常用金属热膨胀系数部分汇总11

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1、常用金属或合金的线胀系数线胀系数α线胀系数α金属或合金温度T/℃金属或合金温度T/℃/10E-6/℃/10E-6/℃铝及铝合金20-10010.6-12.2106020-10020-30020-20011.3-13.0110020-10020-40020-30012.1-13.5碳钢201120-10020-60020-40012.9-13.9201420-1002320-60013.5-14.3202420-10022.820-70014.7-15.0221820-10022.320-10011.2300320-10023.220-

2、20011.8403220-10019.4铬钢20-30012.4500520-10023.820-40013505020-10023.820-60013.6505220-10023.820-1008.7-11.1505620-10024.120-2008.5-11.6508320-10023.420-30010.1-12.2铸铁508620-10023.920-40011.5-12.7515420-10023.920-60012.9-13.2545620-10023.920-100017.6606120-10023.420-1001

3、1.53606320-10023.420-20012.61610120-1002320-3001310707520-10023.220-40013铜及铜合金20-50014.18纯铜2016.520-60014.6磷脱氧铜20-30017.720-10011.75无氧铜20-30017.720-20012.41普通黄铜20-30020.320-30013.4515低铅黄铜20-30020.220-40013.6中铅黄铜20-30020.320-50013.85高铅黄铜20-30020.320-60013.9超高铅黄铜20-30020.

4、520-10011.1620铝青铜20-30016.420-20012.12铍青铜20-30017.8线胀系数α线胀系数α金属或合金温度T/℃金属或合金温度T/℃/10E-6/℃/10E-6/℃20-10011.720-10012.3740CrNiMoA20-30012.720-20012.7318CrMn2MoBA20-10011.820-30013.1720-20012.520-40013.620-30012.720-10011.235CrMoVA20-4001320-20012.612Cr1320-50013.420-40014

5、.120-60013.720-60014.320-7001420-10010.520-1001120-2001120-20013.120Cr1320-30011.520-3001320-4001238CrMoAlA20-40013.520-5001220-50013.520-10010.220-60014.520-20011.120-1001120-30011.630Cr1320-20011.7220-40011.920-30012.9220-60012.330CrMnSiA20-40013.1320-70012.820-50013.

6、9220-10016.620-60014.2320-2001720-70014.5920-30017.220-10011.3720-40017.512Cr18Ni920-20011.6720-50017.820-30012.6820-60018.230CrMnSiNi2A20-40012.920-70018.620-50013.5320-90019.320-60013.8420-10010.320-70013.9720-20010.320-10012.514CrMn17Ni220-30011.240CrMnSiMoA20-200132

7、0-40011.820-30013.320-50012.4节流件与管道常用材料的热膨胀系数/10E-6/℃Cr1720-50011线胀系数α线胀系数α金属或合金温度T/℃金属或合金温度T/℃/10E-6/℃/10E-6/℃-10010.620-1009.8-10.6320-10011.7520-20011.3-12.3520-20012.4120-30012.3-13.3515、A320-30013.4512Cr1MoV20-40013-13.620-40013.620-50012.84-14.1520-50013.8520-6001

8、3.8-14.620-60013.920-70014.2-14.56A3F、B320-10011.520-10012.520-10011.620-20013.620-20012.620-30013.61020-40013