MP35N alloy (UNS R30035) is a nickel-cobalt-chromium-molybdenum alloy known for its combination of ultra-high strength, corrosion resistance, and biocompatibility. It is widely used in medical implants, aerospace hardware, and oil & gas applications.
What Is MP35N?
MP35N is a multiphase alloy containing:
- Nickel
- Cobalt
- Chromium
- Molybdenum
The alloy is strengthened through cold working and aging treatments, producing strength levels exceeding many stainless steels and nickel alloys.
Key Benefits of MP35N
- Ultra-high strength
- Excellent corrosion resistance
- High fatigue resistance
- Outstanding stress corrosion cracking resistance
- Biocompatible for medical applications
- Non-magnetic alloy
Common Applications
- Medical implants
- Orthopedic devices
- Aerospace fasteners
- Springs
- Oil & gas components
- Marine hardware
MP35N vs Stainless Steel
Compared to traditional stainless steels:
- Higher strength
- Better corrosion resistance
- Better resistance to hydrogen embrittlement
- Superior performance in seawater and sour gas environments
Common Specifications
MP35N is commonly supplied to:
- AMS 5844
- AMS 5845
- ASTM F562
- UNS R30035
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