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NiAlFe Alloy HY-130 Introduction
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HY-130 Alloy Introduction
1. Overview
HY-130 is a Nickel-Iron-Aluminum (Ni-Fe-Al) resistance alloy known for its high electrical resistivity, excellent thermal stability, and low temperature coefficient of resistance (TCR). It is widely used in precision resistors, temperature compensation components, and high-temperature applications where electrical stability is crucial.
2. Chemical Composition (Typical)
| Element | Composition (%) |
|---|---|
| Nickel (Ni) | ~77% |
| Iron (Fe) | ~20% |
| Aluminum (Al) | ~3% |
| Other trace elements | <1% |
3. Key Properties
| Property | Value |
|---|---|
| Electrical Resistivity | 1.2 - 1.5 μΩ·m |
| Temperature Coefficient of Resistance (TCR) | Very low (~0) |
| Melting Point | ~1400°C |
| Density | ~8.2 g/cm³ |
| Corrosion Resistance | Excellent |
| Thermal Stability | High |
4. Applications
✅ Precision Resistors – Used in industrial, aerospace, and electronic circuits requiring stable resistance.
✅ Temperature Compensation – Ideal for devices that must maintain stable resistance over temperature variations.
✅ High-Temperature Electronics – Used in power electronics, sensors, and aerospace applications due to its oxidation resistance.
✅ Heating Element s – Applied in specialized resistive heating systems where a stable electrical resistance is required.
5. Advantages of HY-130
✔ Higher resistivity than NiAlFe-1 and NiAlFe-2, making it ideal for precision applications.
✔ Very low TCR, ensuring resistance stability across varying temperatures.
✔ Superior oxidation and corrosion resistance, allowing long-term use in harsh environments.
6. Comparison with NiAlFe Alloys
| Property | NiAlFe-1 | NiAlFe-2 | HY-130 |
|---|---|---|---|
| Nickel Content | 70% | 60% | 77% |
| Iron Content | 20% | 25% | 20% |
| Aluminum Content | 10% | 15% | 3% |
| Electrical Resistivity (μΩ·m) | 0.4 - 0.8 | 0.5 - 1.0 | 1.2 - 1.5 |
| TCR Stability | Good | Better | Excellent |
| Application | General resistors | High-stability resistors | Precision & high-temp resistors |
7. Conclusion
HY-130 is a high-performance resistance alloy with better stability and higher resistivity compared to NiAlFe alloys. It is widely used in precision resistors, aerospace electronics, and temperature-sensitive applications where exceptional stability is required.
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