MP35N

Material Data Sheet

MP35N® is a multi-phase alloy containing Nickel, Cobalt, Chromium, and Molybdenum with a unique range of properties – ultra-high-strength, toughness, biocompatibility, and corrosion resistance. It is produced by vacuum induction melting and vacuum arc re-melting (VIM-VAR) and is then strengthened by work hardening and aging, giving hardnesss of up to 55-60 Rockwell C and strength levels as high as 260-300KSI.
MP35N® also has good ductility and toughness.

Due, to this unique combination of properties, MP35N® has many applications in such industries as oil and gas, aerospace, and medical. MP35N® can be effectively used at cryogenic temperatures without embrittlement and maintain its properties at temperatures up to 600°F. MP35N® is also suitable for medical implants and orthodontic/prosthetic devices.

MP35N® is able to resist corrosion to most mineral acid, hydrogen sulfide, and seawater environments while exhibiting excellent resistance to stress corrosion cracking and hydrogen embrittlement, even at high strength levels.

Chemical Composition
Element Content (%)
Nickel, Ni 35.0
Cobalt 35.0
Chromium, Cr 20.0
Molybdenum, Mo 10.0
Physical Properties
Properties Metric Imperial
Density 8.55 g/cc 0.309 lb/in3
Melting Point 1315-1440°C 2399-2620°F
Mechanical Properties
Properties Metric Imperial
Hardness, Rockwell B 90 90
Tensile Strength, Ultimate 896 MPa 130000 psi
Tensile Strength, Yield 379 MPa 55000 psi
Elongation at Break 65% 65%
Reduction of Area 75% 75%
Modulus of Elasticity 232.8 GPa 33760 ksi
Shear Modulus 68.8 GPa 9830 ksi
Applications
  • Cold environments
  • Medical Devices:
    • Pacing leads
    • Stylets
    • Catheters
    • Orthopedic cables
  • Marine Engineering
  • Aerospace Fasteners
  • Tie rods
  • Space shuttle structures
  • Chemical Processing
  • Cryogenic equipment
  • Oil & Gas Fasteners & Pins
  • Food Processing Environments
Specifications
  • AMS 5844
  • AMS 5845
  • ASTM F562
  • ISO 15156-3
  • (NACE MR 0175)
  • ISO 5832-6
  • GE-S400/S1000
  • SPS-M-663
  • RR SABRe Edition 2

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