SP-OhmAlloy 3
Bare
Solid
Overhead, Heating, Underground
None
None
Wire
CuNi
Zero
Ohmalloy
Wooden Case
China
Product Description
Cupronickel Copper-Nickel Alloys CuNi1 Constantan Heating Resistance Wire in Wire/Flat Wire/Ribbon/Foil/Bar
OhmAlloy 3 (Resistance heating and resistance wire)
Common Name: CuNi1, Alloy3,HAI3.NC3
OhmAlloy 3 is a copper-nickel alloy (Cu99Ni1 alloy) with low resistivity for use at temperatures up to 200°C.
OhmAlloy 3 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.
Copper Nickel Alloy Heating Resistance Wire and Strip Technique Data
Copper Nickel Alloy Heating Resistance Wire Cuni1 Technique Data
Normal composition%
Typical Mechanical Properties(1.0mm)
Typical Physical Properties(1.0mm)
Corrosion resistance performance
Style of supply
OhmAlloy 3 (Resistance heating and resistance wire)
Common Name: CuNi1, Alloy3,HAI3.NC3
OhmAlloy 3 is a copper-nickel alloy (Cu99Ni1 alloy) with low resistivity for use at temperatures up to 200°C.
OhmAlloy 3 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.
Copper Nickel Alloy Heating Resistance Wire and Strip Technique Data
Name | Our Code | Resistance Ω at 20 °C | the maximum temperature°C |
Copper-nickel--1 | OhmAlloy3 | 0.03 | 200 |
Copper-nickel--2 | OhmAlloy5 | 0.05 | 200 |
Copper-nickel--8 | OhmAlloy12 | 0.12 | 250 |
Copper-nickel--10 | OhmAlloy15 | 0.15 | 250 |
Copper-nickel--14 | OhmAlloy20 | 0.2 | 300 |
Copper-nickel--19 | OhmAlloy25 | 0.25 | 300 |
Copper-nickel--23 | OhmAlloy30 | 0.35 | 350 |
Copper-nickel--30 | OhmAlloy35 | 0.35 | 350 |
Copper-nickel--34 | OhmAlloy40 | 0.4 | 350 |
Copper-nickel--44 | OhmAlloy49 | 0.5 | 400 |
Copper Nickel Alloy Heating Resistance Wire Cuni1 Technique Data
Normal composition%
| Nickel | 1 | Manganese | - |
| Copper | Bal. |
| Yield strength | Tensile Strength | Elongation |
| Mpa | Mpa | % |
| 90 | 210 | 25 |
| Density (g/cm3) | 8.9 |
| Electrical resistivity at 20ºC (Ωmm2/m) | 0.03 |
| Temperature factor of resistivity(20ºC~600ºC)X10-5/ºC | <100 |
| Conductivity coefficient at 20ºC (WmK) | 145 |
| EMF vs Cu(μV/ºC )(0~100ºC ) | -8 |
| Coefficient of thermal expansion | |
| Temperature | Thermal Expansion x10-6/K |
| 20 ºC- 400ºC | 17.5 |
| Specific heat capacity | |
| Temperature | 20ºC |
| J/gK | 0.380 |
| Melting point (ºC) | 1085 |
| Max continuous operating temperature in air (ºC) | 200 |
| Magnetic properties | non-magnetic |
Corrosion resistance performance
| Alloys | Working In atmosphere at 20ºC | Working at max temperature 200ºC | |||||
| Air and oxygen contain gases | gases with Nitrogen | gases with sulfur oxidability | gases with sulfur reductibility | carburization | |||
| OhmAlloy3 | good | bad | bad | bad | bad | good | |
Style of supply
| Alloys Name | Type | Dimension | ||
| OhmAlloy003W | Wire | D=0.06mm~8mm | ||
| OhmAlloy003R | Ribbon | W=0.4~40 | T=0.05~2.9mm | |
| OhmAlloy003S | Strip | W=8~200mm | T=0.1~3.0 | |
| OhmAlloy003F | Foil | W=6~120mm | T=0.005~0.1 | |
| OhmAlloy003B | Bar | Dia=8~100mm | L=50~1000 | |
