Cobalt-Based Alloys

Cobalt Alloys (2.4711 / Elgiloy, MP35N, CCM (Cr-Co-Mo), 2.4964 (Cr-Ni-W-Co)) – High-Strength Materials for Extreme Conditions

General Technical Characteristics

Cobalt alloys such as Elgiloy, MP35N, CCM, and 2.4964 are known for their high strength, wear resistance, and corrosion resistance, even in extreme conditions. They retain their mechanical properties at high temperatures, making them indispensable for applications in aggressive environments.

Key Features:

• High strength and hardness.
• Corrosion resistance in acidic and alkaline environments.
• Retention of properties at temperatures up to 600–800 °C.
• Excellent fatigue strength and wear resistance.

Chemical Composition

Each of these alloys has a unique chemical composition, defining its properties:

Elgiloy (2.4711):

• Cobalt (Co): 39–41%
• Chromium (Cr): 19–21%
• Nickel (Ni): 14–16%
• Molybdenum (Mo): 6–8%
• Manganese (Mn): 1.5–2.5%
• Carbon (C): up to 0.15%

MP35N:

• Cobalt (Co): 35%
• Nickel (Ni): 35%
• Chromium (Cr): 20%
• Molybdenum (Mo): 10%

CCM (Cr-Co-Mo):

• Cobalt (Co): 60–65%
• Chromium (Cr): 25–30%
• Molybdenum (Mo): 5–7%

2.4964 (Cr-Ni-W-Co):

• Cobalt (Co): 45–50%
• Chromium (Cr): 18–22%
• Nickel (Ni): 15–20%
• Tungsten (W): 3–5%

Mechanical Properties

Cobalt alloys possess outstanding mechanical properties:

• Hardness: 300–400 HV (after heat treatment).
• Tensile Strength: 1000–1500 MPa.
• Yield Strength: 800–1200 MPa.
• Impact Toughness: 50–100 J/cm².
• Elongation: 10–20%.

These properties make cobalt alloys ideal for use in high-load and aggressive environments.

Applications

Cobalt alloys are widely used across various industries:

Medical Industry:

• Implants (stents, orthopedic prosthetics).
• Surgical instruments.

Aerospace Industry:

• Engine and turbine components.
• Parts operating at high temperatures.

Energy Sector:

• Components for nuclear and thermal power plants.
• Corrosion- and wear-resistant components.

Chemical Industry:

• Equipment for handling aggressive environments.
• Pumps, valves, and seals.

Features

Cobalt alloys have several unique characteristics:

• High corrosion resistance: Resistant to acids, alkalis, and salts.
• Heat resistance: Maintain properties at temperatures up to 800 °C.
• Biocompatibility: Elgiloy and MP35N alloys are widely used in medicine due to non-toxicity.
• Durability: Resistant to wear and fatigue loads, which extends product lifespan.

Why Choose Cobalt Alloys?

Cobalt alloys combine high strength, corrosion resistance, and heat resistance. They are perfect for applications requiring reliability and durability in extreme conditions.

Order Cobalt Alloys (Elgiloy, MP35N, CCM, 2.4964) Now and get high-quality materials with a manufacturer’s guarantee!

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