Inconel 625 Seamless Tube Introduction:

Inconel 625 is a high-performance nickel-based alloy known for its exceptional corrosion resistance and high strength, making it a popular choice for various industrial applications, including those involving extreme environments and high temperatures. Inconel 625 seamless tubes are a specific form of this alloy used in critical applications. Here's an introduction to Inconel 625 seamless tubes:

1. Alloy Composition:

• Inconel 625 is a nickel-chromium-molybdenum alloy with the addition of niobium and other elements.
• It is highly alloyed to provide excellent corrosion resistance, especially in aggressive environments.

2. Seamless Tube Characteristics:

• Seamless tubes are created by extruding a solid billet through a piercing rod to form a hollow tube without any welding seams.
• The seamless construction provides several advantages, such as higher pressure and temperature resistance, enhanced mechanical strength, and a more uniform structure.

3. Corrosion Resistance:

• Inconel 625 seamless tubes offer superb resistance to a wide range of corrosive environments, including acids, alkalis, and seawater.
• They are often used in chemical processing, marine, and petrochemical industries where corrosion is a significant concern.

4. High Temperature Performance:

• Inconel 625 retains its strength and integrity at elevated temperatures, making it suitable for high-temperature applications, such as heat exchangers and furnace components.

5. Versatile Application:

• These seamless tubes are utilized in a variety of industries, including aerospace, power generation, oil and gas, and marine engineering.
• Common applications include heat exchangers, condensers, pipelines, and exhaust systems.

6. Precise Dimensions:

• Inconel 625 seamless tubes are manufactured to precise specifications, ensuring they meet the dimensional requirements for each application.

7. Quality Standards:

• Manufacturers adhere to strict quality and safety standards to produce seamless tubes that conform to international specifications such as ASTM B444 and ASME SB444.

8. Customization:

• Inconel 625 seamless tubes can be customized in terms of dimensions, lengths, and surface finishes to meet the specific needs of different industries.

9. Weldability:

• Inconel 625 is known for its excellent weldability, although seamless tubes are already formed without welding seams.

Similar Grades

United States: UNS N06625

France: NC 22DNb

United Kingdom: NA21

Germany: W.Nr.2.4856, NiCr22Mo9Nb

Typical values(Weight %)

Inconel625 Physical Properties

Density: 8.28 g/cm3

Melting point: 1295-1381℃

Magnetic: no

Linear expansion coefficient: 12.1-16.1

Hardness: 150-220 (HB)

Inconel625 Mechanical Properties (Room Temperature)