VDM® Alloy 825 (2.4858/N08825)
VDM® Alloy 825 is a titanium-stabilized fully austenitic nickel-iron-chromium alloy with additions of copper and molybdenum. It is approved for pressure vessels.
Characteristics of VDM® Alloy 825
VDM® Alloy 825 (2.4858/N08825) is characterized by:
- High resistance to chloride-induced stress corrosion
- Good resistance to chloride-induced pitting and crevice corrosion
- Good resistance to oxidizing and non-oxidizing hot acids
Applications of VDM® Alloy 825
VDM® Alloy 825 is used in the oil and gas industry and in a wide variety of chemical processes. Typical application fields include:
- Pipes, tubes and fittings in the oil and gas extraction, e. g. in heat exchangers, evaporators, washers, immer- sion pipes in sea water cooled heat exchangers, offshore piping
- Components in sulfuric acid pickling plants like heating coils, vessels, boilers, baskets and chains
- Heat exchangers, evaporators, washers, immersion pipes in phosphoric acid production
- Food industry
Available product forms
You will find a detailed list about available product forms and sizes of VDM® Alloy 825 (2.4858/N08825) in our data sheet.
Additional information and links
AMPP Paper C2024-20983: On the sea water corrosion resistance of Alloy 825 CTP (UNS N08827), an improved version of Alloy 825 (UNS N08825) by Julia Botinha et al. - Copyright by AMPP
NACE Paper C2021-16395: Sensitization Resistance of Alloy UNS N08825 After Different Mill-Annealing Temperatures and Times by Julia Botinha et al. - Copyright by AMPP
NACE Paper C2021-16398: Alloy UNS N08827: A New and Advanced Version of Alloy UNS N08825 With Better Corrosion and Hot Cracking Resistance by Julia Botinha et al. - Copyright by AMPP
NACE Paper C2017-9459: The Sensitisation Behaviour of Alloy UNS N08825 After Heat Treatment as Used in Clad Materials by Helena Alves et al., Corrosion 2017- Copyright by AMPP
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