GH2302 (also known as K232), GH302, JF-43, and K32 are high-performance nickel-based superalloys specifically engineered for high-temperature applications. These alloys are widely used in industries that demand excellent thermal stability, creep resistance, oxidation resistance, and mechanical strength under extreme conditions. Common applications include aerospace, gas turbines, power generation, and chemical processing.
These alloys are available in forms such as foil, strip, and coil, which are ideal for precise manufacturing processes and applications requiring high durability and thermal resistance.
Key Properties:
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Chemical Composition:
- Nickel (Ni): The primary element in all these alloys, providing excellent resistance to high-temperature oxidation, creep, and fatigue.
- Chromium (Cr): Offers oxidation resistance and corrosion resistance in aggressive environments, commonly ranging from 10-30% depending on the alloy.
- Iron (Fe): Contributes to overall strength and structure.
- Molybdenum (Mo): Improves creep resistance and enhances the mechanical properties of the alloy at high temperatures.
- Titanium (Ti): Stabilizes the alloy and forms stable oxide layers that protect against oxidation.
- Aluminum (Al): Adds to the oxidation resistance, particularly in high-oxygen environments at elevated temperatures.
- Cobalt (Co): Strengthens the alloy and contributes to wear resistance in certain grades like JF-43 and GH2302.
- Vanadium (V): Improves creep resistance and overall thermal stability at high temperatures.
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Mechanical Properties:
- High-Temperature Strength: These alloys maintain their mechanical strength at temperatures up to 1000°C or more, making them ideal for use in gas turbines, jet engines, and boilers.
- Creep Resistance: All these alloys exhibit excellent creep resistance, meaning they can withstand long-term stress without significant deformation at high temperatures.
- Oxidation and Corrosion Resistance: These alloys resist oxidation and corrosion in harsh environments such as high-oxygen atmospheres and sulfuric environments.
- Fatigue Resistance: Excellent fatigue resistance ensures reliability in parts subject to cyclical thermal and mechanical stresses.
- Thermal Stability: High thermal stability allows these materials to maintain their properties in high-temperature applications.
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Performance Characteristics:
- High-Temperature Strength: These alloys offer exceptional thermal strength and are suitable for applications that operate in temperatures above 650°C-1000°C.
- Creep Resistance: The alloys show minimal deformation under long-term stress at elevated temperatures, ideal for aerospace and power generation components.
- Oxidation Resistance: The alloys provide strong oxidation resistance in hot, high-oxygen environments, making them suitable for turbine engines, exhaust systems, and gas turbines.
- Corrosion Resistance: These alloys offer superior resistance to corrosive elements like sulfur, hydrogen, and other reactive compounds in extreme industrial environments.
- Thermal Cycling Resistance: They can withstand frequent thermal cycling, making them ideal for components exposed to temperature variations like turbine blades.
Applications:
- Aerospace: GH2302 (K232), GH302, JF-43, and K32 are used in jet engines, turbine blades, exhaust systems, and engine casings where high-temperature strength and oxidation resistance are critical.
- Gas Turbines: These alloys are commonly used in gas turbine components like blades, discs, and shafts, which are exposed to high heat and mechanical stresses.
- Power Generation: Suitable for use in power plant turbines, boiler tubes, and heat exchangers, these alloys can withstand high operational temperatures and mechanical loading.
- Chemical Processing: In chemical reactors, furnaces, and heat exchangers, these alloys resist oxidation and corrosion in chemically aggressive environments at high temperatures.
- Marine: Used in marine turbine engines, exhaust systems, and heat exchangers where resistance to corrosion and oxidation in a high-temperature, high-stress environment is essential.
Forms Available:
- Foil: Ultra-thin forms for high-precision applications, such as thermal shielding, electrical insulation, and high-temperature resistant coatings.
- Strip: Commonly used in the manufacture of precision parts, especially for high-stress applications such as turbine blades and engine components.
- Coil: Available in continuous coil form for high-volume manufacturing, where uniform thickness and precise tolerances are required.
Advantages of GH2302 (K232), GH302, JF-43, and K32:
- High-Temperature Strength: These alloys maintain mechanical strength at temperatures up to 1000°C or higher, ensuring reliability in extreme conditions.
- Creep Resistance: Excellent creep resistance ensures minimal deformation and longer service life for critical components such as turbine blades.
- Oxidation and Corrosion Resistance: They provide superior resistance to oxidation, making them suitable for components exposed to hot gases, sulfur compounds, and corrosive environments.
- Thermal Stability: These alloys offer outstanding thermal stability, ensuring components maintain their integrity and performance even in fluctuating thermal conditions.
- Fatigue Resistance: These alloys have strong fatigue resistance, ensuring that components exposed to cyclic stresses perform reliably over time.
Specifications:
- Thickness: Available in a range of thicknesses from ultra-thin foils to thicker strips and coils.
- Width: Customizable widths to suit specific application needs.
