In the world of high-performance materials, Inconel 625 plate stands out for its exceptional corrosion resistance, high strength, and thermal stability. This unique combination of properties makes it an ideal choice for a wide range of applications across various industries, including aerospace, chemical processing, and marine environments. In this comprehensive guide, we’ll dive into the different variants of Inconel 625 plate, discuss their specific advantages, and help you choose the best option for your specific requirements.
Overview of Inconel 625 Plates and Variants
Inconel 625 is a nickel-chromium alloy, known for its high strength and outstanding corrosion resistance. The primary components of this material are nickel, chromium, and molybdenum, with trace amounts of other elements such as niobium, iron, and cobalt. The alloy’s strength is derived from solid-solution hardening, a process that involves the presence of molybdenum and niobium within the nickel-chromium matrix. This composition allows Inconel 625 plates to perform exceptionally well in various demanding operating environments, including those involving high temperatures, aggressive chemical compounds, and harsh marine conditions.
Inconel 625 plates exhibit outstanding resistance to various types of corrosion, including pitting, crevice corrosion, and chloride-ion stress corrosion cracking. Their high corrosion resistance makes them a popular choice for applications in the aerospace, chemical processing, and marine industries. Additionally, Inconel 625 plates maintain their strength and integrity even at elevated temperatures, making them suitable for high-temperature applications.
There are several variants of Inconel 625 plates available, each designed to cater to specific application requirements. These variants differ in terms of their chemical composition, mechanical properties, and processing techniques. The top picks for various applications will be explored in the upcoming sections to assist you in choosing the best Inconel 625 plate for your needs.
Best Overall: Inconel 625
Price: Contact supplier for pricing
Specifications:
- Material: Nickel-based superalloy
- Composition: Nickel (58%), Chromium (20-23%), Molybdenum (8-10%), Iron (3-5%), trace amounts of Manganese and Niobium
Pros of using this material include:
- Excellent corrosion resistance in various environments, including those with mineral acids
- High strength and mechanical properties at both extremely low and extremely high temperatures
- Outstanding resistance to pitting, crevice corrosion, and chloride-ion stress corrosion cracking
Cons:
- Can be more expensive than other material options
- May require specialized welding and fabrication techniques
Inconel 625, a highly versatile material, boasts the following properties:
- Excellent resistance to pitting, crevice corrosion, and chloride-ion stress corrosion cracking
- Exceptional corrosion resistance paired with mechanical strength
- Suitable for a wide range of applications, from aerospace components to chemical processing equipment
- Maintains integrity and performance even in high-temperature conditions
These properties make Inconel 625 plates an ideal choice for many industries.
One notable advantage of Inconel 625 is its weldability, making it compatible with various welding processes, including:
- GTAW (TIG)
- PLASMA
- GMAW (MIG/MAG)
- SAW
- SMAW (MMA)
This makes it easier to fabricate components and structures using Inconel 625 plates, ensuring a reliable and long-lasting end product.
Overall, Inconel 625 is an excellent choice for those seeking a high-performance material with great corrosion resistance and strength across a wide range of applications.
Best for High Temperature Resistance: Alloy 625 Plate
Price: Contact supplier for pricing
Specifications:
- Material: Nickel-based superalloy
- Composition: Nickel (58%), Chromium (20-23%), Molybdenum (8-10%), Iron (3-5%), trace amounts of Manganese and Niobium
Pros of using this material include:
- Outstanding resistance to corrosion in both oxidizing and reducing environments, including those with organic acids
- Retains strength and integrity in high-temperature conditions
- Suitable for various high-temperature applications
Cons:
- Can be more expensive than other material options
- May require specialized welding and fabrication techniques
Alloy 625 Plate is renowned for its outstanding resistance to corrosion in both oxidizing and reducing environments, making it an ideal choice for applications involving high temperatures. The high molybdenum content of Alloy 625 Plate provides exceptional resistance to pitting and crevice corrosion, while its additional elements, including nickel, chromium, and niobium, contribute to its superior corrosion resistance and robust strength properties at elevated temperatures.
The maximum operating temperature of Alloy 625 Plate is approximately 2150°F (1177°C). This makes it suitable for various applications in industries that require materials with high-temperature resistance, such as aerospace, automotive, and chemical processing. In addition, its excellent corrosion resistance ensures that components made from Alloy 625 Plate will maintain their integrity and performance even under the most extreme conditions.
Best Corrosion Resistant: UNS N06625
Price: Contact supplier for pricing
Specifications:
- Material: Nickel-based superalloy
- Composition: Nickel (58%), Chromium (20-23%), Molybdenum (8-10%), Iron (3-5%), trace amounts of Manganese and Niobium
Pros of using this material include:
- Excellent resistance to pitting, crevice corrosion, and chloride stress corrosion cracking, supported by its pitting resistance equivalency numbers
- Suitable for various applications in harsh environments
- High strength and mechanical properties
Cons:
- Can be more expensive than other material options
- May require specialized welding and fabrication techniques
UNS N06625, also known as Inconel 625, is a material that provides outstanding resistance to pitting, crevice corrosion, and chloride ion-related stress corrosion cracking, making it suitable for extreme conditions. Its composition, which consists of nickel, chromium, and molybdenum, provides remarkable protection against a multitude of corrosive environments, including oxidizing and reducing acids.
