Stock Grades/Specifications

Alloy 400 -N04400

• Alloy 400 (UNS N04400) is a single-phase solid-solution nickelcopper alloy with excellent corrosion resistance to a wide range of media. This alloy is characterised by:
  • • corrosion resistance in a wide range of marine and chemical environments
  • • freedom from chloride induced stress-corrosion cracking
  • • good mechanical properties from sub-zero temperatures up to about 550°C (1020°F)
  • • approval for pressure vessels with wall temperatures from -10 to 425°C (14 to 800°F) according to VdTÜV-Wbl.263 and up to 900°F (480°C) according to ASME Boiler and Pressure Vessel Code
  • • good workability and weldability
  Designation and Standards
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