ASTM B983 Monel K-500 Nickel Alloy Round Bar for Marine Applications
ASTM B983 Monel K-500 round bar is a nickel-copper high-temperature alloy with excellent strength and corrosion resistance, making it ideal for marine and chemical processing applications. This alloy is precipitation hardened with aluminum and titanium, significantly improving its mechanical properties beyond those of the comparable Monel 400 alloy.
Efficiency leap Precision and stability
Adopting high-performance integrated joints,the CRA series can increase the tempo by 25%,and the productivity can reach a new peak;the vibration suppression algorithm is upgraded to achieve a good anti-shaking effect;the full-parameter DH compensation algorithm and TrueMotion algorithm are supported,and the absolute positioning accuracy is 0.2 ~ 0.4 mm under the change of attitude movement,and the curved motion is precise and stable.
Monel K500 Bar Mechanical Properties
|
Density |
Melting Point |
Tensile Strength |
Yield Strength (0.2%Offset) |
Elongation |
|---|---|---|---|---|
|
8.44 g/cm3 |
1350 °C (2460 °F) |
Psi – 160000 , MPa – 1100 |
Psi – 115000 , MPa – 790 |
20 % |
Monel K500 Round Bar Chemical Composition
|
Grade |
Ni |
Fe |
C |
Mn |
Si |
Cu |
Al |
S |
Ti |
|---|---|---|---|---|---|---|---|---|---|
|
Monel K500 |
63.0 min |
0.5 – 2 |
0.25 max |
1.5 max |
0.5 max |
27.0 – 33.0 |
2.3 – 3.15 |
0.010 max |
0.35 – 0.85 |
Suitable for Marine Applications
Monel K-500 round bar combines high strength and corrosion resistance, making it an ideal choice for a variety of demanding marine and offshore applications.
Key Marine Applications:
Pump and Propeller Shafts: Monel K-500's high strength and low corrosion rate in fast-moving seawater make it a top choice for pump and propeller shafts in marine applications.
Fasteners and Springs: Monel K-500's resistance to chloride environments makes it an ideal choice for marine fasteners, springs, and bolts used in tidal and marine environments.
Marine Instrumentation: The alloy's non-magnetic properties are crucial for sensitive instruments, such as those used in oil well surveying and marine equipment.
Chain and Cable: Monel K-500 is used to manufacture high-strength, corrosion-resistant marine chains and cables.
Limitations in Marine Environments
While highly effective, Monel K-500 has some limitations that should be considered in specific marine conditions:
Stress Corrosion Cracking: In the age-hardened condition, K-500 is more susceptible to stress corrosion cracking than Monel 400 in certain environments.
Pitting in Still Water: In slow-moving or still seawater, the alloy may experience some initial pitting, but this attack generally decreases over time.
Higher Cost: As a specialty high-temperature alloy, it is significantly more expensive than standard alloys, making it best used in applications where its specific properties are critical.
ASTM B983 Specification
ASTM B983 is the standard specification covering high-strength seamless tubing made from specific nickel alloys. While Monel K-500 (UNS N05500) is a common material for round bar applications, ASTM B983 applies to tubing products, not necessarily round bar. The specification ensures that the material meets required standards for chemical composition, mechanical properties, and heat treatment. Monel K-500 bar and forgings often reference other specifications such as ASTM B865 and QQ-N-286.
Gnee Steel specializes in the production and sale of various nickel-based alloys, including Nickel 201, Nickel 202, Hastelloy C-276, Hastelloy C-22, Hastelloy B, Hastelloy C-4, Inconel Alloy 600, Inconel 625, Inconel 718, Inconel X-750, Incoloy Alloy 800, Incoloy 800H/HT, Incoloy 825, Monel Alloy 400, Monel K500, and high-temperature alloys. Gnee Steel's products are widely used in aerospace, chemical, electric power, automotive, and nuclear energy applications. We also offer customized alloy solutions tailored to customer needs. For alloy pricing inquiries or customized alloy solutions, please contact us for a quote at ss@gneesteel.com.
