Nickel Copper Alloys

Cupro Nickel Alloy

For decades, cupro nickel (or copper nickel) has offered solutions to technological challenges. It’s highly resistant to corrosion in seawater and has high electrical resistivity, thus, making it useful in the marine industry. Cupro nickel is easily worked, both hot and cold. It has numerous applications including piping, heat exchangers, condensers, and coolers.

Cupro Nickel 70/30, CDA 715 Alloy per ASTM B 122 is comprised of 70% Nickel, 30% Copper and other trace elements such as Iron and Magnesium. Nickel has a significant effect on the physical properties of the pairing. The color becomes lighter when nickel is added and the purity increases as well.

Nickel Silver 770 Alloy

Nickel Silver, an electronic grade alloy, possesses high thermal and electrical conductivity, while providing intense protection against corrosion. Common applications of nickel silver include anodes, lead wires, fuel cells, battery castings, packaging, and lids. Nickel silver is hard, malleable, ductile, and nonmagnetic in composition. This alloy is also used in jewelry, screws, and instrumental components.

Phosphor Bronze

Phosphor Bronze is made of copper, tin, and phosphorous. This alloy is formable, solderable, can resist corrosion, and has spring capabilities.  Common uses for phosphor bronze include electrical products, springs, bolts, diaphragms, and marine components. This nickel copper alloy has fair electrical conductivity and reduced thermal conductivity, which gives it application in cryogenics.

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