
标准:... 数据表(S)
| 材料名称 | 温度范围 | ||||||||
| 20℃ | 20~100℃ | 20~200℃ | 20~300℃ | 20~400℃ | 20~600℃ | 20~700℃ | 20~900℃ | 70~1000℃ | |
| 工程用铜 | - | (16.6~17.1) | (17.1~17.2) | 17.6 | (18~18.1) | 18.6 | - | - | - |
| 紫铜 | - | 17.2 | 17.5 | 17.9 | - | - | - | - | - |
| 黄铜 | - | 17.8 | 16.8 | 20.9 | - | - | - | - | - |
| 锡青铜 | - | 17.6 | 17.9 | 18.2 | - | - | - | - | - |
| 铝青铜 | - | 17.6 | 17.9 | 19.2 | - | - | - | - | - |
| 碳钢 | - | (10.6~12.2) | (11.3~13) | (12.1~13.5) | (12.9~13.9) | (13.5~14.3) | (14.7~15) | ||
| 铬钢 | - | 11.2 | 11.8 | 12.4 | 13 | 13.6 | - | - | - |
| 40CrSi | - | 11.7 | - | - | - | - | - | - | - |
| 30CrMnSiA | - | 11 | - | - | - | - | - | - | - |
| 3Cr13 | - | 10.2 | 11.1 | 11.6 | 11.9 | 12.3 | 12.8 | - | - |
| 1Cr18Ni9Ti | - | 16.6 | 17 | 17.2 | 17.5 | 17.9 | 18.6 | 19.3 | - |
| 铸铁 | - | (8.7~11.1) | (8.5~11.6) | (10.1~12.2) | (11.5~12.7) | (12.9~13.2) | - | - | 17.6 |
| 镍铬合金 | - | 14.5 | - | - | - | - | - | - | - |
| 砖 | 9.5 | - | - | - | - | - | - | - | - |
| 水泥、混凝土 | 10~14 | - | - | - | - | - | - | - | - |
| 胶木、硬橡皮 | ~77 | - | - | - | - | - | - | - | - |
| 玻璃 | - | (4~11.5) | - | - | - | - | - | - | - |
| 赛璐珞 | - | 100 | - | - | - | - | - | - | - |
| 有机玻璃 | - | 130 | - | - | - | - | - | - | - |
| 铸铝合金 | 18.44~24.5 | — | — | — | — | — | — | — | — |
| 铝合金 | — | 22.0~24.0 | 23.4~24.8 | 24.0~25.9 | — | — | — | — | — |
描述(D)
1.材料线膨胀系数=表内数值×1E-6/℃。
Copyright (c) 2006 designmotor
常用材料的线膨胀系数一览表
不同温度下钢材的平均线膨胀系数值如表1所示。
非金属材料的线膨胀系数如表2所示
表1 不同温度下钢材的平均线膨胀系数值
| 材料 | 在下列温度与20℃之间的平均线膨胀系数,“α”, 10-6×℃-1 | ||||||||||||||||||||
| -196 | -150 | -100 | -50 | 0 | 50 | 100 | 150 | 200 | 250 | 300 | 350 | 400 | 450 | 500 | 550 | 600 | 650 | 700 | 750 | 800 | |
| 碳素钢、碳钼钢、低铬钼钢(至 Cr3Mo) | 9.1 | 9.44 | 9. | 10.39 | 10.76 | 11.12 | 11.53 | 11.88 | 12.25 | 12.56 | 12.90 | 13.24 | 13.58 | 13.93 | 14.22 | 14.42 | 14.62 | 14.74 | 14.90 | 15.02 | — |
| 铬钼钢(Cr5Mo~ Cr9Mo) | 8.46 | 8.90 | 9.36 | 9.77 | 10.16 | 10.52 | 10.91 | 11.15 | 11.39 | 11.66 | 11.90 | 12.15 | 12.38 | 12.63 | 12.86 | 13.05 | 13.18 | 13.35 | 13.48 | 13.58 | — |
