| 材料名称 | 系 数 | 在下列温度下的材料热膨胀系数和总热膨胀量 | ||||||||||||||||||||||||||||||||||
| -200 | -100 | -50 | 20 | 50 | 75 | 100 | 125 | 150 | 175 | 200 | 225 | 250 | 275 | 300 | 325 | 350 | 375 | 400 | 125 | 150 | 475 | 500 | 525 | 550 | 575 | 600 | 625 | 650 | 675 | 700 | 725 | 750 | 775 | 800 | ||
| 组别1:碳钢、 低合金钢 | A | 9.9 | 10.7 | 11.1 | 11.5 | 11.8 | 11.9 | 12.1 | 12.3 | 12.1 | 12.6 | 12.7 | 12.9 | 13.0 | 13.2 | 13.3 | 13.4 | 13.6 | 13.7 | 13.8 | 14.0 | 14.1 | 14.2 | 11.1 | 14.5 | 14.6 | 14.7 | 11.8 | 4.9 | 15.0 | 15.1 | 15.1 | 15.2 | 15.3 | 15.3 | 15.4 |
| B | -2.2 | —1.3 | —0.8 | 0.0 | 0.4 | 0.7 | 1.0 | 1.3 | 1.6 | 2.0 | 2.3 | 2.6 | 3.0 | 3.4 | 3.7 | L1 | 1.5 | I.!' | 5.3 | 5.7 | 6.1 | 6.5 | 6.9 | 7.3 | 7.7 | 8.2 | &6 | 9.0 | 9.4 | 9.9 | 10.3 | 10.7 | 11.1 | 11.6 | 12.0 | |
| 组別2：低合金钢 | A | 10.8 | 11.7 | 12.0 | 12.6 | 12.8 | 13.0 | 13.1 | 13.2 | 13.1 | 13.5 | 13.6 | 13.7 | 13.8 | 13.9 | 11.0 | 14.1 | 11.2 | 11.3 | 11.1 | 11.5 | 11.6 | 14.6 | 14.7 | 11.8 | 11.8 | 11.9 | 15.0 | 15.0 | 15.1 | 15.1 | 15.2 | 15.2 | 15.3 | 15.3 | 15.3 |
| B | -2.4 | -1.4 | —0.8 | 0.0 | 0.4 | 0.7 | 1.0 | 1.4 | 1.7 | 2.1 | 2.4 | 2.8 | 3.2 | 3.6 | 3.9 | 1.3 | 4.7 | 5.1 | 5.5 | 5.9 | 6.3 | 6.7 | 7.1 | 7.5 | 7.9 | 8.3 | &7 | 9.1 | 9.5 | 9.9 | 10.3 | 10.7 | 11.1 | 11.1 | 11.5 | |
| 551 Mo | A | 10.1 | 10.8 | 11.2 | 11.5 | 11.8 | 12.0 | 12.1 | 12.3 | 12.1 | 12.5 | 12.6 | 12.6 | 12.7 | 12.8 | 12.8 | 12.9 | 13.0 | 13.0 | 13.1 | 13.2 | 13.2 | 13.3 | 13.4 | 13.4 | 13.5 | 13.6 | 13.6 | 13.7 | 13.7 | 13.8 | 13.9 | 13.9 | H.0 | 11.0 | 14.1 |
| B | 一 2.2 | —1.3 | —0.8 | 0.0 | 0.4 | 0.7 | 1.0 | 1.3 | 1.6 | 1.9 | 2.3 | 2.6 | 2.9 | 3.3 | 3.6 | 3.9 | L3 | 4.6 | 5.0 | 5.3 | 5.7 | 6.1 | 6.4 | 6.8 | 7.2 | 7.5 | 7.9 | 8.3 | &7 | 9.0 | 9.4 | 9.8 | 10.2 | 10.6 | 11.0 | |
| 9CrlMo | A | 9.0 | 9.8 | 10.1 | 10.5 | 10.6 | 10.7 | 10.9 | 11.0 | 11.1 | 11.2 | 11.3 | 11.4 | 11.5 | 11.6 | 11.7 | 11.8 | 11.9 | 11.9 | 12.0 | 12.1 | 12.2 | 12.3 | 12.3 | 12.4 | 12.5 | 12.6 | 12.7 | 12.7 | 12.8 | 12.9 | 13.0 | 13.1 | 13.3 | 13.4 | 13.6 |
