Monel 505 Round Bar – Trusted China Manufacturer

Monel 505 Round Bar, a high-strength nickel-copper alloy with excellent corrosion resistance and mechanical properties, is ideal for applications in challenging environments, such as marine engineering, chemical processing, and nuclear power plants. It is derived from Monel K-500 through the addition of aluminum and titanium, enhancing its robustness and durability.

Price: Contact Us for a Custom Quote

The pricing of Monel 505 Round Bar varies depending on size, customization, and quantity. Contact us now for competitive factory pricing and detailed quotations tailored to your project needs.

Specifications

Our China factory provides a range of customizable specs for Monel 505 Round Bar to meet your project requirements:

  • Diameter: 3 mm – 200 mm (custom diameters available)
  • Length: 1000 mm, 3000 mm, 6000 mm, or cut to request
  • Surface Finish: Polished, mill, turned, or ground
  • Tolerance: ±0.04 mm (diameter), ±1 mm (length)
  • Standards: ASTM B164, ASME SB164 (adapted)

Key Features (Advantages)

  • Superior Strength: Precipitation-hardened for enhanced tensile and yield strength.
  • Exceptional Corrosion Resistance: Resilient in environments with hydrochloric acid, hydrofluoric acid, and seawater.
  • High Durability: Performs reliably under high-pressure and high-temperature conditions.
  • Enhanced Fatigue Resistance: Withstands repeated mechanical stress, extending operational life.

Applications

Monel 505 Round Bar is engineered for demanding industries, including but not limited to:

  • Marine Engineering: Propeller shafts, valves, and pump parts.
  • Chemical Processing: Heat exchangers, storage tanks, and processing equipment.
  • Oil & Gas: Pipeline components, well tools, and valve trims.
  • Nuclear Industry: Uranium refining and equipment for isotope separation.

Chemical Composition

ElementPercentage (%)
Nickel (Ni)63.0–67.0
Copper (Cu)28.0–33.0
Aluminum (Al)2.3–3.15
Titanium (Ti)0.35–0.85
Iron (Fe)≤2.0
Manganese (Mn)≤1.0
Sulfur (S)≤0.01
Carbon (C)≤0.10
Silicon (Si)≤0.5

Mechanical Properties

PropertyValue
Tensile Strength490 - 630 MPa
Yield Strength175 - 290 MPa
Elongation32 - 48%
Hardness (HB)110 - 150

Chemical Properties

The Monel 505 Round Bar demonstrates outstanding chemical resistance capabilities:

  • Acids: Highly resistant to hydrofluoric, sulfuric, and hydrochloric acids. It performs exceptionally well in reducing environments.
  • Alkalis: Effectively withstands strong alkaline solutions, maintaining stability without degradation.
  • Seawater and Salts: Offers excellent protection against corrosion in marine settings, including brine and saltwater exposure.
  • Environmental Limits: While Monel 505 resists most acidic and alkaline conditions, prolonged exposure to oxidizing acids, such as nitric acid, may reduce its durability. For extended applications, avoid operating in temperatures above 600°C to preserve both mechanical integrity and corrosion resistance.

Things to Note (Limitations)

  • Temperature Limitations: Prolonged exposure above 600°C may impair mechanical and corrosion-resistant properties.
  • Oxidizing Environments: Not recommended for environments rich in nitric acid or other oxidizing agents.
  • Machining Requirements: Requires precise tooling to counteract work hardening during manufacturing.

Corrosion Data for Monel 505 Round Bar

EnvironmentChemical CompositionTemperature (°C)Corrosion Rate (mm/year)Resistance Level
SeawaterNaCl ~3.5%25<0.01Excellent
Hydrofluoric AcidHF 10%200.05 ± 0.01High
Sulfuric AcidH2SO4 85%500.2 ± 0.03Moderate
High-Temperature AirOxygen-rich atmosphere600<0.02Excellent
Chloride SolutionsNaCl 10%30<0.005Highly Resistant
Brine (High Flow)NaCl ~5%250.03Good, with reduced performance
Industrial WastewaterMixed acids and alkalis400.07 ± 0.02Moderate to High
Hydrochloric AcidHCl 5%250.1 ± 0.03Moderate

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

Best Welding and Manufacturing Practices

  • Welding: Monel 505 can be welded using common methods like GTAW and GMAW. Use matching nickel-based filler materials for the best results. Pre-heating is not typically required, though post-weld heat treatments can improve durability.
  • Forming: Ideal for both cold and hot forming. Perform hot forming at 870–900°C, and use stress-relieving treatments after forming to enhance strength.
  • Machining: Due to work hardening, ensure the use of sharp carbide tools, low cutting speeds, and adequate lubrication to achieve a smooth finish.

These practices ensure efficient handling and reliable performance in industrial applications.

What Customers Say About Our Monel 505 Round Bar

Daniel W.

We’ve relied on Monel 505 Round Bars for our pipeline tools. Their performance in high-pressure, corrosive environments has been unparalleled, making them our top pick!

Daniel W.

Oilfield Engineer

Emily R.

Outstanding corrosion resistance and high durability make this material ideal for marine pump shafts. Delivery was timely, and support was excellent.

Emily R.

Marine Contractor

Victor T.

Exceptional strength and accuracy! The bars we ordered have significantly improved the efficiency and safety of our chemical processing equipment.

Victor T.

Chemical Plant Manager

Frequently Asked Questions

Q: What differentiates Monel 505 Round Bar from Monel K-500?

A: Monel 505 builds on Monel K-500, with optimized aluminum and titanium content, enhancing its corrosion resistance and high-temperature stability.

Q: Can Monel 505 be customized?

A: Yes, various dimensions, finishes, and mechanical properties can be tailored to meet your application requirements.

Q: Which applications are best suited for Monel 505?

A: Its strength and corrosion resistance make it ideal for industries like marine, oil & gas, nuclear, and chemical processing.

A: Carbide tools and robust lubrication systems are crucial to counteract work hardening. Precise feed and speed settings are also necessary.

Q: Is Monel 505 suitable for high-temperature applications?

A: Yes, it performs reliably up to 600°C but may require additional safeguards in oxidizing environments.

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