Expansion Alloys

Expansion-Alloys

4J50 Nickel Alloy Plate for Dimensional Stability in Temperature-Sensitive Systems

4J50 Nickel Alloy Plate for Dimensional Stability in Temperature-Sensitive Systems

Brand Name:DLX   Place of Origin:China Jiangsu    Delivery Time:7-15 Days
Certification:CE,ROHS   Supply Ability:500 tons per month
Payment Terms:L/C,T/T,Western Union,MoneyGram

Classification:

Product Introduction

Our 4J50 Nickel alloy plate is a game-changer for temperature-sensitive systems, delivering unmatched dimensional stability. Crafted with a precise blend of approximately 50% nickel and iron, this alloy boasts a low thermal expansion coefficient that aligns perfectly with specific ceramics and glasses. This makes it ideal for creating reliable, distortion-free seals in precision components like sensors, connectors, and electronic modules. Stable across a wide temperature range of -70°C to 500°C, our 4J50 alloy offers excellent corrosion resistance, weldability, and machinability, ensuring top performance in demanding applications. Whether you’re working on cutting-edge electronics or aerospace systems, our 4J50 plate is built to deliver precision and reliability every time.

The alloy’s ability to maintain dimensional integrity under thermal stress is a key advantage, preventing cracks or failures in critical components. Its versatility allows it to be used in a variety of forms, from thin sheets for microelectronics to thicker plates for robust aerospace applications. We design our 4J50 alloy to meet the exacting needs of modern manufacturing, providing a material that’s both high-performing and adaptable to your project’s unique requirements.

The precision alloy market is thriving, with a projected CAGR of 7.2% through 2030, driven by rapid advancements in electronics, aerospace, automotive, and telecommunications. The rise of 5G networks, Internet of Things (IoT) devices, electric vehicles (EVs), and smart manufacturing is fueling demand for materials that can maintain dimensional stability in temperature-sensitive environments. Components like sensors, connectors, and precision instruments are increasingly deployed in extreme conditions, requiring alloys that can withstand thermal cycling without compromising performance.

The push for miniaturization in electronics and the growing complexity of semiconductor designs are also driving the need for alloys like 4J50. These applications demand materials that offer tight tolerances and reliable sealing to ensure long-term functionality. Additionally, industries are prioritizing sustainability and efficiency, seeking materials that reduce waste and streamline production. Our 4J50 alloy meets these needs with its excellent machinability and customizable forms, making it a cost-effective choice for high-volume manufacturing. As global industries continue to innovate, the demand for precision alloys like 4J50 is set to grow, particularly in applications requiring hermetic sealing and thermal stability.

The automotive sector, especially the EV market, is a key driver of growth. With EVs expected to account for a significant share of global vehicle sales by 2030, the need for reliable sensors and connectors is skyrocketing. Similarly, aerospace applications are expanding with the rise of satellite technology and unmanned aerial systems, all of which rely on precision components. Our 4J50 alloy is well-positioned to meet these demands, offering a reliable solution for manufacturers aiming to stay competitive in a fast-evolving market.

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Elements
4J294J36
Carbon (C)Not greater than0.030.05
Sulfur (S)0.020.02
Phosphorus (P)0.020.02
Manganese (Mn)
≤0.500.20-0.60
Silicon (Si)
≤0.30≤0.30
Nickel (Ni)
28.5-29.535.0-37.0
Chromium (Cr)
--
Cobalt (Co)
16.8-17.8-
Iron (Fe)
RestRest
Other Elements


Alloy Grade20°C-100°C20°C-300°C20°C-500°C
4J36 Invar Alloy1.2×10⁻⁶ /°C2.5×10⁻⁶ /°C-
4J29 Kovar Alloy4.6×10⁻⁶ /°C5.5×10⁻⁶ /°C6.2×10⁻⁶ /°C
Alloy Grade4J36 Invar Alloy4J29 Kovar Alloy
Density (g/cm³)8.18.2
Tensile Strength (MPa)500-600600-700
Yield Strength (MPa)250-350300-400
Hardness (HV)150-200200-250
Alloy Grade4J36 Invar Alloy4J29 Kovar Alloy
Electrical Resistivity (10⁻⁶ Ω·cm)8050
Thermal Conductivity (W/m·K)10-1216-18

For more details, pls directly contact us.

Our 4J50 alloy plate is a versatile material that excels in a wide range of temperature-sensitive applications:

  • Electronics: Ensures stable, hermetic seals in microelectronic packages, connectors, and circuit boards, critical for compact, high-performance devices.

  • Aerospace: Supports precision components like sensors and avionics in satellites and aircraft, maintaining stability under extreme thermal conditions.

  • Automotive: Powers reliable seals in EV battery sensors, control units, and advanced driver-assistance systems (ADAS).

  • Telecommunications: Enhances performance in microwave components, optical systems, and 5G infrastructure requiring dimensional stability.

  • Medical Devices: Used in precision instruments like diagnostic sensors and implants, where thermal stability is essential for reliability.

The low thermal expansion of 4J50 makes it perfect for glass-to-metal and ceramic-to-metal sealing, ensuring airtight connections that withstand thermal cycling. Its corrosion resistance protects components in harsh environments, such as automotive systems exposed to moisture or aerospace equipment facing high-altitude conditions. The alloy’s machinability allows for intricate designs, making it a favorite for manufacturers crafting precision instruments with tight tolerances. From small-scale electronics to large aerospace systems, our 4J50 alloy plate delivers consistent performance across industries.

Why Choose Our 4J50 Nickel Alloy Plate?

