Description
0Cr23Al5 FeCrAl Resistance Heating Ribbon Wire is also called nickel chromium heating wire. Nickel chromium resistance wire is constructed from an alloy made from nickel (Ni), chromium (Cr), and often iron, primarily it is used as a resistance wire. Nickel chromium wire is widely used in home appliances and industrial heat treatment area. It's also included different types:NiCr Circular Wires: Cr20Ni80, Cr15Ni60, Cr20Ni35, Cr20Ni30, Cr30Ni70, Ni98.FeCrAl Circular Wires, Flat Wires:Ocr25Al5, Ocr21Al6, Ocr21Al4, Ocr23Al5, Ocr21Al6Nb, Ocr27Al7Mo2.
The highest working temperature of 0Cr27AL7Mo2 is 1400℃, while the highest working temperature of Cr20Ni80 is 1200℃. 2, long service life. At the same temperature in the atmosphere, the life of fe-Cr-Al can be 2-4 times that of ni-Cr-al. 3, the surface load is high.
Iron chromium aluminum, nickel chromium electrothermal alloy, its oxidation resistance is generally strong, but as the furnace contains a variety of gases, such as air, carbon atmosphere, sulfur atmosphere and hydrogen, nitrogen atmosphere and so on, these gases have a certain impact on the components in high temperature use, although all kinds of electrothermal alloy before factory oxidation treatment, But on transportation, winding, installation link element damage will be in a certain extent, and reduce the service life and to prolong service life, requires a pre oxidation treatment before use, the method is to installation of electric heating alloy components, electric heat in dry air below alloy allows highest use temperature 100-200 degrees, insulation 5-10 hours, Then with the furnace slow cooling can be.
Data Sheet
| Grades | 1Cr13AL4 | 1Cr21AL4 | 0Cr21AL6 | 0Cr23AL5 | 0Cr25AL5 | 0Cr21AL6Nb | 0Cr27AL7Mo2 |
| Main chemical composition% | |||||||
| Cr | 12.0-15.0 | 18.0-21.0 | 19.0-22.0 | 22.0-24.5 | 23.0-26.0 | 21.0-23.0 | 26.5-27.8 |
| AI | 4.0-6.0 | 3.0-4.2 | 5.0-7.0 | 4.2-5.0 | 4.5-6.5 | 5.0-7.0 | 6.0-7.0 |
| Fe | balance | balance | balance | balance | balance | balance | balance |
| Re | - | - | - | - | - | - | - |
| Nb0.5 | Mo1.8-2.2 | ||||||
| Max Working Temp | 950 | 1100 | 1250 | 1250 | 1250 | 1350 | 1400 |
| Melting point | 1450 | 1500 | 1500 | 1500 | 1500 | 1510 | 1520 |
| Density | 7.4 | 7.35 | 7.16 | 7.25 | 7.1 | 7.1 | 7.1 |
| (g/cm³) | |||||||
| Resistivity μΩ·m,20 | 1.25±0.05 | 1.23±0.05 | 1.42±0.05 | 1.35±0.05 | 1.42±0.05 | 1.45±0.05 | 1.53±0.05 |
| Tensile strength Mpa | 588-735 | 600-700 | 637-784 | 630-780 | 637-784 | 637-784 | 686-784 |
Product detail
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