Product Description
4J28 is a precision nickel alloy wire known for its excellent combination of strength, heat resistance, and low expansion properties. This alloy is often used in applications requiring dimensional stability and high mechanical strength across a wide range of temperatures. It is a versatile material used in industries such as aerospace, electronics, automotive, and chemical processing.
Below is a detailed description of 4J28 (FR-28, Carpenter27, Croloy27, VaCovito25, 26Cr-Fe) precision nickel alloy wire.
| Property |
4J28 (FR-28, Carpenter27, Croloy27, VaCovito25, 26Cr-Fe) |
| Chemical Composition |
Ni: Balance, Cr: 26%, Fe: Balance, C: 0.02% max, Mn: trace |
| Tensile Strength |
High tensile strength, providing excellent structural integrity |
| Corrosion Resistance |
Good corrosion resistance in various environments |
| Heat Resistance |
Excellent resistance to oxidation and high-temperature stability |
| Magnetic Properties |
Low magnetic permeability |
| Electrical Conductivity |
Moderate conductivity |
| Weldability |
Good weldability and formability |
| Common Forms Available |
Wire, rod, strip, sheet |
| Applications |
Aerospace, automotive, chemical processing, electronics, precision instruments |
| Operating Temperature |
Suitable for use in high-temperature applications (up to 650-800°C) |
Key Properties of 4J28 (FR-28, Carpenter27, Croloy27, VaCovito25, 26Cr-Fe):
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Chemical Composition:
- Nickel (Ni): Predominantly the base metal, providing excellent corrosion resistance and heat resistance.
- Chromium (Cr): 26% - Enhances oxidation resistance, particularly at high temperatures.
- Iron (Fe): The balance of the alloy, contributing to its overall mechanical properties and strength.
- Other Elements: Contains minor additions of elements such as manganese and carbon to further enhance its performance in specific conditions.
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High Tensile Strength:
- 4J28 offers excellent mechanical strength, making it suitable for applications that involve high levels of stress or mechanical fatigue. Its high tensile strength ensures reliability in structural applications.
-
Heat Resistance:
- 4J28 provides excellent resistance to oxidation and can withstand high temperatures (up to 650-800°C) without significant degradation of its mechanical properties. This makes it suitable for components exposed to high heat in industrial and aerospace applications.
-
Corrosion Resistance:
- The alloy has good resistance to corrosion, particularly in high-temperature environments. Its chromium content helps prevent oxidation, making it ideal for use in environments where components are exposed to high heat and potentially corrosive substances.
-
Magnetic Properties:
- 4J28 has low magnetic permeability, making it an ideal choice for precision instruments and electronics where minimizing magnetic interference is critical.
-
Weldability and Formability:
- 4J28 is highly weldable and can be processed into fine wires, rods, and other components. Its ease of welding and formability makes it suitable for manufacturing intricate parts in high-performance applications.
Applications of 4J28 (FR-28, Carpenter27, Croloy27, VaCovito25, 26Cr-Fe) Precision Nickel Alloy Wire:
-
Aerospace Industry:
- 4J28 is commonly used in aerospace applications, particularly in components exposed to high temperatures, such as turbine blades, seals, and combustion chambers. Its heat resistance and low expansion properties make it ideal for ensuring dimensional stability under varying temperature conditions.
-
Automotive Industry:
- In the automotive sector, 4J28 is used for engine components, exhaust systems, and turbocharger parts that require excellent high-temperature performance and mechanical strength. Its ability to withstand thermal expansion without distortion ensures reliability in automotive applications.
-
Chemical Processing:
- The alloy is well-suited for use in chemical reactors, heat exchangers, and piping systems, particularly those exposed to aggressive chemicals and high temperatures. Its corrosion resistance ensures longevity and reliable performance in harsh chemical environments.
-
Electronics and Precision Instruments:
- Due to its low magnetic permeability, 4J28 is used in precision instruments and electronics where magnetic interference must be minimized. It is also used in components like electrical connectors, thermocouples, and resistors that require good electrical and thermal conductivity.
-
Medical Equipment:
- 4J28 is used in medical equipment that requires precision, such as in implantable devices and surgical instruments. Its ability to maintain dimensional stability and resist corrosion ensures the longevity and safety of medical applications.
Advantages of 4J28 (FR-28, Carpenter27, Croloy27, VaCovito25, 26Cr-Fe):
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Excellent Heat and Oxidation Resistance:
- The alloy's high chromium content provides excellent resistance to oxidation, making it ideal for use in environments exposed to high temperatures and corrosive gases.
-
Low Expansion Properties:
- 4J28 has a low coefficient of thermal expansion, making it ideal for applications requiring dimensional stability across a range of temperatures, such as in aerospace and electronics.
-
High Tensile Strength:
- Its high mechanical strength ensures reliability and durability in high-stress environments, making it perfect for structural applications.
-
Corrosion Resistance:
- The alloy provides good resistance to various corrosive elements, extending the life and performance of components used in aggressive environments, including chemical processing plants and high-temperature industrial systems.
-
Magnetic and Electrical Properties:
- Its low magnetic permeability makes it a valuable material for sensitive electronic applications, and its moderate electrical conductivity ensures it can be used in electrical components without causing excessive heat buildup.
Conclusion:
4J28 (FR-28, Carpenter27, Croloy27, VaCovito25, 26Cr-Fe) precision nickel alloy wire is a versatile material offering excellent heat resistance, low expansion properties, and high tensile strength. Its combination of mechanical, electrical, and thermal properties makes it ideal for use in industries like aerospace, automotive, chemical processing, and electronics. Whether used in turbine engines, exhaust systems, or precision instruments, 4J28 provides long-lasting durability and reliability in extreme environments.
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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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