SPARK 0Cr23Al5 High Resistance Fe-Cr-Al Electric Heating Alloy Wire
SPARK brand 0Cr23Al5 is a premium high-performance Iron-Chromium-Aluminum (Fe-Cr-Al) electric heating alloy, specifically engineered for components operating in demanding high-temperature environments. As a flagship product of Beijing Shougang Gitane New Materials Co., Ltd., it combines exceptional oxidation resistance with stable mechanical properties.
Product Introduction
By strictly controlling the aluminum content between 4.5% and 5.0% during production, Gitane ensures that each 0Cr23Al5 alloy wire meets rigorous industrial design standards. Whether used in high-temp industrial kilns or precision civilian appliances, this alloy provides a reliable and long-lasting thermal solution.
Product Features
Superior Oxidation Resistance: Forms a stable protective layer, making it ideal for harsh, high-temperature working conditions.
High Resistivity: Features a nominal resistivity of 1.35 Ω·mm²/m, ensuring efficient conversion of electrical energy to heat.
Strict Composition Control: Aluminum content is meticulously maintained at 4.5-5.0% to ensure consistency and quality.
Uniform Composition & Dimensions: Produced with high-precision technology to guarantee accurate dimensions and uniform alloy distribution.
Long Operating Life: Optimized material ratios and processing ability extend the service life of heating elements, reducing maintenance costs.
Good Processability: Suitable for various winding and shaping requirements, maintaining structural integrity after processing.
High Resistivity: Features a nominal resistivity of 1.35 Ω·mm²/m, ensuring efficient conversion of electrical energy to heat.
Strict Composition Control: Aluminum content is meticulously maintained at 4.5-5.0% to ensure consistency and quality.
Uniform Composition & Dimensions: Produced with high-precision technology to guarantee accurate dimensions and uniform alloy distribution.
Long Operating Life: Optimized material ratios and processing ability extend the service life of heating elements, reducing maintenance costs.
Good Processability: Suitable for various winding and shaping requirements, maintaining structural integrity after processing.
Technical Parameters
| Physical & Mechanical Properties | 0Cr23Al5 Specification Data |
| Max. Continuous Operating Temp | 1250 °C |
| Nominal Composition - Cr | 22 % |
| Nominal Composition - Al | 5.0 % (Controlled 4.5-5.0%) |
| Nominal Composition - Fe | Remainder (Headroom) |
| Electrical Resistivity at 20°C | 1.35 Ω·mm²/m |
| Density | 7.25 g/cm³ |
| Tensile Strength | 750 MPa |
| Hardness | 230 Hv |
| Elongation | 16 % |
| Melting Point | 1500 °C |
| Magnetism | Ferromagnetism |
| Resistance Temp Coefficient (α) - 800°C | 1.06 |
| Resistance Temp Coefficient (α) - 1000°C | 1.07 |
| Resistance Temp Coefficient (α) - 1200°C | 1.08 |
| Thermal Conductivity (20°C) | 13 W/(m·K) |
Application fields
Due to its high resistance and stability, 0Cr23Al5 is a preferred material in various sectors:
Technical Support
GITANE provides end-to-end technical expertise for all Fe-Cr-Al heating solutions:
Why Choose Us?
Decades of Expertise: Over 60 years of research in electrical heating alloys since the 1950s.
Global Rank: Our high-end alloys hold over 80% of the domestic market share, ranking 2nd globally.
Technological Vanguard: Holder of nearly 70 patents and developer of 6 national standards.
Precision Manufacturing: Equipped with high-speed automatic winding machines with computer-controlled power capacity for the “SPARK” brand.
Certified Quality: ISO9001 certified quality system since 2003, ensuring small output power error and stable resistance.
Global Rank: Our high-end alloys hold over 80% of the domestic market share, ranking 2nd globally.
Technological Vanguard: Holder of nearly 70 patents and developer of 6 national standards.
Precision Manufacturing: Equipped with high-speed automatic winding machines with computer-controlled power capacity for the “SPARK” brand.
Certified Quality: ISO9001 certified quality system since 2003, ensuring small output power error and stable resistance.