- Standards: Manufactured according to international standards such as ASTM B637, AMS 5663, and UNS N07263 for consistent quality and performance.
Conclusion:
GH2302 (K232), GH302, JF-43, and K32 are high-performance nickel-based superalloys designed to provide exceptional strength, creep resistance, oxidation resistance, and thermal stability in extreme high-temperature environments. These alloys are ideal for demanding applications in industries like aerospace, gas turbines, power generation, and chemical processing, ensuring reliable performance even under the most challenging conditions.
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high-temperature alloys Gh2302 K232 Gh302 Jf-43 K32 Nickel alloy Foil/strip/coil
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High-Temperature Alloys: GH2302 (K232), GH302, JF-43, K32 Nickel Alloy Foil/Strip/Coil
Overview:
The high-temperature alloys GH2302 (K232), GH302, JF-43, and K32 are advanced nickel-based superalloys designed for use in extreme heat and highly demanding environments. These alloys are primarily utilized in industries where oxidation resistance, creep resistance, and thermal stability are crucial, such as in aerospace, gas turbines, and power generation. These materials are available in various forms, including foil, strip, and coil, to meet the specific needs of high-performance applications.
Key Properties:
-
Chemical Composition:
- Nickel (Ni): The base element for superior heat resistance, oxidation resistance, and creep resistance.
- Chromium (Cr): Enhances oxidation resistance and helps maintain integrity at elevated temperatures.
- Iron (Fe): Contributes to overall mechanical properties, adding strength and structure.
- Molybdenum (Mo): Improves creep resistance and overall high-temperature strength.
- Titanium (Ti): Provides added thermal stability and improves the strength of the alloy.
- Cobalt (Co): Added in some versions to increase high-temperature strength and fatigue resistance.
- Aluminum (Al): Contributes to oxidation resistance by forming a protective oxide layer at high temperatures.
- Vanadium (V): Strengthens the alloy at high temperatures and enhances creep resistance.
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Mechanical Properties:
- High-Temperature Strength: These alloys retain exceptional strength and structural integrity at temperatures up to 1000°C or higher, making them ideal for high-heat applications.
- Creep Resistance: These alloys show excellent resistance to long-term deformation under stress at high temperatures, ensuring reliability in parts exposed to thermal and mechanical loads.
- Oxidation Resistance: The alloys' ability to resist oxidation at high temperatures helps maintain performance in high-oxygen environments, such as jet engines and turbines.
- Corrosion Resistance: Enhanced resistance to corrosive environments like sulfur and acids, which is crucial in chemical processing and aerospace.
- Thermal Stability: These alloys are stable at high temperatures, ensuring they maintain their properties even under fluctuating conditions.
- Fatigue Resistance: The alloys' high resistance to thermal cycling and fatigue makes them reliable for components exposed to cyclic stresses.
Applications:
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Aerospace:
- Components like jet engine parts, turbine blades, exhaust nozzles, and heat exchangers are frequently made from these alloys due to their ability to withstand high operational temperatures.
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Gas Turbines:
- Commonly used in the turbine blades, discs, shafts, and vanes of gas turbines, where the materials are subjected to extreme conditions of heat and stress.
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Power Generation:
- These alloys are also used in the manufacture of turbine parts, boilers, and heat exchangers for power plants, where thermal and mechanical stresses are high.
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Chemical Processing:
- They are highly effective in chemical reactors, heat exchangers, and high-temperature pipelines where oxidation resistance and corrosion resistance are essential.
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Marine:
- Used in marine engines and offshore equipment exposed to both high temperatures and corrosive seawater environments.
Forms Available:
- Foil: Available in ultra-thin gauges, suitable for applications requiring precision and heat protection, such as thermal insulation, shielding, and electrical applications.
- Strip: Commonly used for precision manufacturing of components like turbine blades, discs, and furnaces.
- Coil: Available in large coils for continuous manufacturing processes, used in gas turbine engines, exhaust systems, and high-temperature applications.
Specifications:
- Thickness: These alloys are available in a range of thicknesses, from ultra-thin foils to thicker strips and coils, allowing for use in both high-precision applications and large-scale manufacturing.
- Width: Customizable width options depending on the end-use application.
- Standards: Manufactured to meet international standards like ASTM B637, AMS 5663, UNS N07263, ensuring consistent quality and performance.
Advantages:
- High-Temperature Performance: These alloys maintain mechanical strength and structural integrity at elevated temperatures, up to or exceeding 1000°C.
- Creep Resistance: They show minimal deformation under long-term thermal stress, ideal for gas turbines and jet engines.
- Oxidation Resistance: Superior oxidation resistance ensures the alloys can withstand high-oxygen environments.
- Corrosion Resistance: These alloys resist corrosive elements such as sulfur and chlorides, ensuring reliability in chemical processing applications.
- Fatigue Resistance: Strong fatigue resistance ensures reliability in components exposed to cyclic thermal and mechanical stresses.
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.
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
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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