MARVALX12H Stainless steels with structural hardening

  • Aerospace
  • Defense

Spécifications

  • EU
    X1CrNiMoAlTi12-10-2
  • USA
    UNS:S10120

Typical composition

  • C
    < 0.02
  • Ni
    10
  • Cr
    12
  • Mo
    2
  • Ti
    0,3
  • Al
    0,9

Applications

• Very heavily stressed parts requiring good corrosion resistance and very good mechanical properties.
• Aerospace industry.

Mechanical properties

• Precipitation hardened stainless steel of very high purity, vacuum melted and consumable electrode remelted.
• Excellent mechanical properties in the longitudinal and transverse directions.
• Excellent balance between strength, toughness and fatigue properties, especially at the 1400 N/mm2 strength level (>PH13-8Mo).
• Good resistance to corrosion and stress corrosion.
• Good weldability.

Mechanical features

  • Heat treatment
    H + V 540°C
    H + V 510°C
  • UTS (N/mm²)
    1440
    1570
  • A (%)
    10,5
    10
  • KV -60°C (J)
    60
    35
  • Solution treated : H
    Annealed : R
  • Thermo-mechanical treatment : TM
    Quenched and tempered : T+RV
  • Sub-zero treatment : F
    Solution treated and aged : T+RV
MARVALX12H_FR
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See also

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