GH4202 (also referred to as GH202) is a nickel-based superalloy engineered for use in high-temperature environments. This alloy is recognized for its excellent mechanical properties at elevated temperatures, as well as its outstanding resistance to oxidation and corrosion. It is widely used in industries such as aerospace, power generation, and chemical processing, where materials are exposed to extreme heat and stress. Available in coil, strip, and foil forms, GH4202 provides versatility for various manufacturing applications requiring high-performance materials.
Key Properties:
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Chemical Composition:
- Nickel (Ni): Approximately 70%, forming the base of the alloy and contributing to its high-temperature resistance and mechanical strength.
- Chromium (Cr): 20-22%, which enhances the alloy's ability to resist oxidation and corrosion, especially in high-temperature, high-oxygen environments.
- Iron (Fe): Small amounts, providing structural integrity to the alloy.
- Molybdenum (Mo): ~3%, adding to the alloy's resistance to pitting and crevice corrosion.
- Titanium (Ti): ~0.5-1.5%, strengthening the alloy and contributing to its high-temperature stability.
- Aluminum (Al): ~1%, improving oxidation resistance.
- Cobalt (Co): Small amounts, further enhancing strength and high-temperature stability.
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Mechanical Properties:
- High-Temperature Strength: GH4202 maintains its strength at temperatures up to 1,000°C (1,832°F), making it suitable for demanding high-temperature environments.
- Fatigue and Creep Resistance: The alloy shows excellent resistance to creep (deformation under prolonged stress at high temperatures) and thermal fatigue.
- Corrosion Resistance: GH4202 exhibits robust resistance to oxidation and corrosion, especially in high-temperature gas environments, making it ideal for parts exposed to such conditions.
- Weldability: The alloy is weldable, allowing it to be fabricated into complex shapes and components.
- Thermal Stability: GH4202 retains its strength, hardness, and structural integrity at elevated temperatures, making it suitable for components that operate in continuous high-heat environments.
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Performance Characteristics:
- Oxidation Resistance: GH4202 has an excellent ability to resist oxidation, especially in environments with high levels of oxygen, which is essential for applications in turbines and exhaust systems.
- Long-Term Durability: The alloy is designed to withstand prolonged exposure to high temperatures without degradation of its mechanical properties.
- High-Temperature Fatigue: GH4202 demonstrates superior performance under cyclic loading at elevated temperatures, preventing early failure due to fatigue.
- Resistance to Sulfide Stress Cracking: The alloy offers resistance to cracking in environments containing sulfur, making it suitable for use in applications where sulfur is present in the working environment.
Applications:
- Aerospace: Used in turbine engines, combustion chambers, and other components that operate at high temperatures. Its resistance to thermal degradation makes it ideal for jet engine parts, particularly in gas turbine blades and nozzles.
- Gas Turbines: GH4202 is ideal for critical components in gas turbines, where high temperature and fatigue resistance are required.
- Power Generation: Applied in power plants, particularly for turbine blades, seals, and other high-temperature components.
- Chemical Processing: Used in reactors, heat exchangers, and furnace parts, where the alloy's high-temperature stability and resistance to corrosive atmospheres are critical.
- Marine Applications: Suitable for components exposed to high temperatures and harsh marine environments, such as exhaust systems and heat exchangers.
Forms Available:
- Coil: GH4202 is available in coil form for continuous processing, offering flexibility for large-scale fabrication and manufacturing.
- Strip: Available as narrow strips for precision components, suitable for parts requiring thin, uniform dimensions.
- Foil: Extremely thin versions of GH4202 are available in foil form for applications such as thermal shielding, heat exchangers, and precision electronics.
Advantages of GH4202:
- High-Temperature Strength: The alloy retains its strength and stability under extreme thermal conditions, ensuring long-lasting performance in critical applications.
- Corrosion and Oxidation Resistance: GH4202 excels in resisting oxidation and corrosion, particularly in high-oxygen environments, enhancing its durability and service life.
- Fatigue and Creep Resistance: It resists fatigue and deformation at elevated temperatures, providing reliability in long-term applications.
- Weldability and Fabricability: The alloy is easily fabricated into various shapes and components, making it versatile for different manufacturing processes.
