A range of nickel copper alloys exist. They display different characteristics. They are used differently. These alloys are also called cupro nickels.
The best known copper alloys include the ones that contain 45 per cent nickel, which are called constantan; the ones that contain 25 per cent nickel and 0.05-0.4 per cent manganese; those with 30 per cent nickel; and with 10 per cent nickel. Continue reading