Product Description

Production of sulphuric, phosphoric and acetic acids, petrochemical industry, artificial fertilizer, food processing and pharmaceutical industries, seawater desalinization plants.

Property Features

Austenitic Ni-Cr-Mo-Cu-steel with low carbon content which resists intergranular corrosion in the temperature range up to 400°C. No post-weld heat treatment required. Possesses very good resistance to sulphuric acid of any concentration up to about 60°C, as well as to phosphoricc acid and organic acids. Excellent resistance to stress corrosion cracking, and to pitting and crevice corrosion in media containing chloride ions. For optimum resistance, surfaces should be pickled.

Technical Specifications

Material Numbers

1.4539 N08904 X1NiCrMoCu 25-20-5



Available product shapes

  • Semi-Finished Products / Billet

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