SPARK 0Cr25Al5 High Resistance Fe-Cr-Al Electric Heating Alloy Wire
The SPARK 0Cr25Al5 is a high-performance Iron-Chromium-Aluminum (Fe-Cr-Al) electric heating alloy designed for extreme thermal environments. Containing approximately 25% Chromium and 5.3% Aluminum, this alloy is a flagship product of Shougang Gitane, offering exceptional electrical resistivity and thermal conversion efficiency.
Product Introduction
Engineered to withstand continuous operating temperatures up to 1300°C, 0Cr25Al5 forms a dense, protective oxide film that effectively resists further oxidation, significantly extending its service life. Whether used in heavy industrial furnaces or precision civilian appliances, SPARK 0Cr25Al5 provides a stable and efficient heating solution that meets the highest global standards.
Product Features
Extreme Temperature Capability: Maintains structural integrity and performance at continuous temperatures up to 1300°C.
High Electrical Resistivity: With a resistivity of 1.4 Ω·mm²/m, it ensures rapid and efficient conversion of electricity to thermal energy.
Superior Oxidation Resistance: The high Aluminum content enables the formation of a dense Al₂O₃ protective layer, ideal for long-term use.
Uniform Composition: Produced with Gitane’s advanced smelting technology to ensure consistent material density and electrical properties.
Excellent Processing Performance: Can be easily manufactured into various forms, such as fine wire or thin strip, without compromising toughness.
Dimensional Stability: Low thermal expansion and high creep resistance prevent deformation during frequent heating cycles.
High Electrical Resistivity: With a resistivity of 1.4 Ω·mm²/m, it ensures rapid and efficient conversion of electricity to thermal energy.
Superior Oxidation Resistance: The high Aluminum content enables the formation of a dense Al₂O₃ protective layer, ideal for long-term use.
Uniform Composition: Produced with Gitane’s advanced smelting technology to ensure consistent material density and electrical properties.
Excellent Processing Performance: Can be easily manufactured into various forms, such as fine wire or thin strip, without compromising toughness.
Dimensional Stability: Low thermal expansion and high creep resistance prevent deformation during frequent heating cycles.
Technical Parameters
| Physical & Mechanical Properties | 0Cr25Al5 Specification Data |
| Maximum Continuous Operating Temperature | 1300 °C |
| Nominal Composition - Chromium (Cr) | 25 % |
| Nominal Composition - Aluminum (Al) | 5.3 % |
| Nominal Composition - Iron (Fe) | Remainder (Headroom) |
| Electrical Resistivity at 20°C | 1.4 Ω·mm²/m |
| Density | 7.25 g/cm³ |
| Melting Point | 1500 °C |
| Tensile Strength | 750 MPa |
| Hardness | 230 Hv |
| Elongation | 16 % |
| Temperature Coefficient (α) - 800°C | 1.05 |
| Temperature Coefficient (α) - 1000°C | 1.06 |
| Temperature Coefficient (α) - 1200°C | 1.06 |
| Thermal Conductivity (20°C) | 13 W/(m·K) |
| Magnetism / Emissivity | Ferromagnetism / 0.7 |
Application fields
SPARK 0Cr25Al5 is versatile, serving both large-scale industrial and precision civilian sectors:
Technical Support
GITANE provides comprehensive technical backing for the SPARK series:
Why Choose Us?
Shougang Group Heritage: Over 50 years of specialized manufacturing since the 1950s (originally Beijing Steel Wire Plant).
Market Leadership: High-end alloys hold over 80% of the domestic market share, ranking 2nd globally in production volume.
Patented Innovation: Holder of 70+ patents and leader in establishing 6 national industry standards.
Advanced Production Lines: Equipped with high-speed, computer-controlled automatic winding machines to ensure precise power capacity and uniform pitch.
Certified Excellence: ISO9001 quality system certified, guaranteeing accurate dimensions and stable resistance.
Market Leadership: High-end alloys hold over 80% of the domestic market share, ranking 2nd globally in production volume.
Patented Innovation: Holder of 70+ patents and leader in establishing 6 national industry standards.
Advanced Production Lines: Equipped with high-speed, computer-controlled automatic winding machines to ensure precise power capacity and uniform pitch.
Certified Excellence: ISO9001 quality system certified, guaranteeing accurate dimensions and stable resistance.
Available product specifications
| Form | Dimension / Specification Range |
| Round Wire | Various diameters for industrial and civil use |
| Flat Strip | Customized width and thickness for high-power elements |
| Spiral Coils | Precision pre-wound helixes with SPARK brand quality |
| Customized Designs | Non-standard shapes based on CAD drawings |
| Accepted Delivery | FOB; Support for USD, EUR, JPY, CNY. |
