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a Copper-based Alloys – CuNi2
Common Names: Alloy 30, A30, 30 Alloy, MWS-30, Cuprothal 5, HAI-30, Cu-Ni 2, Alloy 230, Nickel Alloy 30, NC005, CN5W, CN5R
Chemical Composition:
Al Cr Cu Ni Fe Mn
- - Bal. 2 - -
Properties:
Max. continuous service Temp. 300ºC
Resistivity at 20ºC 0.05±10% μΩ·m
Density 8.90 g/cm3
Thermal conductivity 130 W/m/ºC
Coefficient of lines expansion 16.5-17.5  α×10-6/ºC
Approx. melting point  1090ºC
Elongation ≥25%
Thermal EMF vs. Cu -15 μv/K
Tensile Strength ≥220
Specific heat 0.385 J/g·ºC