The company also provides processing: cuni1 cuni2 cuni6 cuni8
cuni10 cuni14 cuni19 cuni23 cuni30 cuni44 cumn3 and constantan 6
j40 j11
Copper and nickel and purpose: according to the characteristics of
low resistance alloy has good corrosion resistance, good welding
performance and machining performance, wide application and thermal
overload relays, electric heating element in the low voltage
circuit breaker and other low voltage apparatus.
Strip specification range
Thickness: 0.01-7 (mm) width: 5-300 (mm), wire diameter 0.05-7 (mm)
Low resistance of copper nickel alloy CuNi34 (NC040), main
technical parameters
The main chemical composition | Ni | Mn | Cu |
| content | 34 | 1 | Bal |
| The highest use temperature | (350 ºC) |
| Resistivity (20 ºC) mu Ω/m, | 0.4 + / - 5% |
| Temperature coefficient of resistance (a10-6 / %) | < 0 |
| Tensile strength (Mpa) | >= 400 |
| For copper electromotive force V / ºC | - 39 |
| Melting point | (1180 ºC)
|
Copper nickel alloy
| Main property | | Cuni1 | CuNI2 | CuNI6 | CuNI10 | CuNi19 | CuNi23 | CuNi30 | CuNi34 | CuNI44 |
Main chemical
composition
| Ni | 1 | 2 | 6 | 10 | 19 | 23 | 30 | 34 | 44 |
| MN | / | / | / | / | 0.5 | 0.5 | 1.0 | 1.0 | 1.0 |
| CU | rest | rest | rest | rest | rest | rest | rest | rest | rest |
| max working Temperature °c | / | 200 | 220 | 250 | 300 | 300 | 350 | 350 | 400 |
| Density g/cm3 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 |
| Resistivity at 20 °c | 0.03
± 10% | 0.05
±10% | 0.1
±10% | 0.15
±10% | 0.25
±5% | 0.3
±5% | 0.35
±5% | 0.40
±5% | 0.49
±5% |
| Temperature coefficient of Resistance | <100 | <120 | <60 | <50 | <25 | <16 | <10 | -0 | <-6 |
| Tensile strength Mpa | >210 | >220 | >250 | >290 | >340 | >350 | >400 | >400 | >420 |
| elongation | >25 | >25 | >25 | >25 | >25 | >25 | >25 | >25 | >25 |
| Melting point °c | 1085 | 1090 | 1095 | 1100 | 1135 | 1150 | 1170 | 1180 | 1280 |
| coefficient of conductivity | 145 | 130 | 92 | 59 | 38 | 33 | 27 | 25 | 23 |
