CuNi44 resistance material is an alloy material, composed of copper and nickel. It is characterized by high resistance and a fairly small temperature coefficient of resistance. It has good electrical resistance, high tensile strength and corrosion resistance, and can be used at temperatures up to 400°C (750 °F).
Constantan 6J40 resistance alloy is mainly composed of nickel, copper, iron and manganese. It has high density and melting point, low thermal expansion coefficient, good resistivity and magnetic properties. In addition, it also has good corrosion resistance, high temperature stability and mechanical properties. Constantan 6J40 resistance alloy is widely used in electronic equipment, instrumentation, aerospace and other fields. The chemical composition and physical properties will be described in detail below.
Xinkang copper resistance alloy is a kind of copper-manganese-aluminum resistance alloy made by replacing nickel in manganese-copper alloy with aluminum. The corrosion resistance of the alloy is also improved by increasing the allowable working temperature. However, the aluminum content in the alloy is increased, which is easy to produce alloy segregation. Although the long-term stability of the alloy is good, it is not as good as the manganese-copper alloy. Such alloys are suitable for the manufacture of various electrical varistors and resistance elements.
Copper-nickel alloy is a metal material, mainly composed of copper and nickel, in which the proportion of copper is usually 60%-90%, and the proportion of nickel is 10%-40%. Copper-nickel alloy has excellent mechanical properties, chemical properties and corrosion resistance, and is widely used in industrial and aviation fields.
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