金属热物性参数.doc

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1、表1各种金属的热物性值金属温度°C比热cal/(g·°C)导热系数cal/(cm·s·°C)密度r(g/cm3)液相线、固相线温度(°C)纯铁25200400769800100015000.1070.1240.1450.3580.2300.1480.1800.1920.1520.1200.0740.0710.0700.032r=7.88(20°C)=7.3(1500°C)=7.0(1600°C)镇静钢(C0.08%)020040080012000.1120.1240.1420.2300.1580.1420.1280.1070.0680.071r=7.86(1

2、5°C)软钢(C0.23%)020040080012000.1120.1240.1420.2280.1580.1240.1160.1020.0620.071r=7.86(15°C)碳素结构钢(S35C)252004008000.1110.1250.1340.2850.1030.0950.0790.078中碳钢(C0.4%)020040080012000.1120.1220.1400.1480.1560.1240.1150.1000.0590.071r=7.85(15°C)共析钢(C0.8%)020040080012000.1080.1280.1440.146

3、0.1600.1190.1080.0910.0580.072r=7.85(15°C)工具钢(C1.2%)020040080012000.1080.1300.1420.1560.1560.1030.1020.0890.0570.068r=7.83(15°C)续表1各种金属的热物性值金属温度°C比热cal/(g·°C)导热系数cal/(cm·s·°C)密度r(g/cm3)液相线、固相线温度(°C)Si2%钢020040080012000.1200.1260.1440.3260.1600.0600.0720.0740.0600.070r=7.73(15°C)Ts=

4、1488TL=1497Cr1%钢2020040080012000.1140.1240.1420.2060.1460.1060.0920.0620.072r=7.84(15°C)TS=1420TL=1520不锈钢(AISI420)2020040080012000.1140.1190.1460.2140.1360.0530.0550.0580.0640.069r=7.7(15°C)13.1Cr,0.5NiTS=1399TL=1454不锈钢(AISI304)020040080012000.1180.1280.1360.1540.1600.0350.0430.050

5、0.0630.07618~20Cr,8~12NiTS=1399TL=1454过共晶灰口铸铁20200400800900（0.128）（0.134）（0.140）（0.168）（0.173）0.1540.1240.0940.0710.053r=7.0(15°C)比热相对于普通铸铁共晶灰口铸铁2020040080012000.1860.1410.1040.0700.036球墨铸铁2020040080010000.1190.1010.0870.0720.0510.041r=7.1(15°C)金属温度°C比热cal/(g·°C)导热系数cal/(cm·s·°C)密度

6、r(g/cm3)液相线、固相线温度(°C)白口铸铁2020040080012000.0450.0510.0530.0470.048r=7.5~7.8(15°C)纯铜20200600100012000.0920.0930.1060.1150.9560.9310.8740.803r=8.92TS=TL=1083Cu90%~Al10%2020060010000.1050.1110.1240.1360.1220.1560.2330.310TS=1030TL=1042Cu70%~Zn30%202006009000.0940.1000.1130.1230.2670.34

7、90.3590.367TS=915TL=955Cu60%~Zn40%202006009000.0920.0970.1080.1160.3020.3460.3610.334TS=900TL=905Cu70%~Ni30%2020060010000.0930.1010.1120.1230.0690.0880.1300.172TS=1170TL=1240Cu60%~Ni40%20200600100012000.1010.1050.1150.1250.1300.0560.0740.1130.1520.172TS=1227TL=1280纯铝202005006600.21

8、50.2350.2680.2860.5650.570