Monel 400 Tube

• Corrosion Resistance: Performs well in seawater and many chemical environments.

• High Strength: Suitable for demanding industrial service.

• Nickel-Copper Alloy: Provides a balance of strength and corrosion resistance.

• Temperature Performance: Maintains useful properties across a broad temperature range.

• Fabrication: Can be formed and machined using appropriate procedures.

• Custom Sourcing: Dimensions, lengths, and specifications may be requested.

Property	Typical Information
Product Name	Monel 400 Tube
Alloy Designation	Monel 400
UNS Number	N04400
Common Standard	ASTM B165 for seamless pipe and tube
Material Type	Nickel-copper alloy
Nickel Content	Approximately 63% minimum
Copper Content	Approximately 28–34%
Iron Content	2.5% maximum
Manganese Content	2.0% maximum
Carbon Content	0.30% maximum
Density	Approximately 8.80 g/cm³
Melting Range	Approximately 1,300–1,350°C
Tensile Strength	Typically around 480 MPa minimum for common annealed product conditions; standard-dependent
Corrosion Resistance	Excellent in seawater and many alkaline environments
Tube Type	Seamless or welded, subject to specification
Surface Finish	As manufactured or specified
Dimensions	Outside diameter, wall thickness, and length as specified

• Monel 400 Seamless Tube: For pressure-containing and demanding industrial applications where specified.

• Monel 400 Welded Tube: For applications where welded construction meets the project requirements.

• Annealed Monel 400 Tube: For applications requiring improved ductility and formability.

• Custom-Specified Monel 400 Tube: Sourced to required dimensions, lengths, standards, and testing documentation.

1. What is Monel 400 tube?

Monel 400 tube is tubing manufactured from a nickel-copper alloy designated UNS N04400. It is known for corrosion resistance, strength, and suitability for marine and chemical-processing environments.

2. What is Monel 400 tubing used for?

Monel 400 tubing is used in marine systems, heat exchangers, chemical-processing equipment, fluid-handling systems, and industrial applications requiring corrosion-resistant nickel-copper alloy tubing.

3. Is Monel 400 tube resistant to seawater?

Yes. Monel 400 generally offers excellent resistance to seawater corrosion, although performance depends on flow velocity, temperature, aeration, deposits, and operating conditions.

4. What standards apply to Monel 400 tube?

ASTM B165 is a commonly specified standard for seamless nickel-copper alloy pipe and tube. Other requirements may apply depending on the product type and project specification.

5. Is Monel 400 tube available in custom dimensions?

Yes. Tubes may be sourced in different outside diameters, wall thicknesses, and lengths, subject to supplier availability and applicable manufacturing standards.

6. Can REG Metals supply Monel 400 tubes with material certification?

REG Metals can assist with sourcing tubes with applicable material test reports and certificates of analysis, subject to supplier documentation and purchase requirements.