Application Segments

Oil & Gas/CPI

Melting Route


Property Features

Rustproof ferritic-austenitic steel (Super Duplex) Maximum corrosion resistance and good strength. Good weldability. Excellent resistance to general corrosion, stress-cracking corrosion, corrosion fatigue, pitting and contact corrosion, and erosion corrosion. Max. working temperature for long-term loading 280°C (brief overshoot of up to 300°C permissible).

Technical Specifications

Material Numbers

1.4410 S32750 X2CrNiMoN25-7-4 AISI: F53

Chemical Composition

0.02 0.25 0.55 25.80 3.40 7.00 0.55 0.30

Chemical composition (average %)

Available product shapes

  • Long Products
  • Plates
  • Semi-Finished Products / Billet
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