Alloy 48 / 1.3922 Precision Alloy

📄 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

🧩 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