| B | -2.0 | -1.2 | -0.7 | 0.0 | 0.3 | 0.6 | 0.9 | 1.2 | 1.4 | 1.7 | 2.0 | 2.3 | 2.6 | 3.0 | 3.3 | 3.6 | 3.9 | 1.2 | 1.6 | 1.9 | 5.2 | 5.6 | 5.9 | 6.3 | 6.6 | 7.0 | 7.3 | 7.7 | &1 | &5 | &9 | !-.：-： | 9.7 | 10.1 | 10.6 | |
| 12C*r~13Cr | A | 9.1 | 9.9 | 10.2 | 10.6 | 10.9 | 11.0 | 11.1 | 11.3 | 11.1 | 11.4 | 11.5 | 11.6 | 11.6 | 11.7 | 11.7 | 11.8 | 11.8 | 11.9 | 11.9 | 12.0 | 12.0 | 12.1 | 12.1 | 12.2 | 12.2 | 12.3 | 12.3 | 12.4 | 12.1 | 12.5 | 12.5 | 12.5 | 12.5 | 12.6 | 12.6 |
| B | -2.0 | -1.2 | -0.7 | 0.0 | 0.3 | 0.6 | 0.9 | 1.2 | 1.5 | 1.8 | 2.1 | 2.4 | 2.7 | 3.0 | 3.3 | 3.6 | 3.9 | 1.2 | 1.5 | 4.9 | 5.2 | 5.5 | 5.8 | 6.2 | 6.5 | 6.8 | 7.2 | 7.5 | 7.8 | &2 | &5 | 8.8 | 9.2 | 9.5 | 9.8 | |
| 15Cr 〜17Cr | A | &1 | 8.8 | 9.1 | 9.6 | 9.7 | 9.9 | 10.0 | 10.1 | 10.2 | 10.3 | 10.1 | 10.5 | 10.6 | 10.7 | 10.8 | 10.8 | 10.9 | 11.0 | 11.0 | 11.1 | 11.2 | 11.2 | 11.3 | 11.3 | 11.4 | 11.4 | 11.5 | 11.5 | 11.5 | 11.6 | 11.6 | 11.7 | 11.7 | 11.8 | 11.9 |
| B | —1.8 | -1.1 | —0.6 | 0.0 | 0.3 | 0.5 | 0.8 | 1.1 | 1.3 | 1.6 | 1.9 | 2.2 | 2.4 | 2.7 | 3.0 | 3.3 | 3.6 | 3.9 | 4.2 | 1.5 | 4.8 | 5.1 | 5.4 | 5.7 | 6.0 | 6.3 | 6.6 | 7.0 | 7.3 | 7.6 | 7.9 | 8.2 | &6 | &9 | 9.3 | |
| 27Cr | A | 7.7 | 8.5 | 8.7 | 9.0 | 9.2 | 9.2 | 9.3 | 9.4 | 9.4 | 9.5 | 9.5 | 9.6 | 9.6 | 9.7 | 9.7 | 9.8 | 9.9 | 9.9 | 10.0 | 10.0 | 10.1 | 10.2 | 10.2 | 10.3 | 10.1 | 10.4 | 10.5 | 10.5 | 10.6 | 10.6 | 10.7 | 10.7 | 10.8 | 10.8 | 10.9 |
| B | -1.7 | -1.0 | —0.6 | 0.0 | 0.3 | 0.5 | 0.7 | 1.0 | 1.2 | 1.5 | 1.7 | 2.0 | 2.2 | 2.5 | 2.7 | 3.0 | 3.3 | 3.5 | 3.8 | 4.1 | 1.3 | 4.6 | 1.9 | 5.2 | 5.5 | 5.8 | 6.1 | 6.4 | 1.7 | 7.0 | 7.2 | 7.6 | 7.9 | &2 | &5 | |
| 奥氏体不锈钢 (304,316,321. 347 等) | A | 13.5 | 14.3 | 14.7 | 15.3 | 15.6 | 15.9 | 16.2 | 16.4 | 16.6 | 16.8 | 17.0 | 17.2 | 17.1 | 17.5 | 17.7 | 17.8 | 17.9 | 18.0 | 18.1 | 18.2 | 18.3 | 18.4 | 18.1 | 18.5 | 18.6 | 18.7 | 18.8 | 18.9 | 19.0 | 19.1 | 19.2 | 19.3 | 19.1 | 19.4 | 19.4 |
| B | _3.0 | -1.7 | -1.0 | 0.0 | 0.5 | 0.9 | 1.3 | 1.7 | 2.2 | 2.6 | 3.1 | 3.5 | 4.0 | 1.5 | 1.9 | 5.4 | 5.9 | 6.4 | 6.9 | 7.4 | 7.9 | 8.3 | &9 | 9.4 | 9.0 | 10.4 | 10.9 | 11.4 | 12.0 | 12.5 | 13.1 | 13.6 | 11.1 | 11.7 | 15.2 | |
