Introduction
CuNi10 resistance alloy is a kind of copper nickel binary alloy with low temperature coefficient of resistance. It is used to make rheostat, shunt, controller and other low voltage electrical components with a maximum operating temperature of 250°C. Due to its good heat coefficient, this alloy is widely used in low temperature heating cable of automobile heating cushion, railway snow melting, etc.
Type | Size | ||
Round wire | D=0.06mm~8mm | ||
Flat wire | W=0.4~40mm | T=0.05~2.9mm | |
Strip | W=8~200mm | T=0.1~3.0mm | |
Foil | W=6~120mm | T=0.005~0.1mm | |
Rod | Dia=8~100mm | L=50~1000mm |
Nickel | 10 | Manganese | - |
Copper | Balance | | |
Yield strength (Mpa) | Tensile strength (Mpa) | Elongation (%) | Density (g/cm3) | Resistivity (20℃) (Ω・mm2/m) | Resistance temperature coefficient (20℃~600℃) 10-5/℃ | Conductivity (20℃) (WmK) | Electromotive force against copper (μV/℃ ) (0~100℃) | Expansion coefficient (20 ℃- 400℃) x10-6/K | Specific heat capacity (20℃) (J/g・K) | Melting point (℃) | Max.operating temperature (℃) | Magnetism |
130 | 290 | 25 | 8.9 | 0.15 | <50 | 59 | ―25 | 17.5 | 0.380 | 1100 | 250 | Non magnetic |
Atmospheric corrosion resistance at 20℃ | Corrosion resistance at maximum operating temperature | ||||
Air and other oxygen-containing gases | Ammonia containing gas | Sulfurous gas | Sulfurous gas | Carburization | |
(oxidizability) | (reducibility) | ||||
Good | Common | Common | Common | Poor | Good |
Index
alloy strip, resistance wire
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