18% 导电率铜包钢裸线
| 芯线直径 (mm ) |
铜层厚度 mm |
直流电阻 |
| 标称直径 |
允许误差 |
标称厚度 |
允许误差 |
Ω km ≤ |
| 1.63 |
±0.010 |
0.037 |
+0.004
-0.004 |
45.17 |
| 1.45 |
±0.010 |
0.033 |
+0.004
-0.004 |
57.14 |
| 1.29 |
±0.01 |
0.030 |
+0.004
-0.004 |
93.02 |
| 1.15 |
±0.01 |
0.028 |
+0.004
-0.003 |
90.74 |
| 1.02 |
±0.01 |
0.025 |
+0.003
-0.002 |
120 |
| 0.81 |
±0.007 |
0.023 |
+0.002
-0.001 |
182.9 |
| 0.72 |
±0.007 |
0.021 |
+0.0015
-0.001 |
231.48 |
| 0.64 |
±0.007 |
0.019 |
+0.0015
-0.001 |
286.63 |
| 0.57 |
±0.007 |
0.017
|
+0.0015
-0.001 |
365.68 |
| 0.51 |
±0.007 |
0.015 |
+0.015
-0.001 |
463.56 |
20% 导电率铜包钢裸线
| 芯线直径 (mm ) |
铜层厚度 mm |
直流电阻 |
| 标称直径 |
允许误差 |
标称厚度 |
允许误差 |
Ω km ≤ |
| 1.63 |
±0.010 |
0.05 |
+0.004
-0.004 |
40.38 |
| 1.45 |
±0.010 |
0.04 |
+0.004
-0.004 |
50.9 |
| 1.29 |
±0.010 |
0.04 |
+0.004
-0.0041 |
64.3 |
| 1.15 |
±0.010 |
0.04 |
+0.004
-0.003 |
80.9 |
| 1.02 |
±0.01 |
0.04 |
+0.003
-0.002 |
107 |
| 0.81 |
±0.007 |
0.033 |
+0.002
-0.001 |
163 |
| 0.72 |
±0.007 |
0.029 |
+0.002
-0.001 |
201 |
| 0.64 |
±0.007 |
0.025 |
+0.0015
-0.001 |
254 |
| 0.574 |
±0.007 |
0.02 |
+0.015
-0.001 |
319 |
| 0.51 |
±0.007 |
0.018 |
+0.015
-0.001 |
412 |
|