| 其他 奥氏体不锈钢 (309.310 等》 | A | 12.8 | 13.6 | 14.1 | 14.7 | 15.0 | 15.2 | 15.4 | 15.6 | 15.7 | 15.9 | 16.0 | 16.1 | 16.3 | 16.4 | 16.5 | 16.6 | 16.6 | 16.7 | 16.8 | 16.9 | 17.0 | 17.1 | 17.2 | 17.2 | 17.3 | 17.4 | 17.5 | 17.6 | 17.7 | 17.8 | 17.9 | 18.0 | 18.1 | 18.2 | 18.3 |
| B | -2.8 | —1.6 | -1.0 | 0.0 | 0.4 | 0.8 | 1.2 | 1.6 | 2.0 | 2.5 | 2.9 | 3.3 | 3.7 | 1.2 | 1.6 | 5.0 | 5.5 | 5.9 | 6.4 | 6.8 | 7.3 | 7.8 | &2 | 8.7 | 9.2 | 9.7 | 10.2 | 10.6 | 11.1 | 11.7 | 12.2 | 12.7 | 13.2 | 13.7 | 14.3 | |
| 灰铸铁 | A | 9.8 | 10.1 | 10.2 | 10.1 | 10.5 | 10.7 | 10.8 | 11.0 | 11.1 | 11.2 | 11.4 | 11.5 | 11.7 | 11.8 | 12.0 | 12.1 | 12.3 | 12.4 | 12.6 | 12.7 | 12.9 | 13.0 | |||||||||||||
| B | 0.0 | 0.3 | 0.6 | 0.8 | 1.1 | 1.4 | 1.7 | 2.0 | 2.3 | 2.6 | 2.9 | 3.2 | 3.6 | 3.9 | 4.2 | 4.6 | 5.0 | 5.3 | 5.7 | 6.1 | 6.5 | 6.9 | ||||||||||||||
| 球墨铸铁 | A | 8.8 | 9.5 | 10.3 | 10.5 | 10.7 | 10.9 | 11.1 | 11.3 | 11.6 | 11.8 | 12.0 | 12.2 | 12.4 | 12.5 | 12.6 | 12.8 | 12.9 | 13.0 | 13.1 | 13.2 | 13.2 | 13.3 | 13.4 | 13.5 | |||||||||||
| B | -1.1 | -0.7 | 0.0 | 0.3 | 0.6 | 0.9 | 1.2 | 1.5 | 1.8 | 2.1 | 2.5 | 2.8 | 3.1 | 3.5 | 3.9 | 1.2 | 4.6 | 1.9 | 5.3 | 5.7 | 6.0 | 6.4 | 6.8 | 7.2 | ||||||||||||
| 蒙乃尔合金 <UNS N04400) 67Ni30Cu | A | 10.4 | 12.2 | 13.0 | 13.8 | 14.1 | 14.4 | 14.6 | 14.8 | 15.0 | 15.1 | 15.3 | 15.4 | 15.5 | 15.6 | 15.7 | 15.8 | 15.9 | 16.0 | 16.0 | 16.1 | 16.1 | 16.2 | 16.2 | 16.3 | 16.3 | 16.4 | 16.1 | 16.5 | 16.5 | 16.5 | 16.6 | 16.6 | 16.7 | 16.7 | 16.8 |
| B | -2.3 | —1.5 | -0.9 | 0.0 | 0.4 | 0.8 | 1.2 | 1.6 | 1.9 | 2.3 | 2.8 | 3.2 | 3.6 | 4.0 | 1.4 | 4.8 | 5.2 | 5.7 | 6.1 | 6.5 | 6.9 | 7.4 | 7.8 | 8.2 | &6 | 9.1 | 9.5 | 10.0 | 10.4 | 10.8 | 11.3 | 11.7 | 12.2 | 12.6 | 13.1 | |
| 镍合金 (UNS N02200. N02201〉 | A | 9.6 | 10.8 | 11.4 | 11.9 | 12.4 | 12.7 | 13.0 | 13.3 | 13.5 | 13.7 | 13.9 | 14.0 | 14.2 | 14.3 | 11.1 | 11.5 | 14.6 | 14.7 | 14.8 | 14.9 | 15.0 | 15.1 | 15.2 | 15.3 | 15.4 | 15.5 | 15.6 | 15.6 | 15.7 | 15.8 | 15.9 | 15.9 | 16.0 | 16.1 | 16.2 |
