Stainless steel

Cronidur 30

Nitrogen-doped martensitic stainless steel. Its PESR elaboration and its high nitrogen content gives it a hardness of 60 HRC and an excellent tenacity and corrosion resistance.

Suitable for the manufacture of ball bearings, medical, surgical and dental instruments hardware products, cutlery components for the food and chemical industries.

Key benefits

  • Excellent tenacity

  • Corrosion resistance.

Standards

  • ASTM F899

Forms available in stock

Diameters
  • 6 to 80 mm
Dimensions
  • 3000 mm approx.

Standards

  • AMS 5898

Forms available in stock

Diameters
  • 6 to 80 mm
Dimensions
  • 3000 mm approx.

Forms available on demand

Dimensions
  • On demand

Chemical composition

C
  • 0.25% min
  • 0.35% max
Si
  • 0% min
  • 1.0% max
Ni
  • 0% min
  • 0.5% max
Mn
  • 0% min
  • 1.0% max
Cr
  • 14.0% min
  • 16.0% max
Mo
  • 0.85% min
  • 1.10% max
N
  • 0.30% min
  • 0.50% max
Fe
  • Solde
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Mechanical properties

Hardness - Annealed state
200/240 HB
Hardness - After quench
58/60 HRC