Home | Products | MARVAL18 – Maraging steels

MARVAL18 Maraging steels

  • Aerospace
  • Defense
  • Transportation

Spécifications

  • Common name
    Maraging 250
  • EU
    X2NiCoMo18-8-5
  • USA
    UNS:K92890

Typical composition

  • C
    0,03
  • Ni
    18
  • Mo
    5
  • Ti
    0,5
  • Co
    8

Applications

• Aerospace industry:
High strength parts:
– Structural components
– Welded assemblies
– Deck landing hooks
– Rocket motor bodies
– Defence components
– Fasteners.

Mechanical properties

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

Mechanical features

  • Heat treatment
    H
    H + V 480°C
  • UTS (N/mm²)
    1070
    1850
  • A (%)
    14
    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
MARVAL18_FR-1
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See also

819AW

  • Aerospace
  • Defense
  • Tooling
  • Transportation
Through hardening steels
  • Gun barrels
  • Missiles
  • Plastic
  • Polishing
  • Transmission system
Spécifications
  • EU : 35NiCrMo16
  • USA : UNS : K57034
Heat treatment
  • T + F + Rv 200°C
  • T + Rv 650°C
Read more
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