铁铬铝高电阻电热合金
主要性能表
性能|牌号 | 1Cr13Al4 | 0Cr25Al5 | 0Cr21Al6 | 0Cr23Al5 | 0Cr21Al4 | 0Cr21Al6Nb | 0Cr27Al7Mo2 |
主要化学成份 | Cr | 12.0-15.0 | 23.0-26.0 | 19.0-22.0 | 22.5-24.5 | 18.0-21.0 | 21.0-23.0 | 26.5-27.8 |
Al | 4.0-6.0 | 4.5-6.5 | 5.0-7.0 | 4.2-5.0 | 3.0-4.2 | 5.0-7.0 | 6.0-7.0 |
RE | 适量 | 适量 | 适量 | 适量 | 适量 | 适量 | 适量 |
Fe | 余量 | 余量 | 余量 | 余量 | 余量 | 余量 | 余量 |
| | | | | | Nb0.5 | Mo1.8-2.2 |
元件最高使用温度(℃) | 950 | 1250 | 1250 | 1250 | 1100 | 1350 | 1400 |
电阻率 μΩ.m,20℃ | 1.25 | 1.42 | 1.42 | 1.35 | 1.23 | 1.45 | 1.53 |
密度 (g/cm3 ) | 7.4 | 7.10 | 7.16 | 7.25 | 7.35 | 7.10 | 7.10 |
导热系数 KJ/m.h.℃ | 52.7 | 46.1 | 63.2 | 60.2 | 46.9 | 46.1 | 45.2 |
线胀系数 α×10-6/℃ | 15.4 | 16.0 | 14.7 | 15.0 | 13.5 | 16.0 | 16.0 |
熔点约值 ℃ | 1450 | 1500 | 1500 | 1500 | 1500 | 1510 | 1520 |
抗张强度 Mpa | 580-680 | 630-780 | 630-780 | 630-780 | 600-700 | 650-800 | 680-830 |
延伸率 % | >16 | >12 | >12 | >12 | >12 | >12 | >10 |
断面收缩率 % | 65-75 | 60-75 | 65-75 | 65-75 | 65-75 | 65-75 | 65-75 |
反复弯曲数 | >5 | >5 | >5 | >5 | >5 | >5 | >5 |
硬度H.B. | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 |
显微组织 | 铁素体 | 铁素体 | 铁素体 | 铁素体 | 铁素体 | 铁素体 | 铁素体 |
磁性 | 磁性 | 磁性 | 磁性 | 磁性 | 磁性 | 磁性 | 磁性 |
规格表
直径 mm | 截面积 mm2 | 每米表面积 cm2/m | 1Cr13Al4 | 0Cr25Al5 | 0Cr21Al6 | 0Cr23Al5 | 0Cr21Al4 | 0Cr21Al6Nb | 0Cr27Al7Mo2 |
电阻率 μΩ/m,20℃1.25±0.08 | 电阻率 μΩ/m,20℃1.42±0.07 | 电阻率 μΩ/m,20℃1.42±0.07 | 电阻率 μΩ/m,20℃1.35±0.06 | 电阻率 μΩ/m,20℃1.23±0.06 | 电阻率 μΩ/m,20℃1.45±0.07 | 电阻率 μΩ/m,20℃1.53±0.07 |
每米电阻 | 每千克长度m/kg | 每米重量kg/m | 每米电阻 | 每千克长度m/kg | 每米重量kg/m | 每米电阻 | 每千克长度m/kg | 每米重量kg/m | 每米电阻 | 每千克长度m/kg | 每米重量kg/m | 每米电阻 | 每千克长度m/kg | 每米重量kg/m | 每米电阻 | 每千克长度m/kg | 每米重量kg/m | 每米电阻 | 每千克长度m/kg | 每米重量kg/m |
Ω/m, | Ω/m, | Ω/m, | Ω/m, | Ω/m, | Ω/m, | Ω/m, |
20℃ | 20℃ | 20℃ | 20℃ | 20℃ | 20℃ | 20℃ |
0.1 | 0.0078 | 3.14 | 159.2 | 17206 | 0.0000581 | 180.6 | 17933 | 0.0000558 | 180.6 | 17905 | 0.0000558 | 173.1 | 17683 | 0.0000566 | 156.6 | 17452 | 0.0000573 | 184.6 | 17933 | 0.0000558 | 194.8 | 17933 | 0.0000558 |
0.12 | 0.0113 | 3.77 | 110.5 | 11962 | 0.0000836 | 125.6 | 12453 | 0.0000803 | 125.6 | 12360 | 0.0000809 | 119.5 | 12206 | 0.0000819 | 108.8 | 12033 | 0.0000831 | 128.2 | 12453 | 0.0000803 | 135.3 | 12453 | 0.0000803 |
