📄 Product Description: H47X — Soft Magnetic Nickel-Iron Precision Alloy
🧾 General Technical Characteristics
H47X is a precision nickel-iron alloy known for its high magnetic permeability and low coercive force. The alloy is based on iron (Fe) with the addition of approximately 47% nickel (Ni), which provides optimal magnetic properties in low magnetic fields. H47X has a stable microstructure, good machinability, and excellent property retention after annealing.
⚙️ Applications
- High-frequency transformers
- Magnetic field sensors
- Cores for pulse coils and chokes
- Magnetic shielding
- Microelectronics and precision electromechanical devices
📈 Key Advantages
- ✅ High magnetic permeability in weak magnetic fields
- ✅ Low coercive force (excellent soft magnetic performance)
- ✅ Good processability and weldability
- ✅ Excellent stability of magnetic characteristics
- ✅ Available as ribbon, wire, sheets, rods
🧪 Typical Chemical Composition
| Element | Content (%) |
|---|---|
| Nickel (Ni) | 46.0–48.0 |
| Iron (Fe) | Balance |
| Manganese (Mn) | ≤ 0.50 |
| Silicon (Si) | ≤ 0.30 |
| Carbon (C) | ≤ 0.03 |
| Sulfur (S), Phosphorus (P) | ≤ 0.02 |
🧩 Physical and Magnetic Properties
- Electrical resistivity: ~0.55–0.60 μΩ·m
- Density: ~8.3 g/cm³
- Maximum magnetic permeability (μmax): > 40,000
- Coercive force (Hc): < 8 A/m
- Saturation induction (Bs): ~0.75–0.8 T
- Curie temperature: ~500–520 °C
✅ Conclusion
H47X alloy is a high-grade soft magnetic precision material optimized for applications requiring high sensitivity to magnetic field variations. Ideal for manufacturing transformers, magnetic shields, precision electronic components, and high-frequency devices.
Delivery Forms Alloy H47X
| Alloy H47X wheel | Diameter 4-300mm |
| Alloy H47X sheet | Thickness 0.5-20mm |
| Alloy H47X Tape | Thickness 0.2-2mm |
| Alloy H47X strip | Thickness 10-50mm |
| Alloy H47X wire | Diameter 0.5-9mm |
| Alloy H47X Tube | – Hot Rolled Round Tube diameter 38 or more up to 244.5 mm, thickness from 3 to 25 mm -Cold drawn round tube diameter from 6 to 219.1mm thickness from 0.9 to 14.2mm |
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