Ohmalloy Material Co.,Ltd
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CuNi1 CuNi2 CuNi6 CuNi10 is kind of low resistance (heating) alloy.It is one of the key materials of the low-voltage electrical products. It is widely used in low-voltage circuit breaker, electric blankets.thermal overload relay and other low-voltage electrical product.
| Nickel | 1,2,6,10 | Manganese | - |
| Copper | Bal. |
| Yield strength | Tensile Strength | Elongation |
| Mpa | Mpa | % |
| 90 | 210 | 25 |
| Density (g/cm3) | 8.9 |
| Electrical resistivity at 20℃ (Ωmm2/m) | 0.03 |
| Temperature factor of resistivity(20℃~600℃)X10-5/℃ | <100 |
| Conductivity coefficient at 20℃ (WmK) | 145 |
| EMF vs Cu(μV/℃ )(0~100℃ ) | -8 |
| Coefficient of thermal expansion | |
| Temperature | Thermal Expansion x10-6/K |
| 20 ℃- 400℃ | 17.5 |
| Specific heat capacity | |
| Temperature | 20℃ |
| J/gK | 0.380 |
| Melting point (℃) | 1085 |
| Max continuous operating temperature in air (℃) | 200 |
| Magnetic properties | non-magnetic |
Corrosion resistance performance
| Alloys | Working In atmosphere at 20℃ | Working at max temperature 200℃ | ||||
|
Air and oxygen contain gases |
gases with Nitrogen |
gases with sulfur oxidability |
gases with sulfur reductibility |
carburization | ||
| OhmAlloy | good | bad | bad | bad | bad | good |
Style of supply
| Alloys Name | Type | Dimension | |||
| OhmAlloyW | Wire | D=0.06mm~8mm | |||
| OhmAlloyR | Ribbon | W=0.4~40 | T=0.05~2.9mm | ||
| OhmAlloyS | Strip | W=8~200mm | T=0.1~3.0 | ||
| OhmAlloyF | Foil | W=6~120mm | T=0.005~0.1 | ||
| OhmAlloyB | Bar | Dia=8~100mm | L=50~1000 | ||