0.15 | 0.0177 | 4.71 | 70.7 | 7647 | 0.000131 | 80.4 | 7970 | 0.000125 | 80.4 | 7891 | 0.000128 | 76.4 | 7793 | 0.000128 | 69.6 | 7692 | 0.00013 | 82.1 | 7970 | 0.000125 | 80.6 | 7970 | 0.000125 |
0.17 | 0.0227 | 5.34 | 55.1 | 5954 | 0.000168 | 62.6 | 6205 | 0.000161 | 62.6 | 6153 | 0.000163 | 59.5 | 6076 | 0.000165 | 54.2 | 5988 | 0.000167 | 63.9 | 6205 | 0.000161 | 67.4 | 6205 | 0.000161 |
0.19 | 0.0284 | 5.97 | 44.1 | 4766 | 0.00021 | 50.1 | 4959 | 0.000201 | 50.1 | 4918 | 0.000203 | | 4854 | 0.000206 | 43.4 | 4785 | 0.000209 | 51.1 | 4968 | 0.000201 | 54 | 4968 | 0.000201 |
0.21 | 0.0346 | 6.6 | 36.1 | 3901 | 0.000256 | 41 | 4066 | 0.000246 | 41 | 4037 | 0.000248 | 35.5 | 3986 | 0.000276 | 35.5 | 3937 | 0.000254 | 41.9 | 4066 | 0.000246 | 44.2 | 4066 | 0.000246 |
0.25 | 0.0491 | 7.85 | 25.5 | 2753 | 0.000363 | 28.9 | 2870 | 0.000346 | 28.9 | 2844 | 0.000352 | 27.5 | 2809 | 0.000356 | 25.1 | 2770 | 0.000361 | 29.5 | 2870 | 0.000349 | 31.2 | 2870 | 0.000349 |
0.27 | 0.0573 | 8.48 | 21.8 | 2360 | 0.000424 | 24.8 | 2460 | 0.000407 | 24.8 | 2437 | 0.00041 | 21.9 | 2407 | 0.000447 | 21.5 | 2375 | 0.000421 | 25 | 2460 | 0.000407 | 26.7 | 2460 | 0.000407 |
0.29 | 0.0661 | 9.11 | 18.9 | 2046 | 0.000489 | 21.5 | 2132 | 0.000469 | 21.5 | 2113 | 0.000473 | 19.1 | 2087 | 0.000513 | 18.6 | 2058 | 0.000486 | 22 | 2132 | 0.000469 | 23.2 | 2132 | 0.000469 |
0.31 | 0.0755 | 9.74 | 16.6 | 1790 | 0.000559 | 18.8 | 1866 | 0.000536 | 18.8 | 1849 | 0.000541 | 16.8 | 1827 | 0.000583 | 16.3 | 1802 | 0.000555 | 19.2 | 1866 | 0.000536 | 20.3 | 1866 | 0.000536 |
0.35 | 0.0962 | 11 | 13 | 1405 | 0.000712 | 14.8 | 1464 | 0.000683 | | 1452 | 0.000689 | 14 | 1434 | 0.000697 | 12.8 | 1414 | 0.000707 | 15.1 | 1464 | 0.000683 | 15.9 | 1464 | 0.000683 |
0.4 | 0.1257 | 12.57 | 9.95 | 1075 | 0.00093 | 11.3 | 1121 | 0.000892 | 11.3 | 1111 | 0.0009 | 10.7 | 1097 | 0.000911 | 9.79 | 1082 | 0.000924 | 11.54 | 1121 | 0.000892 | 12.19 | 1121 | 0.000892 |
0.45 | 0.159 | 14.14 | 7.86 | 850 | 0.001177 | 8.93 | 886 | 0.001129 | 8.93 | 878 | 0.001138 | 8.49 | 867 | 0.00115 | 7.73 | 855 | 0.00117 | 9.12 | 886 | 0.001129 | 9.62 | 886 | 0.001129 |
