DX1803 – 1.4462

DX1803 – 1.4462

DX1803 – 1.4462

(South America offer) This duplex grade is known for its excellent corrosion resistance and a high yield strength.

Main features

The principal features of DX1803 are an excellent corrosion resistance, with a minimum PREN value of 33, twice as high yield strength as our 304 grade (1.4301) and a service temperature range from -40 °C to 300 °C. Delivered by Aperam South America.


  • Equipment and piping for the chemical industry, oil and gas
    industries and desalination plants
  • Heat exchanger
DX1803 – 1.4462


  • UNS S31803
  • EN 1.4462
  • IMDS ID 336853730

Chemical Composition

Typical values

  • C=0.017
  • Mn=1.7
  • Cr=22.62
  • Mo=2.66
  • Ni=5.45
  • N=0.156

Alphanumerical designation X2CrNiMoN22-5-3

Dimensional range

Coils, Sheets

  • Please consult us

Heavy Plates

  • Thickness: starting from 14 and up to 40 mm
  • Width: up to 1,300 mm

Surface aspects

  • Hot rolled & Cold rolled
  • NR1/1D, 2D, 2B

According to forms & dimensions.

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