FeCrAl Alloy 0Cr25Al5 1.42 Ω/M Resistivity Iron Nickel Cobalt Alloy Wire
Product Introduction
0Cr25Al5 Wire is a high resistance electric heating alloy wire, the main chemical composition is carbon content ≤0.06%, silicon content ≤0.60%, manganese content ≤0.70%, phosphorus content ≤0.025%, sulfur content ≤0.020%, chromium content 23.0%~26.0%, nickel content ≤0.60%, aluminum content 4.5%~6.5%, the balance is iron. It has a high resistivity of 1.42±0.07μΩ·m, a density of 7.1 g/cm³, a melting point of about 1470-1510℃, and a maximum operating temperature of up to 1250℃.
This alloy wire has excellent antioxidant properties. Due to the presence of aluminum, it can react with oxygen to form a dense oxide film, which plays an antioxidant role. It also has high tensile strength and good heat resistance, and can maintain good mechanical properties under high temperature environment. 0Cr25Al5 Wire is widely used in industrial resistance furnaces and electric heating elements of household appliances. It is used in the aerospace field to manufacture components in high-temperature environments, such as engine turbine blades, combustion chambers, etc. In medical equipment, it is used to manufacture high-temperature disinfection equipment and instruments. In addition, it is also used for heating elements and heating tubes in industrial heating equipment, electronic components and chemical equipment.
Parameter
| Shape | Size (mm) |
| Wire | 0.025-8.00mm |
| Rod | 8.00-50.00mm |
| Robbin | (0.05-0.35)*(0.5-6.0)mm |
| Strip | (0.50-2.50)*(5.00-180.00)mm |
| Alloy Nomenclature Performance | 1Cr13Al4 | 0Cr25Al5 | 0Cr21Al6 | 0Cr23Al5 | 0Cr21Al4/ 0Cr19Al3 | 0Cr21Al6Nb | 0Cr27Al7Mo2 |
| Main chemical composition | Cr | 12.0-15.0 | 23.0-26.0 | 19.0-22.0 | 20.5-23.5 | 18.0-21.0 | 21.0-23.0 | 26.5-27.8 |
| Al | 4.0-6.0 | 4.5-6.5 | 5.0-7.0 | 4.2-5.3 | 3.0-4.2 | 5.0-7.0 | 6.0-7.0 |
| Rest | opportune | opportune | opportune | opportune | opportune | opportune | opportune |
| Fe | Rest | Rest | Rest | Rest | Rest | Rest | Rest |
| Others | -- | -- | -- | -- | -- | Nb 0.5 | Mo 1.8-2.2 |
| Max. continuous service temp. of element( °C ) | 950 | 1250 | 1250 | 1250 | 1100 | 1350 | 1400 |
| Resistivity at 20ºC(μΩ@m) | 1.25 | 1.42 | 1.42 | 1.35 | 1.23 | 1.45 | 1.53 |
| Density(g/cm3) | 7.4 | 7.1 | 7.16 | 7.25 | 7.35 | 7.1 | 7.1 |
| Thermal conductivity(KJ/m@h@ºC) | 52.7 | 46.1 | 63.2 | 60.2 | 46.9 | 46.1 | |
| Line expansion coefficient(α×10-6/ºC) | 15.4 | 16 | 14.7 | 15 | 13.5 | 16 | 16 |
| Melting point approx.( ºC) | 1450 | 1500 | 1500 | 1500 | 1500 | 1510 | 1520 |
| Tensile Strength(N/mm2) | 580-680 | 630-780 | 630-780 | 630-780 | 600-700 | 650-800 | 680-830 |
| Elongation at break(%) | >16 | >12 | >12 | >12 | >12 | >12 | >10 |
| Variation of area(%) | 65-75 | 60-75 | 65-75 | 65-75 | 65-75 | 65-75 | 65-75 |
| Repeat bending frequency(F/R) | >5 | >5 | >5 | >5 | >5 | >5 | >5 |
| Hardness (H.B.) | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 |
| continuous service time(Hours/ºC) | -- | ≥80/1300 | ≥80/1300 | ≥80/1300 | ≥80/1250 | ≥50/1350 | ≥50/1350 |
| Micrographic structure | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite |
| Magnetic properties | Magnetic | Magnetic | Magnetic | Magnetic | Magnetic | Magnetic | Magnetic |
Specific Applications
- Industrial resistance furnace: 0Cr25Al5 alloy is widely used to manufacture electric heating elements of industrial resistance furnaces, suitable for working environments with a temperature range of 950-1400℃. Its high resistivity and good oxidation resistance enable it to work stably at high temperatures and extend its service life.
