Stainless steel, acid-resistant steel and heat-resistant steel

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Seamless stainless tubes and hollow bars in super duplex grade

Stainless steel S32750
Type: Super duplex
AISI: A276 / EN: 1.4410

Super duplex steel S32750 is an alloy of iron, chromium, molybdenum and nickel with the addition of copper and solder. It is an alloy with high corrosion resistance and mechanical strength that is used in various industrial applications such as:

  • Chemical industry: sulphuric acid tanks, petrochemical industry, pipelines and seawater drainage systems, fittings, heat exchangers
  • Food industry: tanks and pipelines for food processing
  • Paper industry: machine parts, rollers and cylinders
  • Energy industry: water and steam turbine parts, gas transport pipelines

Corrosion properties:

  • Resistance to pitting corrosion in chlorine-containing environments
  • Corrosion resistance in seawater and organic acids
  • Resistance to corrosion caused by sulphuric and phosphoric acids
  • Corrosion resistance in contact with nitric acid 
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