Cu-Ni wire for welding similar alloys, such as 90Cu10Ni, 80Cu20Ni and 70Cu30Ni alloys.
The addition of nickel strengthens the weld metal and improves corrosion resistance, particularly to salt water.
The alloy is used for the overlay welding of steels and is widely used for welding Cu-Ni components for desalination plants.
Used for welding copper nickel alloys with up to 30 % nickel.
Also high stressed corrosion resistant weld surfacing on cast iron and on unalloyed and low- alloyed steel as well as seawater resistant CuZn alloys.

Copper-Nickel alloy which is highly resistant to corrosion especially seawater.

Important properties of cupronickel alloys include corrosion resistance, inherent resistance to macrofouling, good tensile strength, excellent ductility when annealed, thermal conductivity and expansion characteristics amenable for heat exchangers and condensers, good thermal conductivity and ductility at cryogenic temperatures and beneficial antimicrobial touch surface properties.

Classification:-

I have many types and sizes of wire available on my other eBay listings.