China Cr20ni80 Nicr 8020 Alloy Nichrome Wire Nickel Chrome Resistance Wire for Heating Element, Find details about China Resistance Wire, Ni20cr80 from Cr20ni80 Nicr 8020 Alloy Nichrome Wire Nickel Chrome Resistance Wire for Heating Element
Introduction of Ni80Cr20 Nickel-Chrome alloy wire
Electric Resistance Alloy Wire Cr20Ni80 are widely used as the high resistance alloy for electrical heating and wire-wound resistors in metallurgical industy, chemcal industry and electrical industry,etc.
Cr20Ni80 Alloy Heating Resistance Wire has higher electrical resisitance coefficient, good anti-oxidation and anti-corrosion performance, and it also has good mechanical workability, with a high strength at high temperature.
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Main characteristics of Ni80Cr20 Nickel-Chrome alloy wire
Nickel-Chrome & Nickel-Chrome-Iron alloy wire | |||||||
Properties/Grade | Cr20Ni80 | Cr30Ni70 | Cr15Ni60 | Cr20Ni35 | Cr20Ni30 | ||
Main chemical composition % | Cr | 20.0-23.0 | 28.1-31.0 | 15.0-18.0 | 18.0-21.0 | 30.0-34.0 | |
Ni | Rest | Rest | 55.0-61.0 | 34.0-37.0 | 18.0-21.0 | ||
Fe | ≤1.0 | ≤1.0 | Rest | Rest | Rest |
Man Working Temp °C | 1200 | 1250 | 1150 | 1100 | 1100 | ||
Melting Point °C | 1400 | 1380 | 1390 | 1390 | 1390 | ||
Density g/cm3 | 8.4 | 8.1 | 8.2 | 7.9 | 7.9 | ||
Resisivity(20°C)μΩ·m | 1.09±0.05 | 1.18±0.05 | 1.12±0.05 | 1.04±0.05 | 1.04±0.05 | ||
Specific Heat(20°C) J/g.°C | 0.44 | 0.461 | 0.494 | 0.5 | 0.5 | ||
Heat Conductivity KJ/m·h·°C | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | ||
Cofficient of Thermal Expansion a×10-6/°C | 18 | 17 | 17 | 19 | 19 | ||
Tensile Strength Mpa | >85 | >85 | >85 | >85 | >85 | ||
Elongation % | ≥20 | ≥20 | ≥20 | ≥20 | ≥20 | ||
Repeatedly Bend Frequency F/R | >12 | >12 | >12 | >12 | >12 | ||
Microghpic Structure | austenite | ||||||
Magnetic Property | Nonmagnetic |
Package of Ni80Cr20 Nickel-Chrome alloy wire
Production process of Ni80Cr20 Nickel-Chrome alloy wire