XD15NW Martensitic stainless steels

  • Aerospace

Spécifications

  • EU
    X40CrMoVN16-2
  • USA
    UNS:S42025

Typical composition

  • C
    0,42
  • Cr
    16
  • Mo
    1,8
  • V
    0,35
  • N
    0,2

Applications

• Bearings, bearing components, ball-screws.
• Spherical bearings.
• Valve seats.
• Guide collars.

Mechanical properties

• Consumable electrode remelted martensitic stainless steel combining remarkable corrosion resistance with a very high level of hardness (>440C).
• The well-balanced composition provides a structure free from coarse carbides resulting in excellent fatigue resistance.

Mechanical features

  • Heat treatment
    T + F + Rv 180°C
  • Hardness HRC
    59
  • Solution treated : H
    Annealed : R
  • Thermo-mechanical treatment : TM
    Quenched and tempered : T+RV
  • Sub-zero treatment : F
    Solution treated and aged : T+RV
XD15NW_FR
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See also

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