MP35N® Alloy

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MP35N® Alloy

Here at Best Stainless, we provide the MP35N® alloy in round bar. MP35N® is a nickel-cobalt base alloy of the Multiphase alloy systems that has a unique combination of properties ultra high strength, toughness, ductility and outstanding corrosion resistance.

MP35N® excellent resistance to stress and crevice corrosion makes it a suitable fastener material. It is also capable of resisting corrosion in chloride solutions and an array of inorganic acids, and is resistant to sulfidation, high temperature oxidation, and hydrogen embrittlement.  These attributes make it suitable for use in very harsh environments, and in marine, petrochemical, and medical applications.

This alloy is typically cold worked and then age hardened to achieve your desired properties.  The temperature of the aging treatment varies depending on the degree of cold-working performed, as well as the desired degrees of corrosion resistance versus strength in the final product.  Elevated or depressed temperatures can cause a reduction in strength. Consult Best Stainless for more information on the optimum amount of cold-working and age hardening for a given use.  We are happy to undertake these value added services ourselves in order to save our customers time and worry. 

MP35N® Alloy 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

MP35N® Composition

  • Carbon 0.02
  • Phosphorus 0.015
  • Silicon 0.15
  • Nickel 37.00
  • Cobalt Balance
  • Boron 0.010
  • Manganese 0.15
  • Sulfur 0.010
  • Chromium 21.00
  • Molybdenum 10.50
  • Titanium 1.00
  • Iron 1.00

MP35N® Stainless Steel Industry Standards

  • 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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