Supply Dongguan nickel-nickel copper_brass wholesale

White copper is a copper-based alloy with nickel as the main added element. It is silvery white and has metallic luster, hence the name white copper. Copper and nickel can be infinitely dissolved into each other, thereby forming a continuous solid solution, that is, regardless of the ratio of each other, they are always single-phase alloys. When nickel is melted into red copper and the content exceeds the above, the resulting alloy becomes as white as silver. The higher the nickel content, the whiter the color. The nickel content in cupronickel is generally . Adding nickel to pure copper can significantly improve strength, corrosion resistance, hardness, electrical resistance and thermoelectric properties, and reduce the temperature coefficient of resistivity. Therefore, white copper has exceptionally good mechanical and physical properties compared to other copper alloys. It has good ductility, high hardness, beautiful color, corrosion resistance, and deep drawing properties. It is widely used in shipbuilding, petrochemical industry, electrical appliances, instruments, medical equipment, In daily necessities, handicrafts and other fields, it is also an important resistor and thermocouple alloy. The disadvantage of white copper is that the main added element nickel is a scarce strategic material and is relatively expensive.
Nickel-nickel copper (sometimes called silver-nickel copper), uses: crystal oscillation element housing, crystal housing, slider for potentiometer, medical machinery, building materials, etc.