Product Description
4J32 is a precision nickel alloy wire, composed of nickel, cobalt, copper, and iron, with exceptional thermal expansion properties. This alloy is widely used in industries requiring high precision and thermal stability, such as electronics, aerospace, and instrumentation. Its primary advantage is its ability to maintain dimensional stability across a range of temperatures, making it suitable for applications that require precise matching of thermal expansion coefficients with other materials like glass or ceramics.
| Property |
4J32 (Ni33Co4Cu, FeNi32Co20) |
| Chemical Composition |
Ni: 33%, Co: 4%, Cu: 1.5%, Fe: Balance |
| Tensile Strength |
High tensile strength for structural applications |
| Thermal Expansion Coefficient |
Controlled expansion suitable for glass sealing |
| Corrosion Resistance |
Good resistance to atmospheric and chemical corrosion |
| Heat Resistance |
Excellent resistance to oxidation and thermal cycling |
| Magnetic Properties |
Low magnetic permeability, minimal magnetic interference |
| Electrical Conductivity |
Moderate electrical conductivity |
| Common Forms Available |
Wire, strip, rod, sheet |
| Applications |
Electronics, aerospace, precision instruments |
| Operating Temperature |
Up to 500°C |
Key Properties of 4J32 (Ni33Co4Cu, FeNi32Co20):
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Chemical Composition:
- Nickel (Ni): 33% - Enhances corrosion resistance and provides structural strength.
- Cobalt (Co): 4% - Improves thermal stability and contributes to precise control over thermal expansion.
- Copper (Cu): 1.5% - Enhances formability and electrical conductivity.
- Iron (Fe): Balance - Provides the base structure and ensures mechanical strength.
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Thermal Expansion Properties:
- 4J32 is engineered to have a controlled and low coefficient of thermal expansion (CTE), making it an excellent choice for sealing glass or ceramics in electronic applications. Its stability ensures that it matches the expansion rate of other materials, preventing thermal stress and failure.
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Corrosion Resistance:
- The alloy exhibits good resistance to corrosion in non-aggressive environments. While it is not suitable for highly acidic or saline conditions, it performs well under normal atmospheric conditions and in less aggressive chemical environments.
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Heat Resistance:
- 4J32 offers excellent resistance to heat and oxidation, maintaining its mechanical properties and stability even when exposed to repeated thermal cycling. This makes it ideal for high-temperature applications.
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Magnetic Properties:
- The alloy has low magnetic permeability, making it suitable for applications where magnetic interference must be minimized, such as precision electronics and sensitive instruments.
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Fabricability:
- 4J32 is easily fabricated and can be processed into various forms, including wire, rod, strip, and sheet. It has good weldability and machinability, enabling complex shapes and applications.
Applications of 4J32 (Ni33Co4Cu, FeNi32Co20) Precision Nickel Alloy Wire:
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Electronics Industry:
- Widely used in the electronics industry for glass-sealing applications, particularly in components such as cathode ray tubes (CRT), light bulbs, and electronic tube bases. Its thermal expansion properties ensure a secure seal and long-term reliability.
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Aerospace Industry:
- In aerospace, 4J32 is used in components that require high strength and stability across varying temperatures, such as sensors, precision instruments, and structural elements in aircraft or spacecraft.
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Precision Instruments:
- The alloy is ideal for precision instruments that require stable mechanical and thermal properties. It is commonly used in devices such as thermocouples, sensors, and gauges, where accuracy and reliability are critical.
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Glass-to-Metal Sealing:
- Its ability to match the thermal expansion of glass makes it suitable for sealing applications in scientific and industrial equipment, ensuring that the seal remains intact despite thermal variations.
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Industrial Applications:
- 4J32 is used in industrial applications requiring thermal stability and corrosion resistance, including components in heating systems, control valves, and chemical processing equipment.
Advantages of 4J32 (Ni33Co4Cu, FeNi32Co20):
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Controlled Thermal Expansion:
- The alloy's precisely controlled thermal expansion coefficient ensures compatibility with glass, ceramics, and other materials with specific expansion properties.
