Ningbo Huali Steel Co., Ltd is a well-known manufacturer of Precision 0cr21al6 FeCrAl Alloy Coil in China, specializing in producing 1.4725/Cral4/0Cr18Al4, 1.4767/Cral6/0Cr21Al6, 0Cr15Al5, etc. We receives worldwide appreciation from all leading manufacturers of catalytic converters for automotive OEMs, diesel particle filters and in the field of fuelcells and electrolyzers.
Precision 0cr21al6 FeCrAl alloy coil (0Cr21Al6 iron-chromium-aluminum alloy coil) is a high-resistance electric heating alloy with iron as the matrix and the addition of chromium (Cr), aluminum (Al) and other elements. It belongs to the family of iron-chromium-aluminum (Fe-Cr-Al) alloys. In its naming rules, "0" means extremely low carbon content (≤0.04%), "21" represents about 21% chromium content, and "6" represents about 6% aluminum content.
Precision 0cr21al6 FeCrAl alloy coil has the characteristics of high resistivity, low temperature coefficient of resistance, high operating temperature, and good oxidation resistance at high temperature. It can be used for a long time at a temperature of up to 1250℃, and some variants such as 0Cr21Al6Nb can be used at a temperature of up to 1350℃.
Precision 0cr21al6 FeCrAl alloy coil is commonly used in electric ceramic stoves, three-way catalytic converters, resistors, industrial electric furnaces, heat treatment furnaces, heaters, heating elements of electrical appliances, etc.
| GRADE | Chemical Composition | ||||||||
| Cr | AI | Cr | AI | S | P | Mn | Ni | N | |
| 0Cr21AI6 | 19.0-22.0 | 5.0-7.0 | 19.8946 | 5.4475 | 0.001 | 0.014 | 0.097 | 0.1099 | 0.0057 |
The product characteristics of precision 0cr21al6 FeCrAl alloy coil include high resistivity and low resistance temperature coefficient, excellent high-temperature oxidation resistance and corrosion resistance, light weight, high strength, long life and excellent processing performance.
The resistivity (20℃) of precision 0cr21al6 FeCrAl alloy coil is 1.45 μΩ·m, which is much higher than that of ordinary metal materials. It can effectively convert electrical energy into thermal energy. At the same time, the resistance temperature coefficient is low, which ensures stability at high temperatures. The synergistic effect of chromium and aluminum enables the alloy to form dense Cr₂O₃ and Al₂O₃ oxide films at high temperatures, which significantly improves oxidation resistance and corrosion resistance, especially suitable for sulfur and sulfide atmospheres. The alloy has a density of 7.1 g/cm³, high surface load, long service life, and relatively low price. It is an ideal heating material for industrial electric furnaces, household appliances and other fields. Precision 0cr21al6 FeCrAl alloy coil can be processed into strips, wires, bars, etc. of different specifications through cold rolling, hot rolling and other processes to meet diverse needs.
Commonly used in electric ceramic stoves, three-way catalysts, resistors, industrial electric furnaces, heat treatment furnaces, heaters, heating elements of electrical appliances, etc.
Precision 0cr21al6 FeCrAl alloy coil is a high-performance alloy material, mainly composed of iron, chromium, aluminum and other elements. Maximum temperatures are as follows: CrAl4/1.4725 up to 1.000°C, CrAl6/1.4767 up to 1.200°C.
Our dedicated loading team ensures meticulous handling of every shipment. Each container is securely reinforced with wood and wire rope to guarantee that your goods ( Precision 0cr21al6 FeCrAl alloy coil) arrive in safe condition.
Certificates: ISO9001, SGS, MTC...
