Nickel 200 and 201 alloys are used as leads for electrical & electronic components & as lead-in-wire components for lamps. They are used in making wire mesh & filters for chemical & petrochemical industry. They are also used in Ni-Cd batteries, for welding overlay, and for making flux cored wires for welding applications.
Ni 205 is typically used for transistor housings, lead wires, anodes for electronic valves, and for making wire mesh and filters for chemical and petrochemical industry.