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High Strength and Stability:
- 4J32 maintains its mechanical strength and structural stability under varying temperature conditions, making it reliable for demanding applications.
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Good Corrosion Resistance:
- It resists corrosion in atmospheric and less aggressive chemical environments, ensuring long-lasting performance in most applications.
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Low Magnetic Permeability:
- Its low magnetic permeability minimizes interference in electronic and precision instrument applications.
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Fabrication Versatility:
- The alloy's ease of fabrication allows it to be processed into various forms, meeting the needs of diverse industries.
Conclusion:
4J32 (Ni33Co4Cu, FeNi32Co20) precision nickel alloy wire is a high-performance material designed for applications requiring controlled thermal expansion, high strength, and stability. It is particularly suitable for glass-sealing applications in the electronics and aerospace industries. With excellent heat resistance, good corrosion resistance, and low magnetic permeability, 4J32 is a versatile alloy that ensures reliable performance in demanding environments. Whether used in sensors, precision instruments, or industrial components, 4J32 delivers durability and precision across a wide range of applications.
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Company Profile
Shandong Titanium Nickel Special Steel Co., Ltd., registered funds (one thousand yuan for 10,000 yuan), the company is mainly committed to high -tech enterprises that are integrated with special alloy materials, specializing in the research and sales of special alloys such as nickel -based and iron -based. Products include corrosion-resistant alloys, superalloys, precision alloys, Hastelloy, Monel, INCONEL, INCOLOY, copper-nickel alloys, titanium and titanium alloys, zirconium and zirconium alloys, nickel and nickel-based alloys, nickel-cobalt-based heat-resistant alloys , Hafnium alloy, etc., more than 60 kinds of alloy materials such as special stainless steel. On the basis of stabilizing the quality of the original products, according to the market demand, it solves the quality problems existing in the traditional metallurgical process, and ensures the low miscellaneous and low deflection of the alloy material products, which has won an excellent reputation in the industry.
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FAQ
What is a Precision Alloy Nickel Alloy?
A Precision Alloy Nickel Alloy is a specialized group of nickel-based alloys designed to perform exceptionally well in applications that require high precision and dimensional stability. These alloys are often used in electronics, aerospace, and instrumentation where accuracy, resistance to temperature changes, and mechanical strength are critical.
2. What are the primary features of Precision Alloy Nickel Alloys?
Precision Alloy Nickel Alloys are known for the following key features:
- Low and Stable Thermal Expansion: They have controlled and predictable thermal expansion, making them ideal for use in environments where dimensional stability is essential.
- High Strength: These alloys possess high tensile and yield strength, offering resistance to deformation and failure under stress.
- Magnetic Properties: Many precision nickel alloys offer excellent magnetic permeability, which is crucial in the manufacture of magnetic devices and components.
- Corrosion Resistance: They are resistant to corrosion, oxidation, and wear, ensuring longevity in harsh conditions.
- Weldability: These alloys are typically easy to weld and form into complex shapes without losing their properties.
3. What are common applications of Precision Alloy Nickel Alloys?
Precision Alloy Nickel Alloys are used in:
- Electronics: Connectors, switches, relays, and sensors.
- Aerospace: Components in turbines, engines, and high-precision mechanical parts.
- Automotive: Parts that require resistance to extreme temperatures and mechanical stress.
- Instrumentation: Thermocouples, strain gauges, and precision measuring instruments.
- Magnetic Devices: Transformers, magnetic sensors, and inductors.
4. What are the differences between Precision Alloy Nickel Alloys and other Nickel Alloys?
The main difference lies in the specific application and performance:
- Precision Alloys: Designed specifically for applications requiring high precision, stability, and uniformity in temperature and mechanical stress conditions.
- Standard Nickel Alloys: While nickel alloys generally offer good strength and corrosion resistance, precision alloys are tailored for applications where dimensional accuracy and material properties must remain consistent under extreme conditions.