| B | 一 2.2 | — 1.4 | —0.8 | 0.0 | 0.4 | 0.7 | 1.0 | 1.4 | 1.8 | 2.1 | 2.5 | 2.9 | 3.3 | 3.6 | 1.0 | 1.4 | 1.8 | 5.2 | 5.6 | 6.0 | 6.5 | 6.9 | 7.3 | 7.7 | &2 | 8.6 | 9.0 | 9.5 | 9.9 | 10.3 | 10.8 | 11.2 | 11.7 | 12.2 | 12.6 | |
| 镍合金 (UNS N06600) | A | 9.9 | 10.8 | 11.5 | 12.3 | 12.5 | 12.7 | 12.8 | 13.0 | 13.2 | 13.3 | 13.5 | 13.6 | 13.7 | 13.8 | 14.0 | 14.1 | 14.2 | 14.3 | 11.1 | 11.5 | 14.6 | 14.7 | 14.8 | 14.9 | 15.0 | 15.1 | 15.2 | 15.3 | 15.4 | 15.6 | 15.7 | 15.8 | 15.9 | 16.1 | 16.2 |
| B | -2.2 | —1.3 | —0.8 | 0.0 | 0.4 | 0.7 | 1.0 | 1.1 | 1.7 | Z.1 | 2.4 | 2.8 | 3.2 | 3.5 | 3.9 | 4.3 | 1.7 | 5.1 | 5.5 | 5.9 | 6.3 | 6.7 | 7.1 | 7.5 | 7.9 | 8.4 | &8 | 9.3 | 9.7 | 10.2 | 10.7 | 11.1 | 11.6 | 12.1 | 12.6 | |
| 镍合金 (UNS NO6625) | A | 12.0 | 12.4 | 12.6 | 12.8 | 12.9 | 13.0 | 13.1 | 13.2 | 13.2 | 13.2 | 13.3 | 13.3 | 13.3 | 13.4 | 13.5 | 13.5 | 13.6 | 13.7 | 13.8 | 14.0 | 14.1 | 14.2 | 14.3 | 14.5 | 11.6 | 14.8 | 14.9 | 15.0 | 15.1 | 15.3 | 15.4 | 15.6 | |||
| B | 0.0 | 0.4 | 0.7 | 1.0 | 1.4 | 1.7 | 2.0 | 2.4 | 2.7 | 3.0 | 3.4 | 3.7 | 1.1 | 4.4 | 1.8 | 5.1 | 5.5 | 5.9 | 6.3 | 6.7 | 7.1 | 7.5 | 8.0 | &4 | 8.8 | 9.3 | 9.8 | 10.2 | 10.7 | 11.2 | 11.6 | 12.1 | ||||
| 镍合金 (UNS N08800) | A | 10.6 | 12.5 | 13.3 | 14.2 | 14.6 | 14.9 | 15.1 | 15.3 | 15.5 | 15.6 | 15.8 | 15.9 | 16.0 | 16.1 | 16.2 | 16.3 | 16.4 | 16.5 | 16.5 | 16.6 | 16.7 | 16.8 | 16.8 | 16.9 | 17.0 | 17.1 | 17.2 | 17.2 | 17.3 | 17.4 | 17.5 | 17.6 | 17.7 | 17.8 | 17.9 |
| B | 一 2.3 | -1.5 | 一 0.9 | 0.0 | 0.4 | 0.8 | 1.2 | 1.6 | 2.0 | 2.4 | 2.8 | 3.3 | 3.7 | 1.1 | 1.5 | 5.0 | 5.4 | 5.8 | 6.3 | 6.7 | 7.2 | 7.6 | &1 | 8.5 | 9.0 | 9.5 | 9.9 | 10.4 | 10.9 | 11.4 | 11.9 | 12.4 | 12.9 | 13.4 | 11.0 | |
| 镍合金 (UNS N08825) | A | 12.9 | 13.5 | 13.6 | 13.7 | 13.9 | 14.0 | 14.2 | 14.3 | 11.1 | 14.4 | 11.5 | 14.6 | 14.7 | 11.8 | 14.9 | 15.0 | 15.1 | 15.1 | 15.2 | 15.3 | 15.4 | 15.5 | 15.6 | ||||||||||||
| B | 一 0.9 | 0.0 | 0.4 | 0.8 | 1.1 | 1.5 | 1.8 | 2.2 | 2.6 | 3.0 | 3.3 | 3.7 | t.l | 1.5 | 4.9 | 5.3 | 5.7 | 6.1 | 6.5 | 7.0 | 7.4 | 7.8 | &3 | |||||||||||||
