Basic Info.
The Highest Use Temperature
1200
Transport Package
Paper Box, Wooden Box, or Other Packaging Material
Production Capacity
50000kg Per Year
Product Description
Product Description
Nichrome and nickel-chromium-iron resistance electrothermal alloy
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.
Typical applications for Ni80Cr20 are electric heating elements in home appliances,industrial furnaces and resistors(wirewound resistors,metal film resistors), flat irons, ironing machines, water heaters, plastic moulding dies, soldering irons, metal sheathed tubular elements and cartridge elements.
| 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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