Ni80Cr20 bụ nickel-chromium alloy (NiCr alloy) mara elu resistivity, ezigbo oxidation resistance na ezigbo ụdị kwụsie ike.Ọ dị mma 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), igwe anaghị agba nchara, igwe igwe, igwe na-ekpo ọkụ mmiri, ịkpụzi plastik na-anwụ, ígwè na-ere ọkụ, ihe na-ekpuchi ígwè na ihe ndị na-emepụta ihe na cartridge.