MP35N Alloy

MP35N is a high-performance cobalt-nickel-chromium-molybdenum alloy offering extremely high strength, excellent corrosion resistance, fatigue resistance, and good elevated-temperature performance. Through cold working and aging, it can achieve exceptionally high mechanical strength, making it suitable for critical components in oil & gas, aerospace, medical, and high-reliability industrial applications.

Appearance & Properties

Color: Silver-gray to bright silver-gray

Density: Approx. 8.4 g/cm³

Tensile Strength: Can reach approx. 1,800–2,000+ MPa in strengthened conditions, depending on cold work and heat treatment

Corrosion Resistance: Excellent

Machinability: Very Difficult

Fatigue Resistance: Excellent

Strength: Extremely High

Toughness: Good

Magnetism: Essentially non-magnetic

Surface Finishes: Polishing, grinding, passivation, PVD coating, etc.

Typical Applications

MP35N is widely used in oil and gas, aerospace, medical devices, chemical processing, marine engineering, and high-performance industrial equipment.

Typical parts include high-strength fasteners, springs, valve components, downhole oilfield tools, medical implant components, connectors, and high-strength corrosion-resistant precision CNC parts.

Advantages

• Extremely high mechanical strength

• Excellent corrosion resistance

• Excellent fatigue and stress-corrosion resistance

• Good elevated-temperature mechanical performance

• Suitable for critical high-load, high-reliability components

Limitations

• Extremely difficult to CNC machine

• Strong tendency to work harden

• High cutting-tool wear and relatively low machining efficiency

• Very high material and machining costs