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| Categories | Copper Based Alloys |
|---|---|
| Brand Name: | OHMALLOY/OEM |
| Model Number: | SP-CuNi2 |
| Certification: | ISO9001:2015 |
| Place of Origin: | China |
| MOQ: | 5KG |
| Payment Terms: | L/C, T/T, , Paypal |
| Supply Ability: | 30000 KG per month |
| Delivery Time: | 5-14 working days after payment confirmed |
| Packaging Details: | Spool+paper case + wooden case（or customized） |
| Name: | Thermal Overload Relay Wire CuNi8 Alloy12 CN012 Low-voltage Low Temperature Heating |
| Material: | CuNi8(Alloy12 CN012) |
| Resistivity: | 0.12(at 20℃ (Ωmm2/m)) |
| Temperature factor of resistivity（20℃~600℃）X10-5/℃: | <57 |
| Usage: | Electric blankets and pillows, Thermal Overload Relay |
| Packing: | Spool+waterproof carton |
| Company Info. |
| Ohmalloy Material Co.,Ltd |
| Verified Supplier |
| View Contact Details |
| Product List |
Thermal Overload Relay Wire CuNi8 Alloy12 CN012 Low-voltage Low Temperature Heating
Common Name:CuNi8,Alloy12,CN12
OhmAlloy012 is a copper-nickel alloy (Cu82Ni12 alloy) with low resistivity for use at temperatures up to 250°C.
OhmAlloy012 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.
OhmAlloy12 is typically used for low-temperature applications such as floor heating cables.
| Nickel | 8 | Manganese | - |
| Copper | Bal. |
Typical Mechanical properties(1.0mm)
| Yield strength | Tensile Strength | Elongation |
| Mpa | Mpa | % |
| 90 | 220 | 25 |
| Density (g/cm3) | 8.9 |
| Electrical resistivity at 20℃ (Ωmm2/m) | 0.12 |
| Temperature factor of resistivity(20℃~600℃)X10-5/℃ | <120 |
| Conductivity coefficient at 20℃ (WmK) | 75 |
| EMF vs Cu(μV/℃ )(0~100℃ ) | -22 |
| 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 (℃) | 1097 |
| Max continuous operating temperature in air (℃) | 250 |
| 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 | |||
| OhmAlloy012 | good | bad | bad | bad | bad | good | |
Style of supply
| Alloys Name | Type | Dimension | ||
| OhmAlloy012W | Wire | D=0.06mm~8mm | ||
| OhmAlloy012R | Ribbon | W=0.4~40 | T=0.05~2.9mm | |
| OhmAlloy012S | Strip | W=8~200mm | T=0.1~3.0 | |
| OhmAlloy012F | Foil | W=6~120mm | T=0.005~0.1 | |
| OhmAlloy012B | Bar | Dia=8~100mm | L=50~1000 | |
CuNi8 Alloy12 CN012 Wire Application
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