Monel 405 Rod – High-Performance Alloy from China Manufacturer

The Monel 405 Rod, also known as Monel 405 Round Bar, is a nickel-copper alloy engineered for superior corrosion resistance and machinability. Produced by a leading Chinese manufacturer, this alloy is ideal for marine, chemical, and industrial applications where durability and resistance to harsh environments are critical.

Price: Contact Us for a Custom Quote

The pricing of Monel 405 Rod depends on dimensions, quantity, and customization requirements. For precise quotes and competitive offers, contact us directly. Unlock exclusive factory pricing for bulk orders now!

Specifications

Our Monel 405 Rods are manufactured with precision to meet strict industry standards.

  • Diameter: 3 mm to 600 mm (custom sizes available)
  • Length: 0.5 m to 6 m (custom lengths available)
  • Surface Finish: Black, polished, or customized
  • Standards: ASTM B164, ASME SB 164, Federal QQ-N-281, MIL-N-894

Key Features (Advantages)

  • Enhanced Machinability: Optimized for automatic screw machining with sulphur inclusions ensuring easier processing.
  • Corrosion Resistant: Outstanding defense against seawater, brine, sulfuric acid, and hydrofluoric acid.
  • High Strength and Thermal Stability: Performs reliably under high pressure and temperatures up to 480°C.
  • Wide Compatibility: Adaptable for various applications, with excellent dimensional and structural accuracy.

Applications

The Monel 405 Rod is widely used in industries such as:

  • Marine: Propeller shafts, pump components
  • Chemical Processing: Valves, fittings, and heat exchangers
  • Oil and Gas: Downhole equipment and piping systems
  • Manufacturing: Precision machined parts

Chemical Composition

ElementPercentage (%)
Nickel (Ni)63.0 min
Copper (Cu)28.0–34.0
Iron (Fe)2.5 max
Sulfur (S)0.025–0.060
Manganese (Mn)2.0 max
Carbon (C)0.3 max
Silicon (Si)0.5 max

Mechanical Properties

PropertyValue
Tensile Strength480 - 620 MPa
Yield Strength170 - 275 MPa
Elongation35 - 50%
Hardness (HB)110 - 150

Chemical Properties

The Monel 405 Rod offers robust resistance to various chemicals:

  • Acids: Excels in sulfuric and hydrochloric acids at moderate concentrations.
  • Alkalies: Highly resistant to alkaline solutions, including sodium hydroxide.
  • Seawater: Performs well in saline environments with minimal pitting.
  • Environmental Limits: Avoid prolonged exposure to highly oxidizing acids (e.g., nitric acid) or temperatures above 500°C to prevent degradation of corrosion resistance.

Things to Note (Limitations)

  • Temperature Limit: Avoid use above 500°C to maintain corrosion resistance.
  • Oxidizing Acids: Unsuitable for nitric acid or highly oxidizing environments.
  • Machining: Use coolant to prevent work hardening during machining.

Corrosion Data for Monel 405 Rod

EnvironmentTest ConditionsCorrosion Rate (mm/year)Observations
Seawater1-year exposure, 25°C0.001Minimal pitting, excellent performance
Sulfuric Acid10% H₂SO₄, 500 hours, 20°C0.005Slight surface etching, suitable for short-term use
Sodium Hydroxide5% NaOH, 24 hours, 20°C0.002No visible degradation, high resistance
Nitric Acid5% HNO₃, 24 hours, 20°C0.050Significant corrosion, not recommended
Atmospheric (Coastal)1-year exposure, 25°C, 70% RH0.003Negligible tarnishing, no pitting

Contact us for detailed corrosion resistance data specific to your application.

Best Welding and Manufacturing Practices

  • Welding: Due to the sulfur content in Monel 405, welding is generally not recommended. For projects where welding cannot be avoided, consult with an expert and consider alternative nickel-copper alloys with better weldability, such as Monel 400.
  • Forming: Monel 405 can be shaped through conventional cold-forming techniques, including rolling or bending. Moderate forming is achievable, but pre-heating or stress relieving may be required for complex shapes.
  • Machining: Optimized for machining, Monel 405 performs exceptionally well in automatic screw machines. Its sulfur inclusions act as natural chip breakers, enhancing efficiency. High-speed carbide tooling and proper lubrication are recommended to ensure smooth cutting.

These attributes make Monel 405 a reliable choice for high-production machining environments and critical industrial components.

What Customers Say About Our Monel 405 Rod

James P.

The Monel 405 Rods delivered exceptional machinability on our automatic lathes. High precision and consistency across the batch made production seamless. We're impressed by the reliable quality and timely delivery.

James P.

Engineer

Sophia L

These rods are perfect for high-corrosion environments. The dimensional accuracy and surface finish exceeded expectations. Customer service was professional, with quick responses to all customization requests.

Sophia L.

Procurement Manager

Ahmed K.

Outstanding durability and performance in seawater applications. We've seen improved efficiency in pump components. Trustworthy supplier with great technical knowledge and industry expertise.

Ahmed K.

Marine Equipment Manufacturer

Frequently Asked Questions

Q: How is Monel 405 different from Monel 400?

A: Monel 405 has added sulfur, improving machinability while maintaining strength and corrosion resistance similar to Monel 400.

Q: What customization options are available?

A: We provide diameter adjustments, length variations, and surface finishes tailored to your requirements.

Q: Which industries utilize Monel 405 Rod?

A: Key industries include marine, chemical processing, oil and gas, and nuclear energy.

Q: What are its temperature limits?

A: Monel 405 remains stable up to 480°C, performing reliably under high-temperature conditions in controlled environments.

Q: Is it suitable for highly corrosive environments?

A: Yes, Monel 405 provides excellent resistance to corrosive chemicals like de-aerated acids, though additional coatings might be needed in extreme conditions.

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