Monel 400 Alloy High-Strength, Corrosion-Resistant Material Ideal For Marine And Chemical Processing Applications

Monel 400 Alloy Product Introduction:

Monel 400 alloy, also known as UNS N04400, is a nickel-copper alloy renowned for its excellent combination of high strength and outstanding corrosion resistance in a wide range of environments. It consists predominantly of Nickel (Ni) and Copper (Cu), with small amounts of Iron (Fe), Manganese (Mn), Carbon (C), and Silicon (Si).

Key Features:

• Chemical Composition: Nickel provides about 63% of the alloy's composition, with Copper contributing 28-34%. The remaining elements enhance specific properties, ensuring optimal performance.

• Mechanical Properties: Monel 400 alloy exhibits impressive tensile strength ranging from 550 MPa to 800 MPa (annealed condition) and yield strength between 240 MPa and 450 MPa (0.2% offset).

• Physical Properties: It has a density of 8.80 g/cm³ and a melting point between 1300°C and 1350°C, making it suitable for high-temperature applications.

• Thermal and Electrical Conductivity: Monel 400 alloy offers good thermal conductivity (21 W/m·K at 20°C) and electrical conductivity (34% IACS in the annealed condition).

• Corrosion Resistance: It demonstrates exceptional resistance to corrosion in marine environments, including seawater, as well as in acidic and alkaline solutions.

• Machinability and Weldability: The alloy is relatively easy to machine and has good weldability, enabling it to be fabricated into various forms and structures.

Applications:

Monel 400 alloy finds extensive use in:

• Marine Engineering: For seawater handling equipment such as propeller shafts, pumps, and valves.
• Chemical Processing: Particularly in applications involving sulfuric acid, hydrofluoric acid, and other corrosive chemicals.
• Hydrocarbon Processing: Used in equipment for oil and gas production, including piping systems and heat exchangers.
• Aerospace and Defense: Components requiring high strength and corrosion resistance.

Certifications and Standards:

Monel 400 alloy meets ASTM B164, ASTM B127, and other international standards, ensuring reliability and performance in critical applications.

For precise technical specifications and tailored solutions, please refer to our product datasheets or contact our technical support team.

Here is the chemical composition table for Monel 400 alloy:

• stainless steel series 304, 304L, 321, 316L, 317L, 309s, 310s,904L,410, 420, 430, 441, 409, 436, 441, 439, 630,etc.
• Duplex stainless steel series 2205, 2507​,etc.
• HastelloyC-276, B-2, C-2000,etc.
• Nickel-based alloy series Inconel625, 718, Incoloy825, 800H, Monel400,etc.
• Superalloy series GH4169, GH3625,GH3030,GH3044,GH2747,GH3128,GH4145,GH230,GH163, etc.
• Soft magnetic alloy series 1j85, 4J36 4J29 4J33 1J50 1J22 1J85, etc.
• Copper-nickel alloy series NCu40-2-1 plates, tubes, bars, profiles and forgings.

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