A903

Product Description

Components in the chemical industry, e.g. seperator and heat exchanger parts, in the paper industry, oil and gas production , compressor parts, seawater desalination plants.

Property Features

Stainless ferritic-austenitic Cr-Ni-Mo-steel with nitrogen addition. High corrosion resistance, especially against stress corrosion cracking in solutions containing chloride. Good strength properties. Resistant to intergranular corrosion in the temperature range up to 300°C. Heat treatment subsequent to welding not necessary. Surface condition for optimum corrosion resistance: pickled, heat treated free from scale or machined.

Technical Specifications

Material Numbers


1.4462 S31803 S32205 X2CrNiMoN22-5-3 AISI: F51


Standards


10088-3 F51 A182 A276 A479 STN: 17 381

Chemical Composition

0.02 0.60 1.30 22.80 3.20 5.80 0.17

Chemical composition (average %)

Available product shapes

  • Long Products
  • Round Bar

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