Rod nickel alloy VDM® 400

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VDM® Alloy 400 is a single-phase, solid solution, nickel-copper alloy with excellent corrosion resistance in a wide range of corrosive media. VDM® Alloy 400 is characterized by:  resistance against chloride-induced stress corrosion  excellent strength even at low application temperatures  easy processing compared to other high-alloy materials  approved for pressure vessels from -10 to 425 °C (14 to 797 °F) pursuant to VdTÜV Material Sheet 263 and up to 480 °C (896 °F) in accordance with ASME Boiler and Pressure Vessel Code. Mechanical properties The following mechanical properties of VDM® Alloy 400 apply to the described conditions and specifications in the specified semi-fabricated forms and dimensions (ref. chapter on ‘Availability’). The properties for larger dimensions have to be agreed upon separately. Corrosion resistance V DM® Alloy 400 has excellent resistance to neutral and alkaline salts and has long been the standard material for salt production systems. VDM® Alloy 400 is one of the few materials which can be used in contact with fluorine, hydrofluoric acid and hydrogen fluoride or their compounds. The material has a very high resistance to alkaline media. Its behavior in seawater is also excellent compared to copper-based alloys with an increased resistance to cavitation. VDM® Alloy 400 can be used in contact with highly diluted mineral acids, such as sulfuric and hydrochloric acid, provided that they are not ventilated. Since the alloy does not contain chromium, the corrosion rates can increase significantly under oxidizing conditions.