X18PA Austenitic stainless steels

  • Aerospace

Spécifications

  • Common name
    321
  • EU
    X6CrNiTi18-10
  • USA
    UNS:S32100
    AISI:321

Typical composition

  • C
    < 0.08
  • Ni
    11
  • Cr
    18
  • Ti
    > 5 x C

Applications

• Industries: aerospace, chemical, electrical, marine, nuclear, oil industries.
• Various mechanical parts.

Mechanical properties

• Titanium stabilised austenitic stainless steel.
• Good resistance to intercrystalline corrosion.
• Good resistance to high temperature oxidation up to 800°C.
• Good weldability.

Mechanical features

  • Heat treatment
    H
  • UTS (N/mm²)
    600
  • A (%)
    50
  • KCU (J/cm²)
    190
  • Solution treated : H
    Annealed : R
  • Thermo-mechanical treatment : TM
    Quenched and tempered : T+RV
  • Sub-zero treatment : F
    Solution treated and aged : T+RV
X18PA_FR
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See also

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