Our 4J06 Fe-Ni-Cr alloy plate is designed for durable glass sealing in automotive applications. With a precise mix of iron, nickel, and chromium, this alloy delivers a thermal expansion coefficient that perfectly matches specific glasses used in automotive components. This ensures reliable, crack-free seals in sensors, connectors, and electronic systems, even under tough conditions from -50°C to 500°C. Its excellent corrosion resistance, weldability, and machinability make it a top choice for automotive manufacturers looking for long-lasting performance.
The automotive industry is evolving fast, with a projected CAGR of 6.8% for precision alloys like 4J06 through 2030. The rise of electric vehicles (EVs), autonomous driving systems, and advanced driver-assistance systems (ADAS) is driving demand for materials that can handle extreme temperatures and maintain reliable seals. Glass-to-metal sealing is critical for automotive sensors and electronics, ensuring performance in harsh environments like engine compartments or battery systems. As the industry pushes for lightweight, durable, and efficient components, our 4J06 alloy is a key player in meeting these demands.
| 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 4J06 alloy plate is a versatile solution for a range of automotive and related applications:
Automotive: Ensures durable seals in EV battery sensors, airbag ignitors, and ADAS components.
Electronics: Supports hermetic sealing in automotive circuit packages and connectors.
Aerospace: Provides reliable seals in sensors exposed to extreme thermal cycles.
Sensor Manufacturing: Enhances performance in pressure and temperature sensors for vehicles.
Its low thermal expansion and robust properties make it ideal for applications requiring precision and durability under stress.
Comparison Table: 4J06 Fe-Ni-Cr Alloy Plate vs. Other Sealing Alloys
Parameter | 4J06 Fe-Ni-Cr Alloy Plate | Other Sealing Alloys |
|---|---|---|
Thermal Expansion (CTE) | Matches specific glasses (~5.5 × 10⁻⁶ /K) | Varies, often less compatible |
Temperature Range | -50°C to 500°C | Typically limited to 200–450°C |
Corrosion Resistance | Excellent, resists automotive environments | Moderate, varies by alloy |
Weldability | High, supports strong hermetic seals | Inconsistent, some alloys less reliable |
Machinability | Superior, enables precision fabrication | Moderate, may need specialized tools |
Applications | Automotive, electronics, aerospace | Limited to less demanding uses |
Durability | Exceptional, resists thermal fatigue | Varies, may degrade under extremes |
Customization | Highly customizable (size, form, thickness) | Limited flexibility in customization |
Our 4J06 alloy plate stands out for its quality and performance:
Precision Manufacturing: We meet ASTM F1466 standards, ensuring consistent composition, strength, and thermal properties.
Custom Solutions: Available in tailored sizes, thicknesses (0.3–10mm), and forms to fit your exact specifications.
Top 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 offers technical guidance to optimize your automotive designs.
Compared to other options, our 4J06 alloy combines superior durability, customization, and cost-effectiveness, making it the ideal choice for automotive sealing applications.
Conclusion
Our 4J06 Fe-Ni-Cr alloy plate is the ultimate solution for durable glass sealing in automotive applications. Its precise thermal expansion, durability, and versatility make it a trusted material across automotive, electronics, and aerospace industries. As the demand for reliable, high-performance components grows, our 4J06 alloy delivers, backed by our commitment to quality, customization, and rapid delivery. Choose our 4J06 alloy plate to power your next automotive project with unmatched precision and reliability.
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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 4J06 Fe-Ni-Cr alloy plate used for?
It’s used for durable glass sealing in automotive applications, ensuring reliable seals in sensors and electronic components.Why is 4J06 ideal for glass sealing?
Its thermal expansion coefficient matches specific glasses, preventing cracks during temperature changes in automotive environments.Which industries use 4J06 alloy plates?
Automotive, electronics, aerospace, and sensor manufacturing industries rely on it for precision and durability.How does 4J06 perform in automotive conditions?
It stays stable from -50°C to 500°C, perfect for the harsh thermal cycles in vehicles.What are the key properties of 4J06 alloy?
Low thermal expansion, high corrosion resistance, excellent weldability, and machinability for automotive applications.Can 4J06 be customized for specific needs?
Yes, we offer custom thicknesses, widths, and forms (plate, sheet, strip) to fit your project requirements.What standards does 4J06 meet?
It complies with ASTM F1466 and other industry standards for composition, strength, and thermal properties.How does 4J06 improve component durability?
Its robust sealing and resistance to thermal stress ensure long-lasting performance in automotive systems.
