Home | Products | ML18PQ – Maraging steels

ML18PQ Maraging steels

  • Aerospace

Spécifications

  • EU
    X2NiCoMo18-8-5
  • USA
    UNS:K92890

Typical composition

  • C
    <0.03
  • Ni
    18
  • Mo
    5
  • Ti
    0,5

Applications

• High strength and fatigue stressed rotation parts, mainly used for turbine shafts, compressor shafts.

Mechanical properties

• Precipitation hardened margaging steel vacuum melted and consumable electrode remelted
• High yield strength and good impact strength
• Good weldability, high cycle fatigue
• Surface hardening by nitriding is possible.

Mechanical features

  • Heat treatment
    H + V 480°C
  • UTS (N/mm²)
    1850
  • A (%)
    9
  • KCU (J/cm²)
    40
  • Solution treated : H
    Annealed : R
  • Thermo-mechanical treatment : TM
    Quenched and tempered : T+RV
  • Sub-zero treatment : F
    Solution treated and aged : T+RV
ML18PQ_FR
Download (PDF, 390 KB)

See also

ML340

  • Aerospace
  • Defense
  • Transportation
Maraging steels
  • Aero engine
  • High tensile strength
  • Shaft
  • Transmission system
  • Very high mechanical properties
Spécifications
  • EU : X23NiCoCrMoAl13-6-3
Heat treatment
  • H + V 495°C
Read more
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