| 奥氏体不锈钢(Cr18-Ni9) | 14.67 | 15.08 | 15.45 | 15.97 | 16.28 | 16.54 | 16.84 | 17.06 | 17.25 | 17.42 | 17.61 | 17.79 | 17.99 | 18.19 | 18.34 | 18.58 | 18.71 | 18.87 | 18.97 | 19.07 | 19.29 |
| 高铬钢(Cr13、 Cr17) | 7.74 | 8.10 | 8.44 | 8.95 | 9.29 | 9.59 | 9.94 | 10.20 | 10.45 | 10.67 | 10.96 | 11.19 | 11.41 | 11.61 | 11.81 | 11.97 | 12.11 | 12.21 | 12.32 | 12.41 | — |
| Cr25-Ni20 | — | — | — | — | — | — | 15.84 | 15.98 | 16.05 | 16.06 | 16.07 | 16.11 | 16.13 | 16.17 | 16.33 | 16.56 | 16.66 | 16.91 | 17.14 | 17.20 | — |
| 蒙 纳 尔 (Mone1) Ni67-Cu30 | 9.99 | 11.06 | 12.13 | 12.83 | 13.26 | 13.69 | 14.16 | 14.45 | 14.74 | 15.06 | 15.36 | 15.67 | 15.98 | 16.28 | 16.60 | 16.90 | 17.15 | 17.47 | 17.77 | 18.07 | — |
| 铝 | 17.82 | 18.73 | 19.58 | 20.79 | 21.73 | 22.52 | 23.38 | 23.94 | 24.44 | 24.94 | 25.42 | — | — | — | — | — | — | — | — | — | — |
| 灰铸铁 | 10.39 | 10.68 | 10.97 | 11.26 | 11.55 | 11.85 | 12.14 | 12.42 | 12.71 | — | — | — | — | — | — | ||||||
| 青铜 | 15.12 | 15.44 | 15.76 | 16.35 | 16.97 | 17.51 | 18.07 | 18.23 | 18.40 | 18.55 | 18.73 | 18.88 | 19.04 | 19.20 | 19.34 | 19.49 | 19.71 | 19.85 | — | — | — |
| 黄铜 | 14.76 | 15.03 | 15.34 | 15.92 | 16.56 | 17.11 | 17.62 | 18.19 | 18.38 | 18.77 | 19.14 | 19.50 | 19. | 20.27 | 20.66 | 21.05 | 21.34 | 21.77 | — | — | — |
| Cu70-Ni30 | 11.97 | 12.65 | 13.43 | 13.99 | 14.48 | 14.94 | 15.41 | 15.69 | 15.99 | — | — | — | — | — | — | — | — | — | — | — | — |
| 材料名称 | 线膨胀系数a,1/℃ | 材料名称 | 线膨胀系数a,1/℃ |
| 砖(20℃) 水泥、混凝土(20℃) 胶木、硬橡皮(20℃) 赛璐珞(20~100℃) 有机玻璃(20~100℃) 辉绿岩板 耐酸陶砖、陶板 不透性石墨板(浸渍型) 硬聚氯乙烯(10~60℃) 玻璃管道(0~500℃) 玻璃(2O~100℃) | 9.5×10-6 (10~14)×10-6 (~77)×10-6 100×10-6 130×10-6 1×10-6 (4.5~6)×10-6 5.5×10-6 59×10-6 ≤5×10-6 4~11.5×10-6 | 粘土质耐火制品(20~1300℃) 硅质耐火制品(20~1670℃) 高品质耐火制品(20~1200℃) 刚玉制品 陶瓷、工业瓷(管) 石英玻璃 花岗石 聚酰胺(尼龙6) 聚酰胺(尼龙1O10) 聚四氟乙烯(纯) | 5.2×106 7.4×106 6×106 8.1×10-6 (3~6)×1O-6 5.1×1O-7 <8×1O-6 (11~14)×10-5 (1.4~1.6)×10-5 (1.1~2.56)×10-4 |
