Resistance Wire 1.Resistance Wire Materials: Ni,Cr,Fe 2.Max Tem.:1200C 3.Resistance Density:8. ... : Cr20Ni80, Cr30Ni70, Cr15Ni60, Cr20Ni35, Cr20Ni302. Max Temperature: 1200C3. Alloy composition: Ni, Cr, Fe4. Density: 8.4g/cm³5. steady structure and ... ±0.051.09±0.05Extensibility %>20>20>20>20>20 Ni alloy Resistance Wire