... Nickel-chromium alloy: Cr20Ni80,Cr15Ni60, Cr20Ni35, Cr20Ni30, Cr25Ni20, etc. Such as Electric wire , Microfilaments.2) Fe-Cr-Al alloy: 1Cr13Al4,0Cr21Al4,0Cr21Al6,0Cr25Al5,0Cr21Al6,0Cr21Al6Nb, 0Cr27Al7Mo23) Copper-nickel alloy ... up, long operating life, stable resistance, small capacity deflection, uniform pitch ... ovens, muffle, air heating conditioners, various oven, electric heating tube and household ...