Monel 400 Alloy

Monel 400 alloy

Steelco Metal proudly offers Monel 400 Alloy, a renowned material with exceptional corrosion resistance and mechanical properties. Monel 400, primarily composed of nickel and copper, excels in harsh environments, making it an ideal choice for various industries. Whether for chemical processing or marine applications, our Monel 400 Alloy is a top-notch solution that meets industry standards. Its unique composition ensures resistance to both acidic and alkaline solutions, including sulfuric acid and seawater, making it invaluable in corrosive settings.

In addition to its corrosion resistance, the Monel 400 boasts impressive mechanical characteristics, maintaining its strength over a wide temperature range. It is ideal for temperature-critical applications, including pumps, valves, and piping systems, where both strength and corrosion resistance are essential. Steelco Metal stands as your trusted supplier, providing Monel 400 Alloy in various forms to meet your specific industrial needs.

Monel 400 Alloy is also known for its ease of fabrication, allowing it to be readily formed, machined, and welded. This feature makes it a practical choice for manufacturers requiring custom precision components. Regardless of your industry, whether it’s in the chemical, oil, gas, or marine sectors, Monel 400 Alloy from Steelco Metal ensures dependable and resilient performance, even in the most challenging environments. Count on Steelco Metal for quality, reliability, and exceptional service when it comes to Monel 400 Alloy.

Types of Monel 400 Alloy

Monel 400 Sheets and Plates

Monel 400 sheets and plates are flat sections of the alloy, suitable for constructing corrosion-resistant panels, tanks, and structural components in industries like chemical processing and marine engineering.

Monel 400 Bars and Rods

Monel 400 bars and rods are cylindrical forms of the alloy, often used in manufacturing fasteners, shafts, and other round components requiring the alloy’s robust corrosion resistance and mechanical properties.

Monel 400 Pipes and Tubes

Monel 400 pipes and tubes are integral in transporting corrosive fluids or gases. They are vital in chemical industries and marine engineering for their ability to withstand harsh environments while maintaining structural integrity.

Monel 400 Welding Wire

Monel 400 welding wire is specifically designed for joining or repairing Monel 400 components. It ensures a reliable and corrosion-resistant bond when welding Monel 400.

Monel 400 Forgings

Monel 400 forgings are custom-shaped components forged from the alloy. These are used in specialized applications where standard shapes or sizes won’t suffice.

Monel 400 Fittings and Flanges

Fittings and flanges made from Monel 400 are essential in piping systems where resistance to corrosion is crucial. They provide a secure and durable connection in environments where standard materials would deteriorate.

Key Features of Monel 400 Alloy

Exceptional Corrosion Resistance

Monel 400 is renowned for its outstanding resistance to a wide range of corrosive environments, including seawater, sulfuric acid, and other acidic and alkaline solutions. This property makes it ideal for marine and chemical processing applications.


This alloy remains durable and reliable over a broad temperature range, from sub-zero temperatures to elevated levels, ensuring its suitability for applications in diverse industries.

Mechanical Strength

Monel 400 retains its mechanical strength even in extreme temperatures, making it well-suited for critical applications like pumps, valves, and piping systems.

Ease of Fabrication

Monel 400 is relatively easy to machine, weld, and form, allowing for the production of custom components with precision and efficiency.

Low Magnetic Permeability

It has low magnetic permeability, which makes it suitable for applications where magnetic interference or attraction is undesirable.

Resistance to Stress Corrosion Cracking

Monel 400 demonstrates impressive resistance to stress corrosion cracking, a common issue in corrosive environments.

High Fatigue Strength

It offers high fatigue strength, making it a reliable choice for components that experience cyclic loading and stress.

Non-Sparking Property

Monel 400 is non-sparking, making it safe for use in explosive environments and applications where sparks are a concern.


This alloy’s resistance to corrosion ensures a longer service life, reducing maintenance and replacement costs.

Wide Range of Applications

Monel 400 is used in various industries, including marine engineering, chemical processing, oil and gas, aerospace, and more, owing to its versatility and durability.

Specification of Monel 400 Alloy

Property Value
Nickel (Ni): 63%
Copper (Cu): 28-34%
Density (at 68°F/20°C)
8.80 g/cm³
Melting Point
2,400-2,485°F (1,315-1,360°C)
Tensile Strength
70,000 psi (483 MPa)
Yield Strength (0.2% offset)
28,000 psi (193 MPa)
Elongation at Break
Hardness (Brinell)
65-75 HB
Electrical Conductivity (annealed)
34% IACS
Magnetic Permeability (annealed)
< 1.002
Specific Heat Capacity (68°F/20°C)
0.102 Btu/lb°F (427 J/kg·K)
Coefficient of Thermal Expansion
13.9 µin/(in·°F) (25.0 µm/(m·K))

Industrial Applications of Monel 400 Alloy

Monel 400 Alloy finds application in various industries, including:

Countries We Supply Monel 400 Alloy To

Steelco Metal & Alloys supply and distribute Monel 400 Alloy to countries like:

US United States

Europe Europe

Middle East Middle East

Africa Africa

and more…


Competitive Advantage of Steelco Metal & Alloys

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Monel 400 is a nickel-copper alloy known for its exceptional resistance to corrosion, making it a valuable material in various industries. It consists primarily of nickel and copper, with small amounts of iron and other elements.
Monel 400 primarily consists of nickel (approximately 63%) and copper (around 28-34%), with trace amounts of iron, manganese, carbon, and silicon. These elements combine to create an alloy with unique properties.
Selecting the appropriate Monel 400 Alloy for your application depends on factors like environmental conditions, temperature, and the specific requirements of your project. Consider consulting with experts or referring to material specifications to ensure the best choice for your needs.
Yes, Monel 400 Alloy can be customized to suit various applications. It can be tailored in different forms such as sheets, plates, bars, pipes, and more, depending on the requirements. Manufacturers can also customize Monel 400 components to meet precise dimensions and specifications for specific industrial uses.

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