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Monel K500 Bar Manufacturer in China – High-Performance Nickel Alloy Solutions
The Monel K500 Bar is a high-performance nickel-copper alloy known for its exceptional strength, corrosion resistance, and durability in extreme environments. This alloy builds on the properties of Monel 400 by adding aluminum and titanium, which enhance its mechanical performance without compromising its resistance to corrosive media. As a trusted Monel K500 Bar manufacturer in China, we provide premium-quality bars widely used in the marine, chemical, and oil and gas industries.
Price: Contact Us for a Custom Quote
For the best pricing on Monel K500 Bar, we offer customized quotes tailored to your project requirements, ensuring competitive rates for price based on size, quantity, and delivery specifications.
Specifications of Monel K500 Bar
Our Monel Bar stock is available in various sizes and finishes to meet diverse industrial needs. Below are the typical specifications:
- Diameter Range: 5 mm to 500 mm
- Length: Up to 6 meters (custom lengths available)
- Surface Finish: Hot rolled, cold drawn, polished, or as per request
- Standards: ASTM B865, AMS 4676
- Shape Variants: Monel 500 round bar, square bar, hexagonal bar
- Tolerances: As per ASTM standards or customer specifications
Key Features (Advantages)
- Superior Strength: Offers higher tensile and yield strength compared to Monel 400.
- Corrosion Resistance: Exceptional resistance to seawater, acids, and alkalis.
- Non-Magnetic: Maintains non-magnetic properties even at low temperatures.
- Durability: Retains mechanical properties in extreme conditions, including sub-zero temperatures.
- Versatility: Available as Monel bar stock, suitable for various machining and fabrication processes.
Applications
Monel K500 Round Bar is a preferred material in industries requiring robust performance in harsh environments. Key applications include:
- Marine Engineering: Propeller shafts, pump components, and valve fittings.
- Oil & Gas: Drill collars, instrumentation, and downhole equipment.
- Chemical Processing: Equipment for handling acids, alkalis, and corrosive chemicals.
- Aerospace: Fasteners and springs exposed to high stress and corrosion.
- Electronics: Non-magnetic components for sensitive applications.
Chemical Composition
| Element | Percentage (%) |
|---|---|
| Nickel (Ni) | 63.0 min |
| Copper (Cu) | 27.0–33.0 |
| Aluminum (Al) | 2.3–3.15 |
| Titanium (Ti) | 0.35–0.85 |
| Iron (Fe) | 2.0 max |
| Manganese (Mn) | 1.5 max |
| Carbon (C) | 0.25 max |
| Sulfur (S) | 0.01 max |
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | 1100 MPa (min) |
| Yield Strength (0.2% offset) | 790 MPa (min) |
| Elongation | 20% (min) |
| Hardness (Brinell) | 300 HB (typical) |
| Density | 8.44 g/cm³ |
Chemical Properties
Monel K500 Rod exhibits excellent resistance to a wide range of corrosive environments:
- Acids and Alkalis: Resists sulfuric, hydrochloric, and hydrofluoric acids, as well as alkaline solutions.
- Seawater: Exceptional performance in marine environments, resisting pitting and crevice corrosion.
- Environmental Limits: Performs best in temperatures below 400°C (752°F); prolonged exposure to higher temperatures may reduce toughness.
Things to Note (Limitations)
While Monel K500 Bar is highly versatile, certain limitations should be considered:
- High Temperatures: Prolonged exposure above 400°C can lead to precipitation hardening, potentially reducing ductility.
- Sulfur-Rich Environments: Avoid use in environments with high sulfur content, as it may accelerate corrosion.
- Stress Corrosion Cracking: Susceptible in certain high-stress, chloride-rich environments; proper heat treatment can mitigate risks.
Corrosion Resistance Data
Monel K500 Rod provides outstanding resistance to various corrosive media:
- Atmospheric Corrosion: Excellent resistance in humid, salty air; ideal for coastal applications.
- Mild Chemical Corrosion: Performs well in dilute acids and alkaline solutions; corrosion rates typically below 0.1 mm/year in 5% sulfuric acid at room temperature.
- Seawater: Minimal pitting and crevice corrosion, with corrosion rates below 0.02 mm/year in stagnant seawater.
Welding and Manufacturing Tips
- Welding: Use TIG or MIG welding with matching Monel K500 filler metals. Preheating is not required, but post-weld heat treatment may enhance properties.
- Forming: Can be hot or cold worked; cold working enhances strength but requires intermediate annealing for complex shapes.
- Machining: Use carbide tools at low speeds with heavy feeds to manage work-hardening tendencies.
- Fabrication: Ideal for Monel 500 round bar applications requiring forging, rolling, or extrusion.
Customer Reviews
Frequently Asked Questions
Q1: What makes Monel K500 different from other nickel alloys like Inconel or Hastelloy?
A: Monel K500 is a nickel-copper alloy with added aluminum and titanium, offering a unique combination of high strength, excellent corrosion resistance, and non-magnetic properties. Unlike Inconel, which is designed for extreme high-temperature applications, or Hastelloy, which excels in highly acidic environments, Monel K500 is ideal for marine and chemical processing applications where strength and seawater resistance are critical.
Q2: Is Monel K500 Bar suitable for cryogenic applications?
A: Yes, Monel K500 Bar maintains its mechanical properties and toughness even at sub-zero temperatures, making it suitable for cryogenic applications. However, we recommend consulting with our technical team to ensure it meets your specific requirements.
Q3: What certifications or standards does your Monel K500 Bar comply with?
A: Our Monel K500 Bar complies with industry standards such as ASTM B865 and AMS 4676. Additionally, we provide material test certificates (MTC) with each shipment to ensure quality and traceability. If you require specific certifications for your project, please let us know, and we’ll work with you to meet those requirements.
Q4: Can Monel 500 round bar be welded easily, and what precautions should be taken?
A: Yes, Monel 500 round bar can be welded using TIG or MIG methods with matching Monel K500 filler metals. To avoid issues like cracking, ensure proper cleaning of the material before welding and consider post-weld heat treatment for stress relief. Our team can provide detailed welding guidelines upon request.
Q5: What surface finishes are available for Monel K500 Round Bar stock?
A: We offer Monel K500 Round Bar stock in various surface finishes, including hot rolled, cold drawn, polished, and custom finishes based on your requirements. Let us know your application, and we’ll recommend the best finish for optimal performance.
Q6: How does Monel K500 perform in high-salinity environments compared to stainless steel?
A: Monel K500 outperforms most stainless steels in high-salinity environments, such as seawater, due to its superior resistance to pitting and crevice corrosion. While stainless steel may corrode over time in such conditions, Monel K500 Bar maintains its integrity, making it a preferred choice for marine and offshore applications.