... 1. FeCrAl heating wire:OCr27AL7Mo2, OCr21AL6Nb, OCr21AL6, OCr25AL5, OCr23AL5, OCr21AL4, 1Cr13AL4.2. Nichrome heating wire:Cr20Ni80, Cr30Ni70, Cr15Ni60, Cr20Ni35, Cr20Ni30.3. Copper Nickel heating wire:Cu44Ni, ... Cu23Ni, Cu10Ni, Cu6Ni, manganin, monel wire, oxygen-free copper ...