copper nickel alloy constantan cuni40 resistance wire

| Alloy Name | |
| Alloy No | |
| Main Components | |
| Resistivity(20)μΩ.m | TCRX10-5/°C(200-600°C) |
| Cu | |
| Mn | |
| Ni | |
| CuNi1 | |
| Nc003 | |
| The balance | |
| N | |
| 1 | |
| 0.03±5% | <100 |
| CuNi2 | |
| Nc005 | |
| The balance | |
| N | |
| 2 | |
| 0.05±5% | <120 |
| CuNi6 | |
| Nc010 | |
| The balance | |
| N | |
| 6 | |
| 0.10±5% | <60 |
| CuNi8 | |
| Nc012 | |
| The balance | |
| N | |
| 8 | |
| 0.12±5% | <57 |
| CuMn3 | |
| Mc012 | |
| The balance | |
| 3 | |
| N | |
| 0.12±5% | <38 |
| CuNi10 | |
| Nc015 | |
| The balance | |
| N | |
| 10 | |
| 0.15±5% | <50 |
| CuNi14 | |
| Nc020 | |
| The balance | |
| N | |
| 14 | |
| 0.20±5% | <30 |
| CuNi19 | |
| Nc025 | |
| The balance | |
| N | |
| 19 | |
| 0.25±5% | <25 |
| CuNi23 | |
| Nc030 | |
| The balance | |
| N | |
| 23 | |
| 0.30±5% | <16 |
| CuNi30 | |
| Nc035 | |
| The balance | |
| N | |
| 30 | |
| 0.35±5% | <10 |
| CuNi34 | |
| Nc040 | |
| The balance | |
| N | |
| 34 | |
| 0.40±5% | 0 |
| CuNi44 | |
| Nc050 | |
| The balance | |
| 1 | |
| 44 | |
| 0.49±5% | <-6 |
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