What are copper nickels?

Copper-nickel alloys (cupronickels) provide the most acceptable high-strength option for a copper alloy. They retain the favourable non-galling, non-fouling properties of copper, but with several times greater yield strength. Hiduron 130 (DTD 498/500, 2.1504) is Langley Alloys highest-strength copper-nickel, and is widely used for sub-sea connectors, valve components, fasteners and stab plates.

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