常用钢材线膨胀系数

钢 号20100150158200220230240250260270280290计300310算320330温340350度360，370380℃390400410420430440450460470480490500510520530540550560570580A3A3g－12.212.612.661313.0913.1413.1813.2313.2713.3213.3613.4113.45常用钢材的线膨胀系数 (×10ˉ4cm/m·℃)2016Mn15MnV1020g16Mng15Mng14MnMoVg15CrMo－－－－－－11.911.168.318.3112.111.912.2511.649.659.6512.412.2512.3111.729.869.8612.4412.3112.612.1210.9910.9912.712.612.6412.2511.2611.2612.812.7212.6612.3211.3911.3912.8512.7812.6812.3811.5211.5212.912.8412.712.4511.611.612.9512.912.7212.5211.7811.781312.9612.7412.511.9111.9113.0513.0212.7612.6512.0512.0513.113.0812.7812.7212.1812.1813.1513.1412.812.7812.3112.3113.213.212.8212.8912.412.413.2613.2512.8412.9912.4912.4913.3213.312.8613.112.5812.5813.3813.3512.8813.212.6812.6813.4413.412.913.3112.7712.7713.513.4512.9213.4112.8612.8613.5613.512.9413.5212.9512.9513.6213.5512.9413.6213.0413.0413.6813.612.9813.7313.1313.1313.7413.651313.8313.2213.2213.813.713.113.8413.2713.2713.8513.7313.213.8513.3213.3213.913.7613.313.8613.3713.3713.9513.7912MnMoV12CrlMoV12Cr2MoWVB12Cr3MoVSiTiB－－－－12.113.61110.3112.413.6511.4510.8912.4513.6611.5210.9812.713.711.911.4612.813.7612.111.5512.8513.7912.211.5112.913.8212.311.6412.9513.8512.411.691313.8812.511.7413.0513.9112.611.7913.113.9412.711.8313.1513.9712.811.8813.21412.911.9213.2614.0212.9311.9713.3214.0412.9612.0213.3814.0612.9912.0713.4414.0813.0212.1213.514.113.0512.1713.5614.1213.0812.2213.6214.1413.1112.2713.6814.1613.1412.3213.7414.1813.1712.3713.814.213.212.4213.8514.2313.2312.4913.914.2613.2612.5613.9514.2913.2912.64