1、常用材料的热膨胀系数 106表 2.1.17 常用材料的热膨胀系数 106 （mm/mm）t/ -1000 20100 20200 20300 20400 20500 20600 20700 20800 20900 20100015 号钢、A3 钢A3F、B3钢10 号钢20 号钢45 号钢1Cr13、2Cr13Cr1712Cr1MoV10CrMo910Cr6SiMoX20CrMoWV1211Cr18Ni9Ti普通碳钢工业用銅10.610.610.0516.216.08.311.7511.511.6011.1611.5910.5010.009.8010.6312.5011.5010.8016.
2、6010.6012.2016.6017.1017.2012.4112.6012.1212.3211.0010.0011.3012.3513.6012.0011.2017.0011.3013.0017.1017.2017.5018.8013.4512.7813.0911.5010.5012.3013.3513.6011.6017.2012.1013.5017.6017.9020.9011.9212.7013.6013.0013.3813.7112.0010.5013.0013.6014.0012.5011.9017.5012.9013.9018.0018.1012.4212.9013.8513.
3、9314.1812.0011.0012.8414.1514.4012.1017.9013.1413.2013.9014.6014.3814.6713.8014.6014.713.0012.3018.2013.5014.3018.6013.3113.5014.8115.0814.2014.8618.6014.7015.0013.5413.8012.9312.5013.5012.4813.5613.1614.40红铜黄铜12Cr3MoVSiTiB*12CrMo*灰口铸铁*17.8010.3111.2010.511.4612.50t/ 0425 0485 0540 0595 0650 0705 Cr5Mo* 12.30 12.50 12.70 12.80 13.00 13.10
