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Alloy Portfolio

Nickel K500

Overview

Monel K500 is a precipitation-hardening nickel-copper alloy that offers a combination of corrosion resistance, high-strength properties, and excellent fatigue resistance. It is an extension of the Monel 400 alloy with added aluminum and titanium for precipitation hardening. Monel K500 is known for its resistance to a variety of corrosive environments, making it suitable for applications in marine, chemical processing, and aerospace industries.

Key Characteristics of Nickel K500:

  1. Corrosion Resistance: Monel K500 provides good corrosion resistance in a wide range of environments, including seawater, acids, and alkaline solutions.
  2. High Strength: The alloy exhibits high strength and hardness due to precipitation hardening, making it suitable for applications requiring robust mechanical properties.
  3. Fatigue Resistance: Monel K500 has excellent fatigue resistance, making it suitable for components subjected to cyclic loading in applications such as springs and fasteners.
  4. Good Weldability: Monel K500 is easily weldable using standard welding techniques, allowing for efficient fabrication and repair.
  5. Non-magnetic Properties: The alloy maintains non-magnetic properties at sub-zero temperatures, providing versatility in various applications.
  6. High-Temperature Performance: Monel K500 retains its strength and corrosion resistance at elevated temperatures, making it suitable for high-temperature applications.

Applications of Nickel K500:

  1. Marine Applications: Monel K500 is commonly used in marine environments for applications such as pump and valve components, fasteners, and propeller shafts.
  2. Oil and Gas Industry: It finds applications in the oil and gas sector, including downhole equipment, pump components, and valve components, particularly in corrosive environments.
  3. Aerospace Industry: Monel K500 is utilized in aerospace applications for components like springs and fasteners due to its high-strength and fatigue resistance.
  4. Chemical Processing: The alloy is employed in the chemical processing industry for equipment such as valves, pumps, and heat exchangers, where resistance to corrosive chemicals is essential.
  5. Springs and Fasteners: Monel K500 is widely used in the production of springs, fasteners, and other components subjected to high-stress and fatigue conditions.
Here is the chemical composition of Monel K500, presented in a tabular format
  • Nickel

    (Ni)

    63.0% min

  • Copper

    (Cu)

    27.0% - 33.0%

  • Aluminum

    (Al)

    2.30% - 3.15%

  • Titanium

    (Ti)

    0.35% max

  • Iron

    (Fe)

    2.0% max

  • Manganese

    (Mn)

    1.5% max

  • Silicon

    (Si)

    0.5% max

  • Carbon

    (C)

    0.25% max

  • Sulfur

    (S)

    0.01% max

Here are the typical mechanical properties of Monel K500, presented in a tabular format:
Property Value
Tensile Strength 758 MPa (110,000 psi) minimum
Yield Strength (0.2% offset) 379 MPa (55,000 psi) minimum
Elongation 20% minimum
Hardness (Brinell) 150 - 280 HB
Modulus of Elasticity 179 GPa (26,000 ksi)