SPARK SGHYZ 1400℃ Ultra-High Temperature Electric Heating & Resistance Wire
SPARK SGHYZ is the third-generation high-performance Iron-Chromium-Aluminum (FeCrAl) alloy developed by Shougang Gitane. Building upon the success of the HRE series, SGHYZ represents a significant leap in purity and oxidation resistance. Engineered specifically for the most demanding thermal environments, it supports a stable working temperature of up to 1400℃.
Product Introduction
Through a unique metallurgical manufacturing process and a specialized combination of rare earth microalloying elements, SGHYZ offers world-class creep resistance and high-temperature strength. It is the premier choice for mission-critical applications such as chip manufacturing, photovoltaic processing, and high-power industrial kilns, gaining wide recognition from both domestic and international heat-resistant fiber experts.
Product Features
Extreme Operating Temperature: Designed for continuous service at 1400℃, exceeding the limits of standard FeCrAl alloys.
Superior Purity & Oxidation Resistance: Utilizing refined microalloying with rare earth elements to form a highly stable protective oxide layer.
Enhanced Creep Resistance: Exceptional resistance to sagging and deformation at peak temperatures, ensuring structural integrity.
High High-Temperature Strength: Boasts a high-temperature strength of 20 MPa at 1000℃, facilitating longer service life in heavy-duty cycles.
Stable Electrical Performance: Precise resistivity control (1.45±0.07 μΩ·m) ensures consistent power output and energy efficiency.
Third-Generation Technology: A proprietary evolution of the HRE alloy, optimized for high-power density industrial environments.
Superior Purity & Oxidation Resistance: Utilizing refined microalloying with rare earth elements to form a highly stable protective oxide layer.
Enhanced Creep Resistance: Exceptional resistance to sagging and deformation at peak temperatures, ensuring structural integrity.
High High-Temperature Strength: Boasts a high-temperature strength of 20 MPa at 1000℃, facilitating longer service life in heavy-duty cycles.
Stable Electrical Performance: Precise resistivity control (1.45±0.07 μΩ·m) ensures consistent power output and energy efficiency.
Third-Generation Technology: A proprietary evolution of the HRE alloy, optimized for high-power density industrial environments.
Technical Parameters
Model and Chemical Composition
| Element Category | Element | Content / Added Amount |
| Main Composition | Carbon (C) | ≤ 0.04% |
| Silicon (Si) | ≤ 0.4% | |
| Chromium (Cr) | 20.0 - 23.0% | |
| Aluminum (Al) | 5.8% | |
| Iron (Fe) | Balance | |
| Special Additives | Trace Elements (Rare Earth) | Added |
Physical & Mechanical Performance
| Property Item | Value / Specification |
| Maximum Service Temperature | 1400 ℃ |
| Resistivity (20℃) | 1.45 ± 0.07 μΩ·m |
| Annealed Tensile Strength | 650 - 800 N/mm² |
| High-Temp Strength (1000℃) | 20 MPa |
| Elongation | > 14% |
| Density | 7.1 g/cm³ |
| Rapid Life (1350℃, GB/T13300-91) | > 80 h |
| Radiation Coefficient (Fully Oxidized) | 0.7 |
| Melting Point | Approx. 1500 ℃ |
Resistance Temperature Correction Coefficient (Ct)
| Temperature | 700℃ | 900℃ | 1100℃ | 1200℃ | 1300℃ |
| Ct Coefficient | 1.02 | 1.03 | 1.04 | 1.04 | 1.04 |
Average Linear Expansion Coefficient
| Temperature Range | Coefficient (α) |
| 20 - 250℃ | 11 × 10⁻⁶/K |
| 20 - 500℃ | 12 × 10⁻⁶/K |
| 20 - 750℃ | 14 × 10⁻⁶/K |
| 20 - 1000℃ | 15 × 10⁻⁶/K |
Application fields
SGHYZ is engineered for the most advanced industrial thermal processes:

Technical Support
Why Choose Us?
3rd-Generation Innovation: SGHYZ is a premium evolution of HRE, offering the highest purity in the Gitane FeCrAl lineup.
Shougang Group Expertise: 50+ years of R&D in high-end electric heating alloys with over 70 patents.
Market Leadership: Gitane alloys hold 80% of the domestic high-end market share and rank 2nd globally.
Certified Quality: ISO9001 certified production ensures minimal output power error and stable resistance.
International Recognition: Trusted by global leaders in high-temperature heat-resistant fiber and semiconductor manufacturing.
Shougang Group Expertise: 50+ years of R&D in high-end electric heating alloys with over 70 patents.
Market Leadership: Gitane alloys hold 80% of the domestic high-end market share and rank 2nd globally.
Certified Quality: ISO9001 certified production ensures minimal output power error and stable resistance.
International Recognition: Trusted by global leaders in high-temperature heat-resistant fiber and semiconductor manufacturing.
Available product specifications
| Specification Type | Parameters | Dimensions |
| Round Wire | Diameter (Φ) | 0.1 - 9.0 mm |
| Flat Wire | Thickness (d) x Width (L) | (0.1 - 0.4) x (0.5 - 4.5) mm |
| Flat Strip | Thickness (d) x Width (L) | (0.5 - 2.5) x (5 - 48) mm |
| Supply Form | Spools, Coils, or Precision Wound Spirals | Customizable |