| 镍合金 (UNS NO1O276) | A | 10.8 | 11.0 | 11.2 | 11.4 | 11.6 | 11.7 | 11.9 | 12.0 | 12.2 | 12.4 | 12.5 | 12.6 | 12.8 | 12.9 | 13.0 | 13.1 | 13.2 | 13.3 | 13.4 | 13.5 | 13.6 | 13.7 | 13.8 | 13.9 | 11.0 | 14.1 | 11.2 | 14.3 | 14.3 | 14.4 | 14.5 | 14.6 | |||
| B | 0.0 | 0.3 | 0.6 | 0.9 | 1.2 | 1.5 | 1.8 | 2.2 | 2.5 | 2.8 | 3.2 | 3.5 | 3.9 | 1.3 | 4.6 | 5.0 | 5.4 | 5.7 | 6.1 | 6.5 | 6.9 | 7.3 | 7.7 | &1 | 8.5 | &9 | 9.3 | 9.7 | 10.1 | 10.5 | 10.9 | 11.4 | ||||
| 青铜 | A | 15.1 | 15.8 | 16.4 | 17.2 | 17.6 | 17.9 | 18.0 | 18.2 | 18.2 | 18.3 | 18.4 | 18.5 | 18.5 | 18.6 | 18.7 | 18.8 | 18.9 | 19.0 | 19.0 | 19.1 | 19.2 | 19.3 | 19.4 | 19.4 | 19.5 | 19.6 | 19.7 | 19.7 | 19.8 | ||||||
| B | —3.3 | -1.9 | -1.1 | 0.0 | 0.5 | 1.0 | 1.4 | 1.9 | 2.4 | 2.8 | 3.3 | 3.8 | 1.3 | 4.7 | 5.2 | 5.7 | 6.2 | 6.7 | 7.2 | 7.7 | &3 | 8.8 | 9.3 | 9.8 | 10.3 | 10.9 | 11.1 | 11.9 | 12.5 | |||||||
| 黄制 | A | 14.7 | 15.4 | 16.0 | 16.7 | 17.1 | 17.4 | 17.6 | 17.8 | 18.0 | 18.2 | 18.1 | 18.6 | 18.8 | 19.0 | 19.2 | 19.3 | 19.5 | 19.6 | 19.8 | 20.1 | 20.3 | 20.5 | 20.7 | 20.8 | 21.0 | 21.2 | 21.1 | 21.6 | 21.8 | ||||||
| B | 一 3.2 | -1.9 | -1.1 | 0.0 | 0.5 | 1.0 | 1.4 | 1.9 | 2.3 | 2.8 | 3.3 | 3.8 | 1.3 | 1.8 | 5.4 | 5.9 | 6.4 | 7.0 | 7.5 | 8.2 | &7 | 9.3 | 9.9 | 10.5 | 11.1 | 11.8 | 12.1 | 13.1 | 13.7 | |||||||
| 白铜70Cir 30Ni | A | 11.9 | 13.4 | 14.0 | 14.5 | 11.9 | 15.2 | 15.3 | 15.5 | 15.7 | 15.8 | 16.0 | 16.1 | 16.3 | 16.4 | 16.5 | 16.5 | 16.6 | 16.6 | 16.7 | ||||||||||||||||
| B | 一 2.6 | — 1.6 | -1.0 | 0.0 | 0.4 | 0.8 | 1.2 | 1.6 | 2.0 | 2.5 | 2.9 | 3.3 | 3.7 | 4.2 | 1.6 | 5.0 | 5.5 | 5.9 | 6.3 | |||||||||||||||||
| 铝合金 | A | 18.0 | 19.7 | 20.8 | 21.7 | 22.6 | 23.1 | 23.1 | 23.7 | 23.9 | 21.1 | 21.1 | 21.7 | 25.0 | 25.2 | 25.5 | 25.6 | |||||||||||||||||||
| B | —!.<> | -2.4 | -1.5 | 0.0 | 0.7 | 1.3 | 1.9 | 2.5 | 3.1 | 3.7 | 4.4 | 5.1 | 5.7 | 6.4 | 7.1 | 7.8 | ||||||||||||||||||||
| 钛合金 ((jradel »2»3 ・ 7,12) | A | & 2 | 8.3 | &4 | 8.5 | &5 | 8.6 | &6 | 8.6 | &7 | 8.7 | &7 | 8.8 | &8 | 8.8 | &9 | 8.9 | 9.0 | 9.2 | |||||||||||||||||
| B | —0.6 | 0.0 | 0.3 | 0.5 | 0.7 | 0.9 | 1.1 | 1.3 | 1.6 | 1.8 | 2.0 | 2.2 | 2.5 | 2.7 | 2.9 | 3.2 | 3.4 | 3.7 | ||||||||||||||||||