CuNi44铜镍电阻合金丝具有较低电阻率、良好的机械加工性能、优良焊接性能和耐腐蚀性能，可用于热过载继电器、低阻热断路器、电器关键元件及电热电缆等领域。
产品具有稳定的电阻性能和良好的加工适应性，可按不同线径及电阻要求用于低阻电热和电气保护元件。
铜镍电阻合金主要技术特性
铜镍电热丝直径及性能参数
线径(mm) | 截面积(m㎡) | 每米表面积(c㎡/m) | 每米重量(kg/m) | 每千克长度(m/kg) | CuNI6 | CuNi10 | CuNi23 | CuNi44 |
(NC010) | (NC015) | (NC030) | (NC050) | |||||
Ω/m | Ω/m | Ω/m | Ω/m | |||||
0.1 | 0.1 | 3.14 | 0.000069865 | 14313.32 | 12.739 | 19.108 | 38.217 | 62.42 |
0.12 | 0.12 | 3.77 | 0.000100606 | 9939.8 | 8.846 | 13.27 | 26.539 | 43.347 |
0.15 | 0.15 | 4.71 | 0.000157196 | 6361.47 | 5.662 | 8.493 | 16.985 | 27.742 |
0.17 | 0.17 | 5.34 | 0.00020191 | 6952.71 | 4.408 | 6.612 | 13.224 | 21.599 |
0.19 | 0.19 | 5.97 | 0.000252213 | 3964.91 | 3.529 | 5.293 | 10.586 | 17.291 |
0.21 | 0.21 | 6.6 | 0.000308105 | 3245.65 | 2.889 | 4.333 | 8.666 | 14.154 |
0.25 | 0.25 | 7.85 | 0.000436656 | 229.13 | 2.038 | 3.057 | 6.115 | 9.987 |
0.27 | 0.27 | 8.48 | 0.000509316 | 1963.42 | 1.747 | 2.621 | 5.242 | 8.562 |
0.29 | 0.29 | 9.11 | 0.000587565 | 1701.94 | 1.515 | 2.272 | 4.544 | 7.422 |
0.31 | 0.31 | 9.74 | 0.000671403 | 1489.42 | 1.326 | 1.988 | 3.977 | 6.495 |
0.35 | 0.35 | 11 | 0.000855846 | 1168.43 | 1.04 | 1.56 | 3.120 | 5.096 |
0.4 | 0.4 | 12.57 | 0.00111784 | 894.58 | 0.796 | 1.194 | 2.389 | 3.901 |
0.45 | 0.45 | 14.14 | 0.001414766 | 706.83 | 0.629 | 0.944 | 1.887 | 3.082 |
0.5 | 0.5 | 15.71 | 0.001746625 | 572.53 | 0.51 | 0.764 | 1.529 | 2.497 |
0.6 | 0.6 | 18.85 | 0.00251514 | 397.59 | 0.354 | 0.531 | 1.062 | 1.734 |
0.7 | 0.7 | 22 | 0.003423385 | 292.11 | 0.26 | 0.39 | 0.780 | 1.274 |
0.8 | 0.8 | 25.1 | 0.00447136 | 223.65 | 0.199 | 0.299 | 0.597 | 0.975 |
0.9 | 0.9 | 28.3 | 0.005659065 | 176.71 | 0.157 | 0.236 | 0.472 | 0.771 |
1 | 1 | 31.4 | 0.0069865 | 143.13 | 0.127 | 0.191 | 0.382 | 0.624 |
1.2 | 1.2 | 37.7 | 0.01006056 | 99.4 | 0.088 | 0.133 | 0.265 | 0.433 |
1.4 | 1.4 | 44 | 0.01369354 | 73.03 | 0.065 | 0.097 | 0.195 | 0.318 |
1.6 | 1.6 | 50.3 | 0.01788544 | 55.91 | 0.05 | 0.075 | 0.149 | 0.244 |
1.8 | 1.8 | 56.5 | 0.02263626 | 44.18 | 0.039 | 0.059 | 0.118 | 0.193 |
2 | 2 | 62.8 | 0.027946 | 35.78 | 0.032 | 0.048 | 0.096 | 0.156 |
2.2 | 2.2 | 69.1 | 0.03381466 | 29.57 | 0.026 | 0.039 | 0.079 | 0.129 |
2.5 | 2.5 | 78.5 | 0.043665625 | 22.9 | 0.02 | 0.031 | 0.061 | 0.1 |
2.8 | 2.8 | 88 | 0.05477416 | 18.26 | 0.016 | 0.024 | 0.049 | 0.08 |
3 | 3 | 94.2 | 0.0628785 | 15.9 | 0.014 | 0.021 | 0.042 | 0.069 |
3.5 | 3.5 | 110 | 0.085584625 | 11.68 | 0.01 | 0.016 | 0.031 | 0.051 |
4 | 4 | 125.7 | 0.111784 | 8.95 | 0.008 | 0.012 | 0.024 | 0.039 |
4.5 | 4.5 | 141.4 | 0.141476625 | 7.07 | 0.006 | 0.009 | 0.019 | 0.031 |
5 | 5 | 157.1 | 0.1746625 | 5.73 | 0.005 | 0.008 | 0.015 | 0.025 |
5.5 | 5.5 | 172.8 | 0.211341625 | 4.73 | 0.004 | 0.006 | 0.013 | 0.021 |
6 | 6 | 188.5 | 0.251514 | 3.98 | 0.004 | 0.005 | 0.011 | 0.017 |
6.5 | 6.5 | 204 | 0.295179625 | 3.39 | 0.003 | 0.005 | 0.009 | 0.015 |
7 | 7 | 220 | 0.3423385 | 2.92 | 0.003 | 0.004 | 0.008 | 0.013 |
