Ni80Cr20 jẹ nickel-chromium alloy (NiCr alloy) ti a ṣe afihan nipasẹ resistivity giga, resistance ifoyina ti o dara ati iduroṣinṣin fọọmu ti o dara pupọ. O dara fun lilo ni awọn iwọn otutu to 1200 ° C, ati mu igbesi aye iṣẹ ti o ga julọ ni akawe si awọn ohun elo alumini chromium Iron.
Awọn ohun elo aṣoju fun Ni80Cr20 jẹ awọn eroja alapapo ina ni awọn ohun elo ile, awọn ileru ile-iṣẹ ati awọn resistors (awọn resistors wirewound, awọn resistors fiimu irin), awọn irin alapin, awọn ẹrọ ironing, awọn igbona omi, mimu ṣiṣu ku, awọn irin tita, awọn eroja tubular sheathed irin ati awọn eroja katiriji.