In addition to its high corrosion resistance, UNS N06625 also exhibits excellent strength and mechanical properties at both cryogenic and high temperatures. This makes it ideal for use in various industries, such as aerospace, chemical processing, and marine environments, where components must withstand harsh environments and maintain their performance over time.
Most Versatile: Inconel 625 ASTM B443
Price: Contact supplier for pricing
Specifications:
- Material: Nickel-based superalloy (nickel alloys)
- Composition: Nickel (58%), Chromium (20-23%), Molybdenum (8-10%), Iron (3-5%), trace amounts of Manganese and Niobium
Pros:
- Versatile material with excellent mechanical properties
- Suitable for a wide range of applications in various industries
- High strength and corrosion resistance
Cons:
- Can be more expensive than other material options
- May require specialized welding and fabrication techniques
Inconel 625 ASTM B443 is a high-performance alloy with the following properties:
- Excellent mechanical properties at both extremely low and extremely high temperatures
- Outstanding corrosion resistance, including resistance to pitting, crevice corrosion, and intergranular attacks
- Ideal choice for a wide range of applications across various industries
- Excellent weldability, allowing for easy fabrication and joining of components made from this material.
Some of the industries that commonly utilize Inconel 625 ASTM B443 include:
- Aerospace
- Automotive
- Oil and gas extraction
- Chemical processing
Its versatility, combined with its superior mechanical properties, make it an excellent choice for those seeking a material that can withstand a wide range of demanding applications while maintaining its integrity and performance.
Best for Low-Cycle Fatigue: 625 LCF®
Price: Contact supplier for pricing
Specifications:
- Material: Nickel-based superalloy
- Composition: Nickel (≥ 58%), Chromium (20-23%), Molybdenum (8-10%), Iron (≤ 5%)
Pros:
- Optimized for low-cycle and thermal fatigue resistance
- Suitable for various applications in industries requiring fatigue resistance
- High strength mechanical properties and fatigue resistance
Cons:
- Can be more expensive than other material options
- May require specialized welding and fabrication techniques
625 LCF® is a special alloy designed to provide optimal low-cycle and thermal fatigue resistance up to 1200°F (650°C). This material’s unique composition includes:
- Nickel
- Chromium
- Molybdenum
- Niobium
These elements contribute to its exceptional fatigue resistance, ultimate tensile strength, ultimate tensile strength elongation, yield strength mechanical properties, and mechanical properties at both cryogenic and high temperatures.
Some of the industries where 625 LCF® is widely utilized include aerospace, automotive, oil and gas, chemical, and renewable energy. Its applications range from bellows and structures exposed to cyclic conditions at elevated temperatures to motorsport exhaust systems and valve, pump, and general engineering applications.
These diverse applications demonstrate the versatility and dependability of 625 LCF® in industrial settings.
Best Strength Properties: ATI 625 HP® (UNS N06626)
Price: Contact supplier for pricing
Specifications:
- Material: Nickel-based superalloy
- Composition: Nickel (≥ 58%), Chromium (20-23%), Molybdenum (8-10%), Iron (≤ 5%)
Pros:
- Superior strength properties compared to other Inconel 625 variants
- Suitable for various high-strength applications
- Excellent corrosion resistance
Cons:
- Can be more expensive than other material options
- May require specialized welding and fabrication techniques
ATI 625 HP® (UNS N06626) is a restricted alloy with superior strength properties when compared with other Inconel 625 variants. Its exceptional strength and toughness over a wide temperature range, from cryogenic temperatures to 2000°F (1093°C), make it ideal for various applications requiring high strength and durability.
The manufacturing process of ATI 625 HP® (UNS N06626) involves a two-step melting process that includes a consumable electrode remelting procedure, which is correlated to the strength properties of the alloy. This unique process results in a material with high strength, excellent corrosion resistance, and a longer lifespan compared to other Inconel 625 alloys.
Best for Sheet Applications: Inconel Sheet
Price: Contact supplier for pricing
Specifications:
- Material: Nickel-based superalloy
- Composition: Nickel (58%), Chromium (20-23%), Molybdenum (8-10%), Iron (3-5%), trace amounts of Manganese and Niobium
Pros:
- High-performance superalloy for sheet applications
- Excellent strength, oxidation, and corrosion resistance at high temperatures
- Suitable for various industries and applications
Cons:
- Can be more expensive than other material options
- May require specialized welding and fabrication techniques
Inconel Sheet is a high-performance superalloy that offers excellent strength, oxidation, and corrosion resistance at elevated temperatures. This material is commonly used in industries such as oil and gas extraction, aerospace, medical, chemical processing, nuclear engineering, and thermal processing, where components must withstand extreme conditions while maintaining their performance over time.
