Nichrome Heating Resistance Alloy Wire Cr20ni80
China Nichrome Heating Resistance Alloy Wire Cr20ni80, Find details about China Nichrome Heating Resistance Alloy Wire Cr20ni80, Nichrome Heating Resistance Alloy Wire from Nichrome Heating Resistance Alloy Wire Cr20ni80
Basic Info.
Model NO.
Cr20Ni80
Origin
Jiangyin, China
Model NO.
Cr20Ni80
Origin
Jiangyin, China
Product Desciption
Nickel Chromium Wire
Nickel-Chrome & Nickel-Chrome-Iron alloy wire
The Nickel-Chrome and Nickel-Chrome-Iron alloy wires are widely used as the high resistance alloy for electrical heating and wire-wound resistors in metallurgical industry,chemical industry and electrical industry, etc.
This alloy wire has higher electrical resistance coefficient, good anti-oxidation and anti-corrosion performance, and it also has good mechanical workability and weldability, with a high strength at high temperature.
Note: The various grades of electric resistance alloy material are blended with the amount of rare earth , titanium and other trace elements, to improve the processing performance and extend the period of the uselife .
Working
Certification
Nickel-Chrome & Nickel-Chrome-Iron alloy wire
The Nickel-Chrome and Nickel-Chrome-Iron alloy wires are widely used as the high resistance alloy for electrical heating and wire-wound resistors in metallurgical industry,chemical industry and electrical industry, etc.
This alloy wire has higher electrical resistance coefficient, good anti-oxidation and anti-corrosion performance, and it also has good mechanical workability and weldability, with a high strength at high temperature.
Main characteristics of Ni-Cr and Ni-Cr-Fe electric heating alloys |
| Type Performance | Cr20Ni80 | Cr30Ni70 | Cr15Ni60 | Cr20Ni35 | Cr20Ni30 | Cr25Ni20 | |
| Main Chemical composition | Ni | Rest | Rest | 55.0-61.0 | 34.0-37.0 | 30.0-34.0 | 19.0-22.0 |
| Cr | 20.0-23.0 | 28.0-31.0 | 15.0-18.0 | 18.0-21.0 | 18.0-21.0 | 24.0-26.0 | |
| Fe | ≤1.0 | ≤1.0 | Rest | Rest | Rest | Rest | |
| Max. continuous service temp. of element (ºC) | 1200 | 1250 | 1150 | 1100 | 1100 | 1050 | |
| Resistivity at 20oC (μΩ·m) | 1.09±0.05 | 1.18±0.05 | 1.12±0.05 | 1.0±0.05 | 1.04±0.05 | 0.95±0.05 | |
| Density (g/cm3) | 8.40 | 8.10 | 8.20 | 7.90 | 7.90 | 7.15 | |
| Thermal conductivity (KJ/m·h·ºC) | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | 43.8 | |
| Coefficient of lines expansion (α×10-6/ºC) | 18.0 | 17.0 | 17.0 | 19.0 | 19.0 | 19.0 | |
| Melting point (approx.)( ºC) | 1400 | 1380 | 1390 | 1390 | 1390 | 1400 | |
| Elongation at rupture (%) | >20 | >20 | >20 | >20 | >20 | >20 | |
| Micrographic structure | austenite | austenite | austenite | austenite | austenite | austenite | |
| Magnetic properties | nonmagnetic | nonmagnetic | nonmagnetic | Weak magnetic | Weak magnetic | Weak magnetic | |
Working
Certification
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