Qarshiliklarni isitish materialini stavkadan himoya qilish simlari

The electric heating pipes used in several water storage water heaters use iron chromium aluminum resistance wire. But if it is a high surface power density electric heating tube (>25w / sm) yoki quruq yonadigan elektr isitgich naychasi, Ni80 qarshilik simlari ko'proq mos keladi, chunki uning tarkibidagi va asosiy metallning alyuminiyasi juda ko'p, shuning uchun, shuning uchun Bir nechta sovuq va issiq tsikllar paytida asosiy materialdan olingan alyuminiy yana oksidlasha boshladi.