热膨胀系数 *10 -6 /℃ 软钢 11.7 100 100 0.000001 0.117 NAK80 12.5 100 200 0.000001 0.25 SKD61 10.8 100 300 0.000001 0.324 SKH51 10.1 100 400 0.000001 0.404 硬质合金 V40 6 100 500 0.000001 0.3 SUS440C 10.2 100 100 0.000001 0.102 无氧钢 C1020 17.6 100 500 0.000001 0.88 6/4黄铜 C2801 20.8 100 600 0.000001 1.248 铍铜 C1720 17.1 100 700 0.000001 1.197 铝 A1100 23.6 27 475 0.000001 0.30267 硬铝 A7075 23.6 100 500 0.0000
A3 20 16Mn 15MnV A3g 20g 16Mng 15Mng 20 - - - - - - - 100 12.2 11.9 11.16 8.31 8.31 12.1 11.9 150 12.6 12.25 11.64 9.65 9.65 12.4 12.25 158 12.66 12.31 11.72 9.86 9.86 12.44 12.31 200 13 12.6 12.12 10.99 10.99 12.7 12.6 220 13.09 12.64 12.25 11.26 11.26 12.8 12.72 230 13.14 12.66 12.32 11.39 11.39 12.85 12.78 240 13.18 12.68 12.38 11.52 11.52 12.9 12.84 250 13.23 12.7 12.45 11.6 11.6 12.95 12.9 26