Nichrome alloys are in the form of wire and strip for use at 1100℃~1250℃(2010°F~2280°F).It is supplied with bright and oxidized surface,spooled and coiled package.They are mainly used in industrial furnace and various heaters,resistors. Our Nichrome products are mailly included Ni80Cr20,Ni70Cr30,Ni60Cr15,Ni35Cr20,Ni30Cr20. Size range Bright and white wire--0.025mm~3mm Pickling wire:1.8mm~10mm Oxidized wire:0.6mm~10mm Flat wire:thickness 0.05mm~1.0mm,width 0.5mm~5.0mm Strip:thickness 0.01mm~7.0mm,width 0.5mm~250mm Other sizes are available upon request. Database Propertes/Grade Cr20Ni80 Cr30Ni70 Cr15Ni60 Cr20Ni35 Cr20Ni30 Main Chemical Composition(%) Ni Rest Rest 55.0-61.0 34.0-37.0 30.0-34.0 Cr 20.0-23.0 28.0-31.0 15.0-18.0 18.0-21.0 18.0-21.0 Fe ≤ 1.0 ≤ 1.0 Rest Rest Rest Max Continuous Service Temperature(℃) 1200 1250 1150 1100 1100 Resistivity at 20℃ (μ Ω · m) 1.09 1.18 1.12 1.04 1.04 Density(g/cm3) 8.4 8.1 8.2 7.9 7.9 Thermal Conductivity (KJ/m· h· ℃) 60.3 45.2 45.2 43.8 43.8 Coefficient of Thermal Expansion(α × 10-6/℃) 18 17 17 19 19 Melting Point(℃) 1400 1380 1390 1390 1390 Elongation(%) > 20 > 20 > 20 > 20 > 20 Micrographic Structure austenite austenite austenite austenite austenite Magnetic Property Non magnetic Non magnetic Non magnetic Non magnetic Non magnetic Standards Nichrome alloy is supplied according to Chinese standard GB/T 1234-2012 and the other following standards shown below. ASTM(American Society for Testing and Materials):B344-01 DIN(Deutsche Industry Normen):DIN 17470-1984 JIS(Japanese Industrial Standards):C2520-1999
