Home | Products | ML340 – Maraging steels

ML340 Maraging steels

  • Aerospace
  • Defense
  • Transportation

Spécifications

  • EU
    X23NiCoCrMoAl13-6-3

Typical composition

  • C
    0,23
  • Ni
    13
  • Cr
    3,25
  • Mo
    1,5
  • V
    0,25
  • Co
    6
  • Al
    1,5

Applications

• Aerospace applications including shafts, heavily loaded parts, fasteners.
• Nitriding parts.

Mechanical properties

• Duplex hardening type steel, vacuum melted and consumable electrode remelted grade.
• Very high ultimate and yield strength steel with high toughness.
• Surface hardening by nitriding is possible.

Mechanical features

  • Heat treatment
    H + V 495°C
  • UTS (N/mm²)
    2220
  • A (%)
    10
  • KV -60°C (J)
    24
  • Solution treated : H
    Annealed : R
  • Thermo-mechanical treatment : TM
    Quenched and tempered : T+RV
  • Sub-zero treatment : F
    Solution treated and aged : T+RV
ML340_FR
Download (PDF, 318 KB)

See also

ML18PQ

  • Aerospace
Maraging steels
  • Aero engine
  • High tensile strength
  • Shaft
  • Very high mechanical properties
Spécifications
  • EU : X2NiCoMo18-8-5
  • USA : UNS:K92890
Heat treatment
  • H + V 480°C
Read more
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