CLARMHB3 Through hardening steels

  • Defense

Spécifications

  • EU
    33NiCrMoV15

Typical composition

  • C
    0,33
  • Ni
    3,5
  • Cr
    1,4
  • Mo
    0,5
  • V
    0,2
  • Mn
    0,2

Applications

• Large caliber gun barrels and accessories (breech rings, breech blocks, muzzle brakes, etc…).
• Pressure vessels.
• Mechanical parts in the range of YS 1200 to 1300 N/mm2.

Mechanical properties

• High mechanical characteristics.
• Good impact strength at low temperature.
• High level of hardenability in water and oil.
• Good characteristics at high temperatures.
• Good temper resistance.

Mechanical features

Heat treatmentUTS (N/mm²)A (%)
T + Rv 615°C132514
T + Rv 560°C142011
  • Solution treated : H
    Annealed : R
  • Thermo-mechanical treatment : TM
    Quenched and tempered : T+RV
  • Sub-zero treatment : F
    Solution treated and aged : T+RV
CLARMHB3_GB
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See also