Inconel 625 (UNS N06625, W. Nr. 2.4856) is a high-performance, corrosion-resistant nickel-based superalloy renowned for its excellent performance at elevated temperatures and in aggressive environments. This alloy is widely used in industries where exceptional strength, oxidation, and corrosion resistance are required, such as aerospace, chemical processing, and power generation.
Inconel 625 is specifically designed for applications that involve exposure to high temperatures, corrosive environments, and mechanical stress. It offers superior properties when compared to other high-temperature alloys, particularly in resistance to stress corrosion cracking, pitting, and oxidation.
Key Properties
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Chemical Composition:
- Nickel (Ni): 58.0% min, forming the base for high-temperature strength and resistance to oxidation.
- Chromium (Cr): 20-23%, which imparts superior oxidation and corrosion resistance.
- Molybdenum (Mo): 8-10%, enhancing resistance to pitting and crevice corrosion, as well as improving high-temperature strength.
- Iron (Fe): 5% max, providing a balance of strength and toughness.
- Titanium (Ti): 0.4-1.0%, helps to stabilize the alloy and increase its resistance to creep.
- Aluminum (Al): 0.4-1.0%, contributes to oxidation resistance at higher temperatures.
- Other elements: Small amounts of niobium, cobalt, and trace elements contribute to the overall performance of Inconel 625.
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Performance Characteristics:
- High-temperature strength: Maintains its mechanical strength and resists deformation even at elevated temperatures (up to 980°C in oxidation environments).
- Oxidation and corrosion resistance: Excellent in both reducing and oxidizing environments, including exposure to seawater, acid, and alkali solutions.
- Good weldability and fabricability: Can be easily welded, formed, and fabricated into various shapes like strips, coils, and foils, maintaining its properties.
- Creep and fatigue resistance: Withstands prolonged exposure to high temperatures and mechanical stresses without losing integrity.
- Stress corrosion cracking resistance: Highly resistant to cracking caused by exposure to both stress and corrosive environments, such as those encountered in the marine, aerospace, and chemical industries.
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Forms:
- Available in coil, strip, and foil forms, suitable for a variety of manufacturing applications requiring precision and high performance.
- Ideal for producing parts that need high strength, resistance to corrosion, and stability under extreme temperatures.
Applications
- Aerospace: Turbine blades, seals, and other high-temperature components that require excellent resistance to oxidation and high-temperature creep.
- Marine: Components exposed to seawater and high-stress environments, such as piping, heat exchangers, and engine parts.
- Chemical Processing: Reactors, valves, and piping systems subjected to harsh chemical environments.
- Power Generation: Gas turbines, exhaust systems, and other components that experience elevated temperatures and mechanical stresses.
- Nuclear: Structural components that must withstand high radiation and high-temperature conditions.
- Welding and Furnace Equipment: Ideal for heat treatment and furnace systems, especially in industries where both high temperature and oxidation resistance are critical.
Product Specifications
- Thickness: Available in a variety of thicknesses ranging from ultra-thin foils to thicker coils and strips.
- Width: Customizable based on specific requirements for the end-use application.
- Form: Can be provided in coil, strip, or foil forms, offering flexibility in manufacturing processes.
- Standards: Conforms to industry standards, including ASTM B443, AMS 5599, and other relevant specifications for high-temperature alloys.
Advantages
- Exceptional high-temperature strength: Retains its strength and stability even in extreme environments.
- Superior corrosion and oxidation resistance: Effective in both oxidizing and reducing environments, including chemical and marine applications.
- Excellent weldability: Inconel 625 is well-suited for welding and fabricating into various components.
- Resistance to stress corrosion cracking: Ideal for applications exposed to both stress and corrosive environments.
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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