Ọla kọpa nickel alloy, nke nwere obere resisitance eletriki, ezigbo okpomọkụ na-eguzogide na corrosion na-eguzogide, dị mfe nhazi na ụzọ welded. A na-eji ya mee ihe ndị bụ isi dị na relay thermal overloader, ihe na-agbaji sekit okpomọkụ dị ala, yana ngwa eletriki. Ọ bụkwa ihe dị mkpa maka eriri ọkụ ọkụ eletrik. Ọ bụ yiri ka s ụdị cupronickel.The ọzọ mejupụtara nke Nickel, ka ọlaọcha na-acha ọcha n'elu na-.