Alloy 3620 Nb is used in a wide variety of applications up
to temperatures of approximately 500 °C (930 °F).

Typical applications are:

• equipment for the manufacture of sulphuric acid and for processes based on sulphuric acid.
• extraction columns in the production of amines and the processing of pharmaceuticals.
• production of plastics and synthetic fibres.
• equipment for food processing to protect against contamination
• Stress corrosion cracking resistant compensators
• Furnace linings

Nicrofer 3620 Nb is a low carbon, niobium stabilised austentic nickel-iron-chromium alloy with alloying additions of copper and molybdenum.

Nicrofer 3620 Nb is characterized by:

• Excellent resistance to sulphuric and phosphoric acids.
• Good resistance to inter-granular corrosion.
• Very good resistance to chloride-ion induced stress-corrosion cracking.
• Good resistance to pitting and crevice corrosion.
• Good mechanical properties at both ambient and elevated temperatures, up to approximately 500 °C (930 °F).