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MP35N®

UNS #R30035

MP35N® is a nonmagnetic, nickel-cobalt-chromium-molybdenum alloy possessing a unique combination of ultra-high tensile strength up to 300 ksi (2068 MPa), good ductility and toughness, and excellent corrosion resistance. In addition, this alloy displays exceptional resistance to sulfidation, high-temperature oxidation, and hydrogen embrittlement.

The unique properties of MP35N® are developed through work hardening, phase transformation, and aging. If the alloy is used in the fully work hardened condition, service temperatures up to 750°F (399°C) are suggested.

MP35N® is produced by vacuum induction melting (VIM), followed vacuum arc remelting (VAR).

MP35N® is a registered trademark of SPS Technologies, Inc.

Type Analysis

  • Carbon (Maximum) 0.025
  • Phosphorus (Maximum) 0.015
  • Silicon (Maximum) 0.15
  • Nickel (Nominal) 33.00-37.00
  • Manganese (Maximum) 0.15
  • Sulfur (Maximum) 0.010
  • Chromium (Nominal) 19.00-21.00
  • Cobalt (Nominal) Balance
  • Molybdenum (Nominal) 9.00-10.50
  • Iron (Maximum) 1.00
  • Boron (Maximum) 0.015
  • Titanium (Maximum) 1.00

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Applications

Applicable Specifications

  • AMS 5758
  • AMS 5845
  • AMS 5844
  • ANSI/ASTM F562

Bar

Rounds

Billet

Strip

Wire

Rod

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