Electric Heating resistance alloy wires We are glad to introduce ourselves to you as a factory with 20 years experiences specialized in producing and marketing heat resistance alloy such as Nickel-Chrome and Iron-Chrome-Aluminum wires and strips. Material for heat resistance alloy:Cr30Ni70 Cr20Ni80 Cr15Ni60 Cr20Ni35 Cr20Ni30 1Cr13AL40Cr15AL50Cr23AL50Cr25AL50Cr21AL6Nb0Cr27AL7Mo2 Specification for heat resistance alloy: Wire: Φ0.06 to 12mmBar: Φ14 to 200mmSheet: δ=0.2 to 3*6 to 250mm Technical performanceGrade Cr20Ni80 Cr30Ni70 Cr15Ni60 Cr20Ni35 Cr20Ni30 Performance Major chemical composition % Ni Balance Balance 55.061.0 34.037.0 30.034.0 Cr 20.023.0 28.031.0 15.018.0 18.021.0 18.021.0 Fe ≤1.0 ≤1.0 Balance Balance Balance Components max use temperature 1200 1250 1150 1100 1100 Melting point 1400 1380 1390 1390 1390 Density g/cm3 8.40 8.10 8.20 7.90 7.90 ResistivityμΩ·m,20 1.09±0.05 1.18±0.05 1.11±0.05 1.04±0.05 1.04±0.05 Extension rate% ≥20 ≥20 ≥20 ≥20 ≥20 specific heat J/g. 0.440 0.461 0.494 0.500 0.500 Heat conduction coefficient KJ/m.h 60.3 45.2 45.2 43.8 43.8 Linear expansion coefficient a×10-6/201000 18.0 17.0 17.0 19.0 19.0 microscopic structure Austenite Austenite Austenite Austenite Austenite Magnetic Non-magnetic Non-magnetic Non-magnetic Non-magnetic Non-magnetic