Ni80Cr20 bụ nickel-chromium alloy (NiCr alloy) mara elu resistivity, ezigbo oxidation resistance na ezigbo ụdị kwụsie ike. Ọ dabara adaba maka iji ya na okpomọkụ ruo 1200 Celsius, ma jide ndụ ọrụ dị elu ma e jiri ya tụnyere ígwè chromium alumium alloys.
Ngwa a na-ahụkarị maka Ni80Cr20 bụ ihe ndị na-ekpo ọkụ eletrik na ngwa ụlọ, ọkụ ụlọ ọrụ na ndị na-emegide (wirewound resistors, metal film resistors), ígwè dị larịị, igwe igwe, igwe na-ekpo ọkụ mmiri, ịkpụzi plastik na-anwụ, ígwè na-ere ọkụ, ihe ndị na-emepụta ihe na-emepụta ihe na katridges.