Monel 400 Seamless Pipe
Gnee Steel
Monel 400 Seamless Pipe: A High-Performance Alloy for Extreme Conditions
Monel 400 seamless pipe is in high demand in industries requiring excellent corrosion resistance and durability in extreme environments. Made from a nickel-copper alloy, Monel 400 is renowned for its exceptional performance in offshore, chemical processing, and heat exchanger applications.
These seamless pipes offer excellent resistance to seawater, acidic and alkaline solutions, and high-temperature oxidation. Their non-magnetic properties, high mechanical strength, and good weldability make them the material of choice for many critical systems.

Gnee Steel
What is the maximum operating temperature for Monel 400 pipe?
Monel 400 alloy pipe is a nickel-copper solid solution-strengthened alloy. This alloy offers moderate strength, good weldability, good corrosion resistance, and toughness. Its maximum operating temperature is 1000°F (538°C).

Key Properties of Monel 400 Seamless Pipe
Excellent resistance to seawater and saltwater
Excellent corrosion resistance in acidic and alkaline environments
High mechanical strength and toughness
Good thermal conductivity and low thermal expansion
Retains strength over a wide temperature range
Non-magnetic in most environments
Excellent weldability and machinability
Applications of Monel 400 Seamless Pipe
Due to its unique properties, Monel 400 seamless pipe is widely used in:
Marine equipment and seawater systems
Oil and gas extraction and refining
Power plants and nuclear power plants
Chemical plants
Heat exchangers and condensers
Pulp and paper industry

Gnee Steel is a supplier of Monel 400 Seamless Pipe. Our product offerings include seamless pipe (sizes: 4-219 mm, thicknesses: 0.5-20 mm); welded pipe (sizes: 5.0-1219.2 mm, thicknesses: 0.5-20 mm); plate (sizes: 0.1-100 mm, widths: 10-2500 mm); strip; alloy round bar (sizes: 3-800 mm, diameters: 2-100 mm, widths: 10-500 mm); hexagonal bar (sizes: 2-100 mm); wire rod; and extruded sections. We partner with steel mills to provide our customers with Alloy 625 that meets or exceeds numerous leading industry standards, including ASTM, ASME, SAE, AMS, ISO, DIN, EN, and BS. Gnee Steel stocks and sells Monel 400 Seamless Pipe, tube, pipe, plate, strip, sheet, round bar, flat bar, forging billet, hexagon, wire and extruded shapes. Please feel free to contact us for a quote at ss@gneesteel.com





