GH4169, also known as Inconel 718, is a high-performance nickel-based superalloy specifically designed for use in high-temperature applications. Known for its outstanding strength, resistance to oxidation and corrosion, and excellent weldability, this alloy is commonly used in demanding environments, such as aerospace, power generation, and chemical processing.
Available in steel strip form, this alloy provides versatility for various industrial applications where high stress and elevated temperatures are prevalent.
Key Properties:
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Chemical Composition:
- Nickel (Ni): ~50-55%, the dominant element providing high-temperature strength and oxidation resistance.
- Chromium (Cr): 17-21%, providing resistance to oxidation and corrosion.
- Iron (Fe): Remainder, offering structural integrity.
- Molybdenum (Mo): 2.8-3.3%, improving the alloy's resistance to pitting and crevice corrosion.
- Titanium (Ti): 0.65-1.15%, stabilizing the alloy's microstructure and contributing to its high-temperature strength.
- Aluminum (Al): 0.2-0.8%, promoting oxidation resistance and enhancing the alloy's resistance to high temperatures.
- Niobium (Nb): 4.75-5.5%, plays a crucial role in precipitation hardening.
- Cobalt (Co): Up to 1%, further enhancing the alloy's mechanical properties.
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Mechanical Properties:
- High-Temperature Strength: With its high nickel content and alloying elements like titanium and niobium, Inconel 718 retains high strength at temperatures up to 700°C (1,292°F).
- Excellent Weldability: It is widely known for its superior weldability, making it easy to fabricate into complex shapes without compromising its structural integrity.
- Fatigue and Stress Rupture Resistance: Inconel 718 exhibits excellent resistance to fatigue, crack propagation, and stress rupture, making it ideal for use in critical applications.
- Corrosion and Oxidation Resistance: The alloy performs exceptionally well in environments subject to oxidation, carburization, and sulfidation at elevated temperatures.
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Performance Characteristics:
- Oxidation and Corrosion Resistance: The alloy is highly resistant to oxidation in high-temperature environments, which is critical in aerospace and power generation applications.
- High Strength and Durability: The alloy exhibits high tensile and yield strength at both ambient and elevated temperatures.
- Resistant to Cryogenic Temperatures: Inconel 718 retains its strength and integrity even at extremely low temperatures, making it suitable for a range of cryogenic applications.
- Long-Term Stability: With its excellent creep resistance, Inconel 718 ensures long-term stability in high-stress and high-temperature environments.
Applications:
- Aerospace: Inconel 718 is used extensively in the aerospace industry, including the production of turbine blades, rocket engines, and components exposed to extreme temperatures.
- Gas Turbines: The alloy is ideal for components like turbine rotors, blades, and seals in industrial gas turbines that operate at high temperatures and under high mechanical stresses.
- Power Generation: Widely used for components in power plants, including exhaust valves, combustion chambers, and heat exchangers, where high-temperature durability is critical.
- Chemical Processing: Used for reactor components, heat exchangers, and other parts that need to resist corrosive environments at elevated temperatures.
- Marine: Suitable for parts exposed to high-stress, high-temperature, and corrosive marine environments.
- Cryogenics: Due to its ability to perform well at both high and cryogenic temperatures, it is used in applications like cryogenic tanks and equipment for space exploration.
Forms Available:
- Steel Strip: Ideal for creating components that require precise, thin, and uniform material thickness. Can be easily fabricated into various shapes and sizes for high-performance applications.
- Foil: Ultra-thin versions of Inconel 718, used in specialized applications like heat shields and thermal insulation.
- Plate and Sheet: Available for more robust applications where thickness is critical, and strength is required at high temperatures.
Advantages of GH4169 Inconel 718:
- Excellent High-Temperature Strength: Inconel 718 maintains its strength in high-stress environments, ensuring long service life for critical components.
- Versatile Fabrication: It is highly workable, making it suitable for complex shapes, welding, and other manufacturing techniques.
- Corrosion Resistance: Its robust resistance to corrosive environments ensures minimal degradation and longer performance in harsh conditions.
- Fatigue and Creep Resistance: The alloy excels in resisting fatigue and creep, offering exceptional performance in rotating and high-pressure applications.
- Proven Reliability: Used in numerous demanding industries, Inconel 718 has proven to be a highly reliable and durable material, capable of handling extreme temperatures, pressures, and mechanical stress.
Specifications:
- Thickness: Available in a wide range of thicknesses, from ultra-thin foils to thicker strips and plates.
- Width: Customizable widths to meet specific manufacturing needs.
- Standards: Manufactured to meet international standards such as ASTM B637 and AMS 5662, ensuring uniform quality and reliable performance.
Conclusion:
GH4169 (Inconel 718) is a premium nickel-based superalloy offering outstanding performance in extreme environments. Whether you need it in steel strip, plate, or foil form, Inconel 718's exceptional high-temperature strength, corrosion resistance, and fatigue properties make it ideal for industries like aerospace, power generation, and chemical processing.
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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