0.5 | 0.1963 | 15.71 | 6.37 | 688 | 0.001453 | 7.23 | 717 | 0.001394 | 7.23 | 711 | 0.001406 | 6.88 | 703 | 0.00142 | 6.26 | 694 | 0.00144 | 7.38 | 717 | 0.001394 | 7.79 | 717 | 0.001394 |
0.6 | 0.283 | 18.85 | 4.42 | 480 | 0.002092 | 5.02 | 498 | 0.00201 | 5.02 | 494 | 0.002026 | | 496 | 0.00205 | 4.35 | 480 | 0.00208 | 5.13 | 498 | 0.00201 | 5.41 | 498 | 0.00201 |
0.7 | 0.385 | 22 | 3.25 | 351 | 0.002848 | 3.69 | 366 | 0.00273 | 3.69 | 362 | 0.002751 | 3.51 | 358 | 0.00279 | 3.2 | 353 | 0.00283 | 3.77 | 366 | 0.00273 | 3.98 | 366 | 0.00273 |
0.8 | 0.503 | 25.1 | 2.49 | 269 | 0.00372 | 2.83 | 280 | 0.00357 | 2.83 | 278 | 0.003601 | 2.69 | 274 | 0.00365 | 2.45 | 270 | 0.003697 | 2.88 | 280 | 0.00357 | 3.04 | 280 | 0.00357 |
0.9 | 0.636 | 28.3 | 1.96 | 212 | 0.004708 | | 221 | 0.00452 | 2.23 | 220 | 0.004554 | 2.12 | 217 | 0.00461 | 1.93 | 213 | 0.004675 | 2.28 | 221 | 0.00452 | 2.41 | 221 | 0.00452 |
1 | 0.785 | 31.4 | 1.59 | 172 | 0.005812 | 1.808 | 179.5 | 0.00557 | 1.808 | 177.9 | 0.00562 | 1.72 | 176 | 0.00569 | 1.57 | 173 | 0.00577 | 1.85 | 179.5 | 0.00557 | 1.95 | 179.5 | 0.00557 |
1.2 | 1.131 | 37.7 | 1.11 | 119 | 0.008369 | 1.256 | 124.5 | 0.00803 | 1.256 | 123.5 | 0.008098 | 1.194 | 122 | 0.0082 | 1.09 | 120 | 0.008313 | 1.282 | 124.5 | 0.00803 | 1.35 | 124.5 | 0.00803 |
1.4 | 1.539 | 44 | 0.812 | 87.8 | 0.01139 | 0.922 | 91.5 | 0.01093 | 0.922 | 90.8 | 0.01102 | 0.877 | 89.6 | 0.01116 | 0.799 | 88.4 | 0.01131 | 0.942 | 91.5 | 0.01093 | 0.994 | 91.5 | 0.01093 |
1.6 | 2.01 | 50.3 | 0.622 | 67.2 | 0.01488 | 0.706 | 70.1 | 0.01427 | 0.706 | 69.5 | 0.01439 | 0.672 | 68.6 | 0.01457 | 0.612 | 67.7 | 0.01477 | 0.721 | 70.1 | 0.01427 | 0.761 | 70.1 | 0.01427 |
1.8 | 2.54 | 56.5 | 0.491 | 53.1 | 0.01883 | 0.558 | 55.5 | 0.01803 | 0.558 | 54.9 | 0.01819 | 0.532 | 54.3 | 0.01842 | 0.483 | 53.56 | 0.01867 | 0.57 | 55.5 | 0.01803 | 0.601 | 55.5 | 0.01803 |
2 | 3.14 | 62.8 | 0.398 | 43 | 0.02325 | 0.452 | 44.8 | 0.0223 | 0.452 | 44.5 | 0.02448 | 0.43 | 43.9 | 0.02277 | 0.392 | 43.33 | 0.02308 | 0.462 | 44.8 | 0.0229 | 0.487 | 44.8 | 0.0229 |
2.2 | 3.8 | 69.1 | 0.329 | 35.5 | 0.02813 | 0.374 | 37 | 0.027 | 0.374 | 36.8 | 0.0272 | 0.355 | 36.3 | 0.02755 | 0.324 | 35.8 | 0.02793 | 0.381 | 37 | 0.027 | 0.402 | 37 | 0.027 |