Inconel Sheet, a high-performance plain sheet, is available in various thicknesses, making it suitable for a wide range of applications. Its superior properties, including high tensile strength, fatigue resistance, and creep resistance, make it an ideal choice for sheet applications requiring high-performance materials.
Best for Shim Applications: Inconel 625 Shim Stock
Price: ₹ 165 / Kg Specifications:
- Material: Inconel
- Material Grade: 625
- Thickness: 0.5 – 5 mm
- Length: 50 – 100 m
- Brand: Metal Fort
Pros of using stainless steel shims:
- Versatile material with excellent corrosion resistance and high strength
- Suitable for shim applications in various industries
- Available in various thicknesses for a wide range of applications
Cons:
- Can be more expensive than other material options
- May require specialized welding and fabrication techniques
Inconel 625 Shim Stock is a highly versatile material, offering superior corrosion resistance and remarkable strength, making it an ideal choice for shim applications. Its impressive corrosion resistance and mechanical strength make it suitable for various applications in industries such as aerospace, chemical processing, and marine environments, where components must withstand harsh environments while maintaining their performance over time.
Inconel 625 Shim Stock is available in various thicknesses, ranging from 0.5mm to 5mm, making it suitable for a wide range of applications. With its superior properties, Inconel 625 Shim Stock provides reliable performance and durability in various industries.
Best Strip Variant: Alloy 625 Strip
Price: Contact supplier for pricing
Specifications:
- Material: Nickel-based superalloy
- Composition: Nickel (58%), Chromium (20-23%), Molybdenum (8-10%), Iron (3-5%), trace amounts of Manganese and Niobium
Pros:
- Outstanding good resistance to corrosion in various environments
- Suitable for strip applications in various industries
- High strength and mechanical properties
Cons:
- Can be more expensive than other material options
- May require specialized welding and fabrication techniques
Alloy 625 Strip is a nickel-based high-performance superalloy that offers excellent resistance to corrosion in various environments, making it an ideal choice for strip applications. Its outstanding resistance to pitting, crevice corrosion, and chloride ion-related stress corrosion cracking allows it to maintain its integrity and performance even in extreme conditions.
Alloy 625 Strip is manufactured through a cold rolling process, whereby the whole alloy 625 sheet is passed through a cold rolling mill to achieve the desired thickness and flatness. This process ensures that the material maintains its high strength and corrosion resistance, making it suitable for a wide range of applications in industries requiring high-performance materials.
Choosing the Right Inconel 625 Plate
The selection of the optimal Inconel 625 plate for your specific needs involves careful consideration of factors such as:
- Corrosion resistance
- Strength
- Temperature resistance
- Application needs
Each Inconel 625 variant presents unique advantages and properties, thus the importance of selecting the one that aligns best with your project requirements and desired outcomes.
For an informed decision, consider the technical data available in this guide that covers the different Inconel 625 plate variants and their specific properties. A thorough understanding of the benefits and limitations of each variant will enable you to select the most suitable Inconel 625 plate for your specific application, guaranteeing top performance and durability in your selected industry.
Summary
In conclusion, Inconel 625 plates offer a unique combination of exceptional corrosion resistance, high strength, and thermal stability, making them an ideal choice for a wide range of applications across various industries. By understanding the specific properties and advantages of each Inconel 625 plate variant, you can make an informed decision on the best option for your specific requirements and application needs, ensuring reliable performance and durability in your chosen field.
Frequently Asked Questions
What is Inconel 625 plate material?
Inconel 625 is a nickel-based superalloy featuring excellent resistance to oxidation and corrosion, high temperature strength, and remarkable protection against corrosion and oxidation. It consists of a solid solution nickel alloy made of nickel, chromium, molybdenum, and niobium, which is strengthened through solid solution strengthening.
What is the grade of Inconel 625 plate?
Inconel 625 Grade 1 is the most commonly stocked version, providing a yield strength of 60ksi (414Mpa) for bars up to 4′′ (101.6mm) diameter, and 50ksi (345MPa) for larger bars up to 10′′ (254mm) diameter in Annealed condition.
What is INCONEL alloy 625 used for?
INCONEL® alloy 625 is a commonly used material for components in plant equipment, as well as in aerospace, automobile, oil extraction, oil refining, marine, waste treatment, pulp & paper and power industries.
What is the price of Inconel 625 plate per kg?
The price of Inconel 625 plate per kg is approximately $45.
What industries commonly use Inconel 625 plates?
Inconel 625 plates are widely used in industries such as aerospace, chemical processing, marine environments, oil and gas extraction, medical, nuclear engineering, and thermal processing.
