Our 4J47 Nickel-Iron alloy plate is a top-tier choice for precision machining and thermal stability. With a carefully balanced composition of nickel and iron, this alloy offers a low thermal expansion coefficient that syncs perfectly with specific ceramics and glasses. This makes it ideal for creating stable, high-precision components like sensors, electronic seals, and connectors. Stable from -70°C to 500°C, our 4J47 alloy boasts excellent corrosion resistance, machinability, and weldability, ensuring top performance in demanding applications where accuracy is critical.
The precision alloy market is booming, with a projected CAGR of 6.3% through 2030, driven by demand in electronics, aerospace, and automotive sectors. The rise of IoT, 5G, and electric vehicles is pushing the need for materials that deliver thermal stability and precision in compact designs. Components like sensors and connectors require alloys that can withstand thermal stress while maintaining tight tolerances, and our 4J47 alloy fits the bill. As industries prioritize efficiency and durability, this alloy is a key player in meeting the challenges of modern manufacturing.
| Elements | 4J29 | 4J36 | |
| Carbon (C) | Not greater than | 0.03 | 0.05 |
| Sulfur (S) | 0.02 | 0.02 | |
| Phosphorus (P) | 0.02 | 0.02 | |
| Manganese (Mn) | ≤0.50 | 0.20-0.60 | |
| Silicon (Si) | ≤0.30 | ≤0.30 | |
| Nickel (Ni) | 28.5-29.5 | 35.0-37.0 | |
| Chromium (Cr) | - | - | |
| Cobalt (Co) | 16.8-17.8 | - | |
| Iron (Fe) | Rest | Rest | |
| Other Elements |
| Alloy Grade | 20°C-100°C | 20°C-300°C | 20°C-500°C |
| 4J36 Invar Alloy | 1.2×10⁻⁶ /°C | 2.5×10⁻⁶ /°C | - |
| 4J29 Kovar Alloy | 4.6×10⁻⁶ /°C | 5.5×10⁻⁶ /°C | 6.2×10⁻⁶ /°C |
| Alloy Grade | 4J36 Invar Alloy | 4J29 Kovar Alloy |
| Density (g/cm³) | 8.1 | 8.2 |
| Tensile Strength (MPa) | 500-600 | 600-700 |
| Yield Strength (MPa) | 250-350 | 300-400 |
| Hardness (HV) | 150-200 | 200-250 |
| Alloy Grade | 4J36 Invar Alloy | 4J29 Kovar Alloy |
| Electrical Resistivity (10⁻⁶ Ω·cm) | 80 | 50 |
| Thermal Conductivity (W/m·K) | 10-12 | 16-18 |
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Our 4J47 alloy plate is a versatile solution for high-precision applications:
Electronics: Ensures stable seals in connectors, circuit packages, and microelectronics.
Aerospace: Supports precision components in avionics and satellite systems under thermal stress.
Automotive: Powers reliable sensors and connectors in EV battery systems and ADAS.
Telecommunications: Enhances performance in microwave components and optical systems.
Precision Engineering: Used in gauges and instruments requiring thermal stability.
Its low thermal expansion and robust properties make it perfect for applications where precision and reliability are non-negotiable.
Comparison Table: 4J47 Nickel-Iron Alloy Plate vs. Other Precision Alloys
Parameter | 4J47 Nickel-Iron Alloy Plate | Other Precision Alloys |
|---|---|---|
Thermal Expansion (CTE) | Matches ceramics/glass (~5.2 × 10⁻⁶ /K) | Varies, often less precise match |
Temperature Range | -70°C to 500°C | Typically limited to 250–450°C |
Corrosion Resistance | Excellent, withstands harsh environments | Moderate, depends on alloy composition |
Weldability | High, supports reliable seals | Inconsistent, some alloys less weldable |
Machinability | Superior, ideal for precision fabrication | Moderate, may require specialized tools |
Applications | Electronics, aerospace, sensors | Limited to less demanding applications |
Durability | Exceptional, resists thermal fatigue | Varies, may degrade under extremes |
Customization | Highly customizable (size, form, thickness) | Limited flexibility in customization |
Our 4J47 alloy plate stands out for its quality and versatility:
Precision Manufacturing: We adhere to ASTM F1466 standards, ensuring consistent composition, strength, and thermal properties.
Custom Solutions: Available in tailored sizes, thicknesses (0.3–10mm), and forms to meet your exact specifications.
Superior Quality: Rigorous testing for surface finish, grain size, and inclusions guarantees flawless performance.
Fast Delivery: Flexible MOQs starting at 100kg and in-stock options for quick turnaround.
Expert Support: Our R&D team provides technical guidance to optimize your designs.
Compared to other options, our 4J47 alloy offers unmatched precision, thermal stability, and cost-effectiveness, making it the ideal choice for high-stakes projects.
Conclusion
Our 4J47 Nickel-Iron alloy plate is the ultimate solution for precision machining and thermal stability. Its low thermal expansion, durability, and versatility make it a trusted material across electronics, aerospace, and automotive industries. As the demand for high-precision, reliable components grows, our 4J47 alloy delivers, backed by our commitment to quality, customization, and rapid delivery. Choose our 4J47 alloy plate to elevate your next project with unmatched accuracy and performance.
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About Us:
Our 12,000㎡ factory is equipped with complete capabilities for research, production, testing, and packaging. We strictly adhere to ISO 9001 standards in our production processes, with an annual output of 1,200 tons. This ensures that we meet both quantity and quality demands. Furthermore, all products undergo rigorous simulated environment testing including high temperature, high pressure, and corrosion tests before being dispatched, ensuring they meet customer specifications. For all our clients, we offer timely and multilingual after-sales support and technical consulting, helping you resolve any issues swiftly and efficiently.
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FAQs
What is 4J47 Nickel-Iron alloy plate used for?
It’s used for precision machining and thermal stability in components like sensors and electronic seals requiring consistent performance.Why is 4J47 ideal for precision applications?
Its low thermal expansion coefficient matches specific ceramics and glasses, ensuring stability during temperature changes.Which industries use 4J47 alloy plates?
Electronics, aerospace, automotive, telecommunications, and precision engineering industries rely on it for accuracy and durability.How does 4J47 perform under thermal stress?
It remains stable from -70°C to 500°C, ideal for high-precision environments.What are the key properties of 4J47 alloy?
Low thermal expansion, high corrosion resistance, excellent machinability, and weldability for precision components.Can 4J47 be customized for specific projects?
Yes, we offer custom thicknesses, widths, and forms (plate, sheet, strip) to meet your project needs.What standards does 4J47 meet?
It complies with ASTM F1466 and other industry standards for composition, strength, and thermal properties.How does 4J47 enhance component longevity?
Its thermal stability and resistance to stress ensure reliable, long-lasting performance in precision applications.
