Product Overview
Our high-permeability pure iron cores are precision-engineered for applications demanding exceptional magnetic performance and energy efficiency. With ultra-low carbon content (<0.02%) and minimized impurities, these cores deliver superior magnetic permeability while maintaining mechanical stability across diverse operating conditions.
Technical Specifications
Composition & Key Properties
|
Component |
Content |
Property |
Value |
|
Iron (Fe) |
≥99.9% |
Permeability (μ) |
Up to 150,000 H/m |
|
Carbon (C) |
≤0.02% |
Coercivity (Hc) |
≤10 A/m |
|
Sulfur (S) |
≤0.005% |
Core Loss (50 Hz) |
≤2.5 W/kg |
|
Phosphorus (P) |
≤0.005% |
Density |
7.87 g/cm³ |
Applications
Optimized for Energy-Efficient Systems
- Power Electronics:
- Transformer and inductor cores for reduced eddy current losses.
- High-frequency switching applications (e.g., EV charging systems).
-Industrial Sensors:
- Precision current sensors and magnetic relays.
- Renewable Energy:
- Wind turbine generators and solar inverter components.
Competitive Advantages
Why Our Pure Iron Cores Stand Out
|
Feature |
Benefit |
Industry Comparison |
|
Ultra-Low Hysteresis |
Minimizes energy loss in cyclical magnetization. |
Typical cores: 15–20% higher loss. |
|
Tailored Annealing |
Hydrogen atmosphere annealing for uniform grain structure. |
Conventional annealing may cause stress gradients. |
|
Custom Geometry |
Available in toroidal, E-shaped, and laminated designs. |
Limited off-the-shelf options. |
Manufacturing Process
Precision-Centric Production
1. Vacuum Induction Melting (VIM): Reduces oxygen and nitrogen impurities.
2. Cold Rolling: Achieves precise thickness (0.1–5 mm) with ±0.01 mm tolerance.
3. Hydrogen Annealing: Eliminates residual stresses and enhances permeability.
Certifications & Compliance
- Quality Standards: ISO 9001, ASTM A848, RoHS compliant.
- Sustainability: 98% material utilization rate via closed-loop recycling.
FAQ
Q: How does pure iron compare to silicon steel for core applications?
A: Pure iron offers higher permeability and lower hysteresis loss, while silicon steel provides better high-frequency performance.
Q: Can these cores operate in high-temperature environments?
A: Yes, stable performance up to 400°C with proper insulation.
Q: Do you provide custom coatings?
A: Optional phosphate or epoxy coatings for corrosion protection.
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