| Customization: | Available |
|---|---|
| Product Type: | Wire |
| Material: | Cr20ni80 |
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Cr20Ni80 Alloy Heating Resistance Wires 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.
main characteristics of Cr20Ni80 Alloy Heating Resistance Wire
| Nichrome Alloy Heating 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 | ||||||
Picture of Cr20Ni80 Alloy Heating Resistance Wire
Production process of Cr20Ni80 Alloy Heating Resistance Wire
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