2.5 | 4.91 | 78.5 | 0.255 | 27.5 | 0.03632 | 0.289 | 28.7 | 0.0349 | 0.289 | 28.4 | 0.03516 | 0.275 | 28.1 | 0.03849 | 0.251 | 27.71 | 0.03609 | 0.295 | 28.7 | 0.0349 | 0.312 | 28.7 | 0.0349 |
2.8 | 6.16 | 88 | 0.203 | 21.9 | 0.04557 | 0.231 | 22.9 | 0.0437 | 0.231 | 22.7 | 0.04411 | 0.219 | 22.4 | 0.04466 | 0.2 | 22.08 | 0.04528 | 0.235 | 22.9 | 0.0437 | 0.248 | 22.9 | 0.0437 |
3 | 7.07 | 94.2 | 0.1768 | 19.1 | 0.05231 | 0.201 | 19.92 | 0.0502 | 0.201 | 19.8 | 0.05062 | 0.191 | 19.5 | 0.05216 | 0.174 | 19.25 | 0.05196 | 0.205 | 19.92 | 0.0502 | 0.216 | 19.92 | 0.0502 |
3.5 | 9.62 | 110 | 0.1299 | 14 | 0.0712 | 0.1476 | 14.64 | 0.0683 | 0.1476 | 14.5 | 0.06888 | 0.14 | 14.3 | 0.06975 | 0.1278 | 14.14 | 0.07071 | 0.151 | 14.64 | 0.0683 | 0.159 | 14.64 | 0.0683 |
4 | 12.57 | 125.7 | 0.0995 | 10.75 | 0.09299 | 0.113 | 11.21 | 0.0892 | 0.113 | 11.1 | 0.09 | 0.107 | 11 | 0.09113 | 0.0979 | 10.82 | 0.09239 | 0.1154 | 11.21 | 0.0892 | 0.1218 | 11.21 | 0.0892 |
4.5 | 15.9 | 141.4 | 0.0786 | 8.5 | 0.1177 | 0.0893 | 8.86 | 0.1129 | 0.0893 | 8.78 | 0.1138 | 0.0849 | 8.67 | 0.1153 | 0.0773 | 8.55 | 0.1169 | 0.0912 | 8.86 | 0.1129 | 0.0962 | 8.86 | 0.1129 |
5 | 19.63 | 157.1 | 0.0637 | 6.88 | 0.1453 | 0.0723 | 7.17 | 0.1394 | 0.0723 | 7.11 | 0.1406 | 0.0688 | 7.03 | 0.1423 | 0.0626 | 6.93 | 0.1443 | 0.0738 | 7.17 | 0.1394 | 0.0779 | 7.17 | 0.1394 |
5.5 | 23.8 | 172.8 | 0.0526 | 5.69 | 0.1758 | 0.0598 | 5.92 | 0.169 | 0.0598 | 5.87 | 0.1704 | 0.0568 | 5.8 | 0.1726 | 0.0518 | 5.72 | 0.1749 | 0.061 | 5.92 | 0.169 | 0.0644 | 5.92 | 0.169 |
6 | 28.3 | 188.5 | 0.0442 | 4.78 | 0.2092 | 0.0502 | 4.98 | 0.201 | 0.0502 | 4.94 | 0.2026 | 0.0477 | 4.88 | 0.2052 | 0.0435 | 4.81 | 0.208 | 0.0513 | 4.98 | 0.201 | 0.0541 | 4.98 | 0.201 |
6.5 | 33.2 | 204 | 0.0377 | 4.07 | 0.2456 | 0.0428 | 4.24 | 0.236 | 0.0428 | 4.21 | 0.2377 | 0.0407 | 4.15 | 0.2407 | 0.0371 | 4.09 | 0.244 | 0.0437 | 4.24 | 0.236 | 0.0461 | 4.24 | 0.236 |
7 | 38.5 | 220 | 0.0325 | 3.51 | 0.2848 | 0.0369 | 3.66 | 0.273 | 0.0369 | 3.63 | 0.2757 | 0.0351 | 3.58 | 0.2791 | 0.032 | 3.53 | 0.2823 | 0.0377 | 3.66 | 0.273 | 0.0398 | 3.66 | 0.273 |