Our 4J50 Nickel alloy plate stands out for its exceptional quality and performance:

  • Precision Manufacturing: We adhere to ASTM F1466 standards, ensuring consistent chemical composition, tensile strength, and thermal expansion properties. Every batch is rigorously tested to meet the highest industry benchmarks.

  • Custom Solutions: We offer tailored sizes, thicknesses (0.2–10mm), and forms (plate, sheet, strip) to match your exact specifications, whether for prototypes or large-scale production.

  • Superior Quality: Our alloy undergoes extensive testing for surface finish, grain size, and inclusion content, guaranteeing flawless performance in precision applications.

  • Fast Delivery: With flexible minimum order quantities starting at 100kg and readily available stock, we ensure quick turnaround times to keep your projects on track.

  • Expert Support: Our in-house R&D team provides technical guidance to optimize your designs, from material selection to fabrication techniques, ensuring you get the most out of our 4J50 alloy.

Compared to other options, our 4J50 alloy plate offers a unique combination of dimensional stability, durability, and cost-efficiency. Its ability to maintain tight tolerances in extreme temperatures makes it a top choice for manufacturers seeking reliable performance. Our commitment to customization ensures you get exactly what you need, without compromise. Plus, our streamlined production and supply chain deliver high-quality materials quickly, giving you a competitive edge in your industry.

Comparison Table: 4J50 Nickel Alloy Plate vs. Other Precision Alloys

Parameter

4J50 Nickel Alloy Plate

Other Precision Alloys

Thermal Expansion (CTE)

Matches ceramics/glass (~5.1 × 10⁻⁶ /K)

Varies, often less precise match

Temperature Range

-70°C to 500°C

Typically limited to 200–450°C

Corrosion Resistance

Excellent, resists harsh environments

Moderate, depends on alloy composition

Weldability

High, supports robust hermetic seals

Inconsistent, some alloys less reliable

Machinability

Superior, enables precision fabrication

Moderate, may require specialized tools

Applications

Electronics, aerospace, medical devices

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

The 4J50 alloy’s low thermal expansion coefficient (~5.1 × 10⁻⁶ /K) is a standout feature, enabling it to maintain dimensional stability when paired with ceramics or glasses. This is critical for applications like hermetic sealing, where even slight mismatches can lead to cracks or failures. The alloy’s high corrosion resistance ensures longevity in challenging environments, such as automotive systems exposed to chemicals or aerospace components in high-altitude conditions. Its weldability supports strong, reliable seals, while its machinability allows for complex designs without sacrificing strength.

Our 4J50 alloy is highly adaptable, available in a range of thicknesses and forms to suit diverse applications. Whether you need thin sheets for microelectronics or thicker plates for robust aerospace components, we can deliver the exact specifications you require. This flexibility, combined with our rigorous quality control, ensures that every piece of 4J50 alloy meets the demanding requirements of modern manufacturing. The alloy’s ability to resist thermal fatigue further enhances its suitability for long-term use in temperature-sensitive systems.

Market Positioning and Future Outlook

As the demand for precision components continues to grow, our 4J50 alloy is well-positioned to meet the needs of industries pushing the boundaries of technology. The rapid adoption of 5G, IoT, and EV technologies is driving the need for materials that deliver both performance and reliability. Our 4J50 alloy is a critical component in this landscape, offering manufacturers a material that supports innovation while maintaining cost-effectiveness.

Looking ahead, the focus on sustainability and efficiency will further elevate the importance of precision alloys. Our 4J50 alloy, with its durable properties and ability to reduce production waste, aligns with these industry trends. We are committed to staying at the forefront of innovation, continuously refining our manufacturing processes to deliver materials that meet the evolving needs of our customers. The growing complexity of modern systems, from autonomous vehicles to advanced telecommunications, ensures that alloys like 4J50 will remain in high demand.

Conclusion

Our 4J50 Nickel alloy plate is the ultimate solution for dimensional stability in temperature-sensitive systems. Its low thermal expansion, exceptional durability, and versatility make it a trusted material for electronics, aerospace, automotive, and medical applications. As industries demand more precise, reliable, and efficient components, our 4J50 alloy delivers, backed by our commitment to quality, customization, and rapid delivery. Choose our 4J50 Nickel alloy plate to power your next project with unmatched precision and performance.

For more details, pls directly contact us.

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

  1. What is 4J50 Nickel alloy plate used for?
    It’s used for dimensional stability in temperature-sensitive systems, ensuring reliable performance in sensors, connectors, and precision components.

  2. Why is 4J50 ideal for temperature-sensitive applications?
    Its low thermal expansion coefficient matches specific ceramics and glasses, preventing distortion during temperature fluctuations.

  3. Which industries use 4J50 alloy plates?
    Electronics, aerospace, automotive, telecommunications, and medical device industries rely on it for precision and stability.

  4. How does 4J50 perform in extreme temperatures?
    It remains stable from -70°C to 500°C, perfect for demanding environments.

  5. What are the key properties of 4J50 alloy?
    Low thermal expansion, high corrosion resistance, excellent weldability, and superior machinability for precision applications.

  6. Can 4J50 be customized for specific projects?
    Yes, we offer custom thicknesses, widths, and forms (plate, sheet, strip) to meet your project requirements.

  7. What standards does 4J50 meet?
    It complies with ASTM F1466 and other industry standards for composition, strength, and thermal properties.

  8. How does 4J50 enhance system reliability?
    Its dimensional stability and resistance to thermal stress ensure long-lasting performance in critical components.


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