MY19 Maraging steels

  • Defense

Spécifications

  • Common name
    Maraging 300
  • EU
    X2NiCoMo18-9-5
  • USA
    UNS:K93120

Typical composition

  • C
    ≤ 0.010
  • Ni
    18
  • Mo
    4,9
  • Ti
    0,7
  • Co
    8,75
  • Al
    0,1

Applications

• Structural parts.
• Rocket motor bodies for missiles.
• Centrifuge components.

Mechanical properties

• Very low carbon maraging steel containing Ni, Co, Mo and Ti, vacuum melted and consumable electrode remelted.
• High proof stress and good toughness.
• Excellent weldability.

Mechanical features

  • Heat treatment
    H
    H + V 480°C
  • UTS (N/mm²)
    1070
    2050
  • A (%)
    14
    8,5
  • KV -60°C (J)
    25
  • Solution treated : H
    Annealed : R
  • Thermo-mechanical treatment : TM
    Quenched and tempered : T+RV
  • Sub-zero treatment : F
    Solution treated and aged : T+RV
MY19_FR
Download (PDF, 405 KB)

See also

This site is registered on wpml.org as a development site. Switch to a production site key to remove this banner.