- Longevity and Durability: The combination of high-temperature resistance, oxidation resistance, and mechanical stability ensures that GH4202 offers long-term reliability in harsh environments.
Specifications:
- Thickness: Available in a wide range of thicknesses, from thin foils (less than 0.1mm) to thicker strips and coils.
- Width: Customizable widths depending on specific needs and applications.
- Standards: Manufactured according to international standards, such as ASTM B167 or AMS 5598, ensuring consistent quality and performance.
Conclusion:
GH4202 (GH202) is a nickel-based superalloy designed to perform in high-temperature, high-stress environments. With its excellent strength, resistance to oxidation, and long-term durability, it is suitable for use in critical components in industries such as aerospace, gas turbines, power generation, and chemical processing. Available in coil, strip, and foil forms, GH4202 is a versatile material that can be fabricated to meet the demands of a wide range of applications.
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.
Product Description
Superalloy steel strips and plates are specially designed materials used in environments where high heat and stress are present. These alloys are made by adding elements like chromium, nickel, and molybdenum to steel, which help improve their strength, resistance to oxidation, and durability at high temperatures.High-temperature alloy steels are made to be strong, durable, and resistant to damage in extreme conditions, making them essential for many high-performance industries.
| Item |
Description |
| Material Type |
superalloy |
| Main Composition |
Primarily iron, with alloying elements like chromium (Cr), nickel (Ni), cobalt (Co), molybdenum (Mo), etc. |
| Temperature Resistance |
Designed to withstand high temperatures, typically up to 650°C-1000°C (varies depending on alloy composition). |
| Properties |
High strength, oxidation and corrosion resistance, and thermal stability under elevated temperatures. |
| Common Forms |
Strips, plates, sheets, foils. |
| Applications |
Turbines, jet engines, heat exchangers, industrial furnaces, power plants, and other high-temperature environments. |
| Fabrication Techniques |
Can be cold-rolled, hot-rolled, or heat-treated for different forms and applications. |
| Thickness Range (Strips) |
0.1 mm to 3 mm (typically). |
| Thickness Range (Plates) |
3 mm to 100 mm or more (depending on the grade and specifications). |
| Heat Treatment |
Solution treatment, aging, or quenching to enhance properties like strength and resistance. |
| Corrosion Resistance |
Enhanced corrosion resistance, especially in high-temperature environments. |
| Common Grades |
Hastelloy, Inconel, Incoloy, etc. (specific alloys depend on the application and temperature requirement). |
superalloy are materials designed to maintain their strength, stability, and resistance to oxidation and corrosion when exposed to high temperatures, typically above 500°C (932°F). These alloys are essential in environments where metals are subjected to extreme heat, such as in turbines, jet engines, power plants, and chemical processing industries.
The key characteristics of high-temperature alloys include:
- High Strength: They retain their mechanical strength even at elevated temperatures.
- Oxidation Resistance: They resist oxidation and scaling in hot air or gases.
- Creep Resistance: These alloys resist deformation (creep) under long-term exposure to stress at high temperatures.
Common types of high-temperature alloys include nickel-based alloys (e.g., Inconel), cobalt-based alloys (e.g., Stellite), and iron-based alloys (e.g., AISI 310). These alloys are used in critical applications like turbine blades, aerospace components, and industrial reactors, where performance under extreme conditions is crucial.
High-Temperature Alloys are materials designed to maintain their strength, stability, and resistance to oxidation and corrosion when exposed to high temperatures, typically above 500°C (932°F). These alloys are essential in environments where metals are subjected to extreme heat, such as in turbines, jet engines, power plants, and chemical processing industries.
The key characteristics of high-temperature alloys include:
- High Strength: They retain their mechanical strength even at elevated temperatures.
- Oxidation Resistance: They resist oxidation and scaling in hot air or gases.
- Creep Resistance: These alloys resist deformation (creep) under long-term exposure to stress at high temperatures.
