1)Iron Chrome Aluminum Wire 2)Nichrome Wire 3)Nickel Copper Alloy Wire Resistance Wire: 1)Iron Chrome Aluminum WireCrAl 14-4, CrAl 15-5, CrAl 20-5, CrAl 25-5, etc.2)Nichrome WireNiCr 80/20, NiCr 70/30, NiCr 60/15, NiCr 35/203)Nickel Copper Alloy WireAlloy 30, Alloy 60, Alloy 90, Constantan WireFor more details, pls visit our website or email us. Heating Resistance Wire