常用材料的热物性值.doc

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1、表1各种金属的热物性值金属温度°C比热导热系数密度p(g/cm3)液相cal/(g•°C)cal/(cm・se°C)线、固相线温度(©250.1070.192p=7.88(20°C)2000.1240.152=7.3(1500°C)4000」450.120=7.0(1600°C)纯铁7690.3580.0748000.2300.07110000.1480.07015000.1800.03200.1120.142p=7.86(15°C)镇静钢2000」240.1284000.1420」07(C0.08%)8000

2、.2300.06812000.1580.07100.1120.124p=7.86(15°C)软钢2000.1240.1164000.1420.102(C0.23%)8000.2280.06212000.1580.071250.1110.103碳素结构钢2000.1250.095(S35C)4000.1340.0798000.2850.07800.1120.124p=7.85(15°C)中碳钢2000.1220.1154000」400.100(C0.4%)8000.1480.05912000.1560.07100

3、.1080.119p二7.85(15©共析钢2000.1280.1084000」440.091(CO.8%)8000.1460.05812000.1600.07200.1080.103p=7.83(15°C)工具钢2000.1300.1024000」420.089(C1.2%)80001560.05712000.1560.068续表1各种金属的热物性值金属温度OC比热导热系数密度p(g/cm3)液相cal/(g•°C)cal/(cm・se°C)线、固相线温度(©00.1200.060p=7.73(15°C)20

4、00」260.072Ts=1488Si2%钢4000.1440.074Tl=14978000.3260.06012000.1600.070200.114p=7.84(15°C)2000」240.106Ts=14205%钢4000.1420.092Tl=15208000.2060.06212000.1460.072200.1140.053p=7.7(15°C)不锈钢2000.1190.05513.1Cr,0.5Ni(AISI420)4000.1460.058Ts=13998000.2140.064Tl=14541

5、2000.1360.06900.1180.03518〜20Cr,8〜12Ni不锈钢2000.1280.043Ts=13994000.1360.050Tl=1454(AISI304)8000.1540.06312000.1600.07620(0.128)0.154p=7.0(15°C)过共晶灰口铸铁200400(0.134)(0.140)0.1240.094比热相对于普通铸铁800(0.168)0.071900(0.173)0.053200.1862000.141共晶灰口铸铁4000.1048000.070120

6、00.036200.101p二7」(15°C)2000.087球墨铸铁4000.1190.0728000.05110000.041金属温度。C比热cal/(g•°C)导热系数cal/(cm*s>OC)密度p(g/cm3)液相线、固相线温度(©200.045p二7.5〜7.8(15©2000.051白口铸铁4000.0538000.04712000.048200.0920.956p=8.92纯铜2000.0930.931Ts=Tl=10836000.1060.87410000.1150.8031200200.10

7、50」22Cu90%〜Al10%2000.1110.156Ts=10306000.1240.233Tl=104210000.1360.310200.0940.267Ts=915Cu70%〜Zn30%2000.1000.349Tl=9556000.1130.3599000.1230.367200.0920.302Ts=900Cu60%~Zn40%2000.0970.346Tl=9056000.1080.3619000.1160.334200.0930.069Ts=1170Cu70%〜Ni30%2000.1010.

8、088Tl=12406000.1120.13010000.1230.172200.1010.056Ts=1227Cu60%〜Ni40%2000.1050.074Tl=12806000.1150.11310000.1250.15212000.1300.172200.2150.565ps=2.70(15°C)纯铝2000.2350.570Ts=Tm=660.25000.2680.52966