Common types of high-temperature alloys include nickel-based alloys (e.g., Inconel), cobalt-based alloys (e.g., Stellite), and iron-based alloys (e.g., AISI 310). These alloys are used in critical applications like turbine blades, aerospace components, and industrial reactors, where performance under extreme conditions is crucial
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FAQ
1. What are high-temperature alloys?
High-temperature alloys are materials designed to maintain excellent mechanical properties, oxidation resistance, corrosion resistance, and structural stability under high-temperature conditions. These alloys are commonly used in industries like aerospace, energy, chemical, and automotive, especially in environments with extreme conditions.
2. What are the main uses of high-temperature alloys?
High-temperature alloys are primarily used in the following applications:
- Aerospace and Aviation: Turbine blades, jet engine components, and gas turbines.
- Energy Industry: Gas turbines, heat exchangers, steam turbines.
- Automotive Industry: Turbochargers, exhaust systems, engine components.
- Chemical Industry: Corrosion-resistant equipment such as reactors, boilers, etc.
3. What are the main types of high-temperature alloys?
Common types of high-temperature alloys include:
- Nickel-based alloys: For example, Inconel and Hastelloy, widely used in high-temperature environments.
- Cobalt-based alloys: Such as Stellite alloys, typically used in applications that require extreme heat and corrosion resistance.
- Iron-based alloys: Such as heat-resistant steels, used in environments with slightly lower temperature requirements.
4. Why are high-temperature alloys expensive?
High-temperature alloys are typically more expensive due to several reasons:
- Raw material costs: Many high-temperature alloys contain expensive metals like nickel, cobalt, and molybdenum.
- Manufacturing processes: The production of high-temperature alloys requires specialized smelting, heat treatment, and processing techniques, which drive up production costs.
- Heat resistance requirements: The alloys must possess excellent heat resistance, corrosion resistance, and oxidation resistance, which involves higher technical demands.
5. How do I choose the right high-temperature alloy for my needs?
When selecting a high-temperature alloy, consider the following factors:
- Application environment: Factors like working temperature, exposure to corrosive substances, high pressure, or shock loads.
- Mechanical performance requirements: Different alloys have varying strengths, hardness, fatigue resistance, and more, so choose the alloy based on your specific needs.
- Cost considerations: Choose the most suitable alloy based on your budget, as high-temperature alloys can vary significantly in price.
6. Can I purchase small quantities of high-temperature alloys?
Yes, we offer small-batch customization services to meet your specific needs. Many high-temperature alloy suppliers can produce small quantities and offer different shapes and sizes of products.
7. What is the typical delivery time for high-temperature alloys?
The delivery time depends on several factors, including:
- Order volume: Large orders may take longer to produce.
- Material types and specifications: Some specific high-temperature alloys may require longer production and processing times.
- Supply chain conditions: Raw material availability and processing times can also affect delivery. Generally, delivery time ranges from a few weeks to a few months.
8. How can I ensure that the high-temperature alloys I purchase meet quality standards?
We recommend that you:
- Choose reputable suppliers who comply with international standards (e.g., ASTM, ISO).
- Request detailed material certificates and quality inspection reports, such as chemical composition analysis, mechanical property tests, etc.
- Confirm the heat treatment and processing methods with the supplier to ensure the alloy meets your specific requirements.
9. Can high-temperature alloys be further processed or customized?
Yes, many high-temperature alloys can be further processed or customized, including cutting, welding, heat treatment, etc. We offer corresponding processing services, and we can produce customized sizes and shapes based on your requirements.
10. What after-sales services are provided for high-temperature alloys?
We offer comprehensive after-sales services, including:
- Technical support: We provide consulting on material selection, processing, installation, and usage.
- Quality assurance: We guarantee that the high-temperature alloys meet the specifications and offer quality assurance on the products.
- Regular inspections and feedback: For long-term customers, we offer regular quality inspections and performance feedback to ensure the reliability of the alloys in real-world applications.
11. Do high-temperature alloys have recycling value?
Yes, many high-temperature alloys, especially nickel-based and cobalt-based alloys, have high recycling value. Under certain conditions, these alloys can be recycled, especially in high-value components in industries like aerospace and energy.
12. How do I place an order for high-temperature alloys?
You can place an order through the following methods:
- Directly contact the sales team with your requirements and specifications.
- Order online (if the supplier offers an online platform).
- Submit an RFQ (Request for Quotation) to receive detailed pricing and delivery information.
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