Ni80Cr20 Nichrome Alloy Flat Wire for High-Temperature Heating Elements
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Detailed Product Description
Nichrome 8020 Nickel Chrome/Chromium Alloy Flat Wire (Ni80Cr20/Nicr 80/20)Ni80Cr20 is a nickel-chromium alloy (NiCr alloy) characterized by
high resistivity, good oxidation resistance and very good form
stability. It is suitable for use at temperatures up to 1200°C,and
hold a superior service life compared to Iron chromium alumium
alloys. |
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| Alloy Nomenclature Performance | Ni80Cr20 | Ni70Cr30 | Ni60Cr15 | Ni35Cr20 | Ni30Cr20 | |
| 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 temp. of element(°C) | 1200 | 1250 | 1150 | 1100 | 1100 | |
| Resistivity at 20C (uQ-m) | 1.09 | 1.18 | 1.12 | 1.0 | 1.04 | |
| Density(g/cm3) | 8.40 | 8.10 | 8.20 | 7.90 | 7.90 | |
| Thermal conductivity (KJ/m-h.°C) | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | |
| Coefficient of lines expansion(ax10-6/°C) | 18.0 | 17.0 | 17.0 | 19.0 | 19.0 | |
| Melting point approx.( °C) | 1400 | 1380 | 1390 | 1390 | 1390 | |
| Elongation at rupture(%) | >20 | >20 | >20 | >20 | >20 | |
| Micrographic structure | austenite | austenite | austenite | austenite | austenite | |
| Magnetic properties | nonmagneti | nonmagneti C | Weak magnetic | Weak magnetic | Weak magnetic | |
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