- Household appliances: It is used to manufacture electric heating elements in household appliances, such as electric heating tubes and electric heating wires, to ensure stability and safety in high temperature environments.
- High-temperature components: 0Cr25Al5 alloy is used in the aerospace field to manufacture components in high-temperature environments, such as engine turbine blades, combustion chambers, etc., to ensure reliability and stability in extreme environments.
- High-temperature pipes and containers: In chemical equipment, 0Cr25Al5 alloy can withstand high temperatures and high pressures, and is suitable for manufacturing important components such as pipes, containers and sensors, ensuring long-term stability in corrosive environments.
Advantages and Characteristics
- High resistivity: The resistivity of 0Cr25Al5 alloy is 1.42±0.07 μΩ·m (20℃), which can maintain a stable resistance value in a wide temperature range and is suitable for high-precision resistor elements.
- Antioxidation: In high temperature environment, 0Cr25Al5 alloy has excellent oxidation resistance and can maintain good oxidation resistance below 800℃.
- Antisulfur and carburization resistance: It has excellent antisulfur and carburization resistance and is suitable for environments containing sulfur and sulfide atmospheres.
- High temperature strength: 0Cr25Al5 alloy has high mechanical strength at high temperatures and can maintain good performance below 950℃. Its tensile strength is ≥600 MPa and its elongation is ≥12%, ensuring stability and reliability in high temperature environments.
- Cold working and hot working: 0Cr25Al5 alloy has good cold working and hot working properties and can be manufactured into wires and strips of various shapes through cold drawing, hot rolling and other processes.
Contact Us
Email:fbwlau@cnrunlai.com
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Support and Services:
Our Nichrome Alloy product comes with technical support and services to ensure optimal performance and customer satisfaction:
- Expert consultation on product selection and application
- Technical assistance for installation and maintenance
- Product testing and analysis for quality control
- Customized solutions for unique customer needs
- Training and education on product use and safety
We are committed to providing our customers with the highest level of support and service for our Nichrome Alloy product.
Packing and Shipping:
Product Packaging:
- The Nichrome Alloy product will be packaged securely in a durable cardboard box to ensure safe transport.
- The product will be wrapped in protective bubble wrap to prevent any damage during shipping.
- A label with the product name and details will be placed on the box for easy identification.
Shipping:
- The product will be shipped via a reputable courier service within 2 business days of receiving the order.
- Customers will receive a tracking number once the product has been shipped.
- Please allow 5-7 business days for delivery.
- If there are any issues with the product or shipping, please contact our customer service team for assistance.
Related Questions and Answers
Q: What is the corrosion resistance of 0Cr25Al5 Wire?
A: 0Cr25Al5 Wire has good corrosion resistance at high temperature, and is especially suitable for use in atmospheres containing sulfur and sulfides.
Q: What are the mechanical properties of 0Cr25Al5 Wire?
A: The tensile strength of 0Cr25Al5 Wire is 600 MPa, the yield strength is 300 MPa, and the elongation after fracture is ≥16%.
Q: What are the main application areas of 0Cr25Al5 Wire?
A: 0Cr25Al5 Wire is widely used in industrial electric furnaces, household appliances, far-infrared devices, etc., and is an ideal heating material.
Q: What is the chemical composition of 0Cr25Al5 Wire?
A: The main chemical components of 0Cr25Al5 Wire include: carbon (C) content less than 0.06%, chromium (Cr) content 23.0-26.0%, aluminum (Al) content 4.5-6.5%, and the rest are iron (Fe) and other trace elements.
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