 =4.697

21、99-1-0.01517in the range 1808 < T < 3000 K.(8)Measurements also by Zinovyev et aL give 石=36 WK" m10 and Ostrovskii et al. give 入=26 W K" m" 15.1 來自Wikipedia.纯铁的物理属性2 G Pottl acher» Thermal con due tivity of pulsehea ted liquid m亡 t als at mel ting and in the liquid phase &g

22、t; Journal of Non-Crystalline Solids 250±252 (1999) 177±1811金属的密度钢的密度在杂质浓度比较小的情况M如卜线性关系: 焊丝含竹I 0. 1%, Mn 1. 5%, Si 1%p=pQ + xpPo纯铁的密度，kg/m5x杂质的质最分数,p增加1%的杂质对钢密度的影响p= Po七 vAp = 7.874g/cm' + 0.08x(-0.04) +1.52x(-0.016) + 0.92x(-0.073) =7.75g温度对密度的影响Y S Touloukian, R. W. Powel, C Y. Ho, P

23、 KI emens, Thermophys i c a 1 Proper ties of Matt er, vol. PlenumPress, New Ycrk, KC, 1972«M2优啟建累结构钥的的热辆性就摇 加t 7. 824M”n?*4U0性数据 7.840M8/m>T.Ca.cros 1c,.j(kg- Kr»-r.ca .cm勺, K)->入W(m K) >_on0. 12300.113946218144. 554Z 95201000. 1291C. 1167472銘047. 6843. 531002000.1038m40. U2000 10305084>. 02300C.093062438.133000. 09205303R23400C. 082256036.024000. 081456035 745000. 0710615