Legierungen auf Nickelbasis für Anwendungen in Ethylenpyrolyse

Legierungen auf Nickelbasis für Anwendungen in Ethylenpyrolyse

There is provided a nickel-base alloy with service strengthening properties. When exposed to ethylene pyrolysis conditions, the alloy forms M6C and MC carbides that strengthen the alloy. The alloy may be formed into internally finned tubing. It consists essentially of 0.06-0.14% carbon, 35-46% nicke...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: GANESAN, PASUPATHY, CONDER, CHARLES R, SMITH, GAYLORD DARRELL
Format: Patent
Sprache:ger
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
ALLOYS
CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
ORGANIC CHEMISTRY
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:There is provided a nickel-base alloy with service strengthening properties. When exposed to ethylene pyrolysis conditions, the alloy forms M6C and MC carbides that strengthen the alloy. The alloy may be formed into internally finned tubing. It consists essentially of 0.06-0.14% carbon, 35-46% nickel, 22.5-26.5% chromium, 0-1.5% manganese, 0.5-2% silicon, 0.1-1% titanium, 0.05-2% aluminium, 1-3% molybdenum, 0.2-1% niobium, 0.1-1% tantalum, 0-0.3% tungsten, 0-0.008% boron, 0-0.05% zirconium, and the balance iron with trace commercial impurities.