Monel 400

The Monel 400

Monel 400: Unyielding Strength, Unmatched Corrosion Resistance

Monel 400

A High Strength and Corrosion-Resistant Nickel-Copper Alloy

Monel 400 (UNS N04400) is a nickel-copper alloy known for its high strength and corrosion resistance. It finds extensive use in severely acidic and alkaline environments, making it ideal for various applications. Monel alloys are commonly employed in piping systems.

Superior Resistance to Steam and Seawater

These alloys demonstrate excellent resistance to steam and seawater. With high tolerance and excellent weldability, Monel is frequently utilized in marine applications such as manufacturing pump shafts and seawater valves. Its exceptional seawater resistance also makes it suitable for trolling wire.

Resistance to Hydrofluoric and Hydrochloric Acids

Monel exhibits particular resistance to hydrofluoric and hydrochloric acids when de-aerated. It may have slight magnetism at room temperature. Monel alloys offer better resistance than nickel under reducing conditions and surpass copper in oxidizing copper environments. They also display superior resistance to reducing media compared to oxidizing conditions. Additionally, Monel shows resistance to alkaline, neutral, and acidic salts, but it has poor resistance to oxidizing acid salts like ferric chloride.

Wide Range of Applications

This monel steel grade (ASTM B164 QQ-N-281 Din 17750) feature high thermal conductivity and good ductility, making them suitable for heavy-duty construction materials. These bars provide exceptional quality and can withstand high levels of pressure and weight. Even at sub-zero temperatures, Monel bars retain their superior mechanical properties.

Due to their unique and robust properties, alloy 400 bars are widely used in various applications, particularly in chemical and marine industries. They can also be applied in other contexts such as boiler feeds, heat exchangers, pickling bat heating coils, pumps and valves for chlorinated and more. 

Advantages of Monel 400 Bars

Monel steel bars have several advantages over other alloys. They are highly resistant to corrosion and oxidation, making them suitable for corrosive environments. Additionally, their high strength-to-weight ratio makes them ideal for heavy-duty applications. These bars are often preferred for marine applications due to their resistance to corrosion and oxidation.

Benefits of using alloy 400 include:

  1. High Resistance to Corrosion: alloy 400 bars contain a high nickel content, providing excellent resistance to corrosion.
  2. Strength and Lightweight: The monel steel is strong yet lightweight, exhibiting good ductility and toughness.
  3. Resistance to Friction and Wear: It displays excellent resistance to friction and wear.

Choose PGB for Your Monel 400 Bar Needs

You can purchase the monel alloy 400 from Precision Ground Bars. They offer excellent corrosion resistance, and high tensile strength, and are suitable for manufacturing valves, gears, bearings, fasteners, and other high-strength products.

Get quality monel steel bars from a trusted supplier. For more information about product availability, please contact us or request a free quote to discuss your application requirements today.


Fill out the form to get in touch with us.