Inconel 625
UNS N06625
Supplier of Nickel Alloys and Specialist METALS
Inconel 625
Trade Names
Inconel® 625
UNS Ref:
N06625
Applications
Chemical processing equipment, Oil & Gas sour service flowlines, well head equipment, chemical injection lines for Oil & Gas wells, heat exchangers, aerospace and marine engineering, pollution-control equipment, and nuclear reactors.
Standards
ASTM B443 ASME SB443 AMS 5599
Available Forms & Sizes
Range From
Range To
Round Bar
9.53mm
267mm
Sheet & Plate
0.25mm
101.6mm
Pipe
0.5 in
8 in
Pipe Fittings
0.5 in
8 in
Flanges
0.5 in
8 in
Inconel 625 is a high-strength, corrosion-resistant nickel-chromium-molybdenum alloy. It belongs to the family of superalloys, also known as high-performance alloys, which are designed to withstand extreme environments, including high temperatures, pressure, and aggressive chemical environments. The “625” in Inconel 625’s name refers to its nominal composition of 60% nickel, 20% chromium, and 8% molybdenum, with other elements such as iron, niobium, and cobalt present in smaller amounts.
Characteristics
- Corrosion Resistance: Inconel 625 exhibits excellent resistance to a wide range of corrosive environments, including acidic and alkaline solutions. This makes it suitable for applications in chemical processing, aerospace, marine, and other industries where corrosion resistance is crucial.
- High Temperature Strength: The alloy retains its strength and integrity at elevated temperatures, making it suitable for use in high-temperature applications such as furnace components, jet engine parts, and heat exchangers.
- Creep Resistance: Inconel 625 has good resistance to creep deformation, which is the gradual deformation of materials under constant stress at high temperatures. This property is important for maintaining structural integrity in high-temperature applications.
- Fatigue Resistance: The alloy exhibits good fatigue resistance, allowing it to withstand cyclic loading and stress without experiencing premature failure.
- Weldability: Inconel 625 is known for its weldability, and it can be welded using various methods without significant loss of corrosion resistance or mechanical properties.
- Versatility: The versatility of Inconel 625 makes it suitable for a wide range of applications, including chemical processing, aerospace, marine engineering, nuclear reactors, and oil and gas extraction.
Applications
Inconel 625 is commonly used in the manufacturing of components such as pipes, valves, fasteners, heat exchangers, and turbine blades. Its combination of high strength, corrosion resistance, and other mechanical properties makes it a popular choice for demanding and harsh environments.
