Product Description
4J33 is a precision nickel-iron-cobalt alloy wire designed for applications requiring controlled thermal expansion and exceptional stability. This alloy is particularly well-suited for glass-to-metal sealing applications, where a precise match of the thermal expansion coefficient is essential. Its balance of nickel, cobalt, and iron provides strength, thermal stability, and good corrosion resistance.
| Property |
4J33 (Ni33Co14, Co257, 38НК) |
| Chemical Composition |
Ni: 33%, Co: 14%, Fe: Balance |
| Tensile Strength |
High tensile strength for durability |
| Thermal Expansion Coefficient |
Matches glass and ceramics for sealing |
| Corrosion Resistance |
Good resistance to oxidation and corrosion |
| Magnetic Properties |
Low magnetic permeability, ideal for precision applications |
| Heat Resistance |
Excellent resistance to thermal cycling |
| Common Forms Available |
Wire, strip, rod, sheet |
| Applications |
Electronics, aerospace, industrial equipment |
| Operating Temperature |
Up to 500°C |
Key Properties of 4J33 (Ni33Co14, Co257, 38НК):
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Chemical Composition:
- Nickel (Ni): 33% - Provides strength, corrosion resistance, and stability.
- Cobalt (Co): 14% - Enhances thermal stability and precise control of thermal expansion properties.
- Iron (Fe): Balance - Ensures structural integrity and strength.
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Thermal Expansion Control:
- The alloy is engineered to have a low and controlled coefficient of thermal expansion (CTE), making it ideal for sealing applications where it needs to match the expansion characteristics of glass or ceramics.
-
Corrosion Resistance:
- 4J33 has good resistance to oxidation and general corrosion, especially in atmospheric environments. This makes it suitable for long-term use in demanding applications.
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Heat Resistance:
- The alloy maintains its properties during thermal cycling and high-temperature exposure, ensuring reliable performance in applications that involve repeated heating and cooling.
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Magnetic Properties:
- The alloy features low magnetic permeability, minimizing interference in sensitive electronic or precision instruments.
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Fabricability:
- 4J33 can be easily processed into various forms such as wire, strips, and rods, making it highly versatile for a wide range of industrial applications.
Applications of 4J33 (Ni33Co14, Co257, 38НК) Precision Nickel Alloy Wire:
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Electronics Industry:
- Widely used in electronics for components that require glass-to-metal seals, such as in light bulbs, vacuum tubes, and cathode ray tubes (CRTs). Its thermal expansion properties ensure a secure, long-lasting seal.
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Aerospace Applications:
- 4J33 is used in aerospace components, including sensors, precision instruments, and structural elements that need to withstand thermal fluctuations and maintain dimensional stability.
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Industrial Equipment:
- In industrial environments, the alloy is utilized for components exposed to high temperatures and corrosive conditions, such as heat exchangers, connectors, and control equipment.
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Glass-to-Metal Sealing:
- Its controlled thermal expansion makes it ideal for sealing with glass or ceramics, ensuring a reliable bond that remains intact across a wide temperature range.
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Precision Instruments:
- The alloy is used in high-precision instruments requiring stability and resistance to magnetic interference, such as thermometers, sensors, and scientific measuring devices.
Advantages of 4J33 (Ni33Co14, Co257, 38НК):
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Thermal Expansion Matching:
- Its precisely controlled CTE ensures compatibility with glass and ceramics, reducing the risk of thermal stress or seal failure.
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High Strength and Durability:
- 4J33 has excellent mechanical strength, making it suitable for applications where durability and long service life are critical.
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Corrosion and Oxidation Resistance:
- The alloy performs well in atmospheric and high-temperature environments, resisting oxidation and corrosion over time.
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Low Magnetic Permeability:
- Its low magnetic properties make it suitable for use in sensitive electronic and instrumentation applications, where magnetic interference must be minimized.
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Fabrication Flexibility:
- The alloy is easy to form, weld, and process into various shapes, meeting the requirements of diverse industries.
Conclusion:
4J33 (Ni33Co14, Co257, 38НК) precision nickel alloy wire is an excellent material for high-performance applications requiring controlled thermal expansion, corrosion resistance, and stability. Its ability to create secure glass-to-metal seals and withstand thermal cycling makes it indispensable in electronics, aerospace, and industrial applications. With its high strength, good corrosion resistance, and low magnetic properties, 4J33 offers durability and reliability for precision instruments and components operating under challenging conditions.
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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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