NICKEL-CHROMIUM-MOLYBDENUM ALLOY

The invention relates to a kneadable, homogeneous, austenitic nickel alloy having a high corrosion resistance in relation to aggressive media under both oxidating and reducing conditions, excellent resistance to local corrosion in acid chloride-containing media and high structural stability followin...

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Bibliographic Details
Main Authors KOEHLER, MICHAEL, HEUBNER, ULRICH
Format Patent
LanguageEnglish
French
German
Published 12.04.2000
Edition7
Subjects
ALLOYS
CHEMISTRY
CLADDING OR PLATING BY SOLDERING OR WELDING
CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING
FERROUS OR NON-FERROUS ALLOYS
MACHINE TOOLS
METAL-WORKING NOT OTHERWISE PROVIDED FOR
METALLURGY
PERFORMING OPERATIONS
SOLDERING OR UNSOLDERING
TRANSPORTING
TREATMENT OF ALLOYS OR NON-FERROUS METALS
WELDING
WORKING BY LASER BEAM
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Summary:The invention relates to a kneadable, homogeneous, austenitic nickel alloy having a high corrosion resistance in relation to aggressive media under both oxidating and reducing conditions, excellent resistance to local corrosion in acid chloride-containing media and high structural stability following thermal stress. Said alloy consists of the following ( % by mass): chromium 20.0 to 23.0 %, molybdenum 18.5 to 21.0 %, iron max. 1.5 %, manganese max. 0.5 %, silicon max. 0.10 %, cobalt max. 0.3 %, wolfram max. 0.3 %, copper max. 0.3 %, aluminium 0.1 to 0.3 %, magnesium 0.001 to 0.015 %, calcium 0.001 to 0.010 %, carbon max. 0.01 %, nitrogen 0.05 to 0.15 %, vanadium 0.1 to 0.3 %, with the rest consisting of nickel and other impurities resulting from the melting process. Said alloy is a suitable material for objects resistant to chemical attack and as super-alloyed solder for other nickel-based materials.
Bibliography:Application Number: EP19980929384