MONEL 400 - Nickel-Copper Corrosion-Resistant Alloy
Monel 400 is a nickel-copper alloy that is known for its exceptional strength and corrosion resistance. It is often used in a variety of industrial and commercial applications, including those in the oil and gas industry, chemical processing plants, and marine environments.
One of the main benefits of Nickel 400 is its high strength. It has a yield strength of over 300 MPa and a tensile strength of over 550 MPa, making it one of the strongest alloys available. This high strength makes it ideal for use in structural applications, such as in the construction of bridges and buildings.
Product Forms & Size Range of MONEL 400
Round Bar diameters range from 0.125″ to 14.00″ diameter.
Flat Bar comes in a variety of thicknesses and widths. For more information please request a quote.
Plate Thickness ranges from 0.1875″ to 6.50″ Thick.
Sheet Thicknesses range from 0.002″ to .150″ Thick.
Overview of Monel 400
Monel 400 consists of about 67% nickel and 33% copper, along with small amounts of iron and manganese. Monel 400 stands out for its excellent resistance to seawater, acids, and alkalis. It also remains ductile and weldable even when the temperature falls below freezing.
Chemical Composition (Nominal):
Ni – Approximately 67%, Cu – Approximately 30%, Fe – Approximately 2%, Mn – Approximately 1%
Key Properties:
- High tensile strength (> 550 MPa) and yield strength (> 300 MPa)
- Excellent resistance to seawater and brine corrosion
- Exceptional resistance to hydrofluoric and hydrochloric acids
- Maintains toughness and ductility from cryogenic to elevated temperatures
- Non-magnetic under typical operating conditions
Applications of MONEL 400
It is resistant to seawater corrosion, making it a popular choice for use in marine environments. It is often used in the construction of boats, ships, and other marine vessels, as well as in offshore oil and gas production
It is resistant to a variety of corrosive environments, including acidic solutions. This makes it a popular choice for use in chemical processing plants, where it is often used for piping, valves, and other process equipment.
It has a high strength-to-weight ratio, making it ideal for use in structural applications. It is often used in the construction of bridges, buildings, and other structures where strength and corrosion resistance are important.
It is resistant to corrosion from H2S, making it a popular choice for use in the oil and gas industry. It is often used in the production of oil and gas, as well as in the transportation of these materials.
It is often used in the aerospace industry due to its strength and corrosion resistance. It is used in the manufacture of aircraft and aerospace components, such as engine parts and structural components.
Related Specifications
SHEET & PLATE
Sheets and plates for high-temperature aerospace and industrial applications.
BARS & FORGINGS
Bars and forgings designed for high-strength, creep, and fatigue-resistant components.
WIRES
Wires designed for high-strength, creep, and fatigue-resistant components.
MONEL K-500
Certified Material for Critical Service
Monel 400 material from Fighter Jet Metals is:
- Certified to AMS 4544, AMS 4675, AMS 4730, ASTM B164, and QQ-N-281
- Supplied with complete Material Test Reports (MTRs) and heat traceability
- Processed under AS9100 & ISO 9001 quality systems
- Verified for aerospace, marine, and chemical processing service
This guarantees mechanical consistency, dimensional reliability, and corrosion performance across all supplied forms.