5. What are some examples of Precision Alloy Nickel Alloys?
Some of the well-known precision alloy nickel alloys include:
- Invar (36% Nickel): Known for its low thermal expansion, used in precision instruments.
- Kovar (29% Nickel): A nickel-iron alloy used in electronic and sealing applications.
- 1J06 (1J6): A precision alloy with excellent thermal stability and low thermal expansion used in electronics and precision instruments.
6. What industries use Precision Alloy Nickel Alloys?
Industries that commonly use precision alloy nickel alloys include:
- Electronics and Telecommunications: For components that need stability and durability under varying temperatures and electrical loads.
- Aerospace and Defense: For parts exposed to extreme temperature changes, mechanical stress, and corrosion.
- Automotive: Especially in high-performance vehicles and systems like sensors and exhaust components.
- Medical Equipment: In instruments and devices that require high precision and long-term reliability.
7. What is the significance of low thermal expansion in Precision Alloy Nickel Alloys?
Low thermal expansion means that the material's dimensions remain stable even when exposed to temperature changes. This is crucial in high-precision applications such as measuring instruments, optical devices, and aerospace components, where even minute dimensional changes can lead to performance degradation.
8. How is Precision Alloy Nickel Alloy different from other types of alloys in terms of strength and durability?
Precision alloys, particularly those made from nickel, tend to have high tensile strength and excellent resistance to deformation under mechanical stress. These alloys are engineered to maintain their shape and structural integrity over a wider range of temperatures and environmental conditions, compared to other materials like carbon steel or standard stainless steel.
9. Are Precision Alloy Nickel Alloys magnetic?
Yes, many precision alloy nickel alloys, such as Kovar (29% Nickel), are designed to maintain stable magnetic properties. This makes them ideal for applications in transformers, magnetic sensors, and electronic devices that require controlled magnetic permeability.
10. How are Precision Alloy Nickel Alloys manufactured?
These alloys are typically produced using advanced metallurgical processes such as:
- Vacuum Induction Melting (VIM) or Vacuum Arc Remelting (VAR) for refining material purity.
- Casting and Hot or Cold Rolling to form sheets, strips, or wires.
- Precision machining techniques to create intricate components with tight tolerances.
- Heat Treatment to enhance mechanical properties such as strength, toughness, and dimensional stability.
11. Can Precision Alloy Nickel Alloys be welded and processed easily?
Yes, most precision alloy nickel alloys have good weldability and can be processed into complex shapes, making them suitable for high-precision manufacturing. However, the exact processing techniques may vary depending on the alloy composition and specific application requirements.
12. What is the price range for Precision Alloy Nickel Alloys?
The price of precision alloy nickel alloys can vary depending on the alloy grade, size, and supplier. Generally, they are more expensive than standard nickel alloys due to their specific formulation and high-performance properties. Prices typically range from $20 to $100 per kilogram or more, depending on the material's purity and market conditions.
13. How do I choose the right Precision Alloy Nickel Alloy for my application?
When selecting a precision alloy, consider the following factors:
- Thermal expansion requirements (low expansion or stable behavior under temperature fluctuations).
- Mechanical strength needed for your application (tensile strength, hardness, elongation).
- Magnetic properties (whether your application involves magnetic fields).
- Corrosion resistance for exposure to harsh environments.
- Workability (whether the alloy needs to be welded, machined, or formed).
14. What are the typical sizes and forms available for Precision Alloy Nickel Alloys?
Precision alloy nickel alloys are available in various forms, including:
- Sheets and plates for use in manufacturing and construction.
- Wire and strips for electronics and fine machinery.
- Rods and bars for precision machining.
- Foils for use in thin applications such as sensors or coatings.
15. How can I contact you for more information?
You can contact us through the following methods:
Online support: Visit our website for live chat
Address:
300 Meters North of Liaoniu Road and Xindong Ring Road, Liaocheng High-Tech Zone, Liaocheng, Shandong, China
We look forward to providing you with high-quality products and services!
If you have any other questions, feel free to contact us, and we will do our best to assist you!
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