Material No.: 2.4663

EN symbol (short)NiCr23Co12Mo9
Alloy 617
UNSN 06617
Registered work's labelINCONEL® alloy 617
Nicrofer® 5520 Co
2.4663 is a nickel chrome cobalt molybdenum alloy with excellent structure stability, high firmness and good resistance to oxidation.

Hauptanwendungsgebiete

Power engineeringburning chambers
Power engineeringTeile im Hochtemperaturbereich (Brennkammern)
Power engineeringheat exchanger for high temperatures
Power engineeringpipes and tubes
Chemische Industriewärmetechnische Anlagen
petrochemical industrythermotechnical plants

Beschreibung

Densitylb/in.30,303
Hardness
CompositionNickel Chrome Cobalt Molybdenum alloy
superalloy
CategoryHeat resistant steels and alloys
Highly corrosion resistant alloys
Structurecubic-face-centred grid
Corrosiongood resistance even in carbonising/chlorinating/oxidising substances
Additional characteristicshigh resistance to oxidation in high temperature ranges

Temperaturhinweise

Application area
Operation temperature-321 ºF  to 2012 ºF 
good resistance to oxidation and carbonisation
Explanation reportrecommended up to 2000°F

Chemische Zusammensetzung

Min % Max %
C0,050,10
Mn0,20
P0,010
S0,010
Cr20,0023,00
Mo8,5010,00
Si0,20
Co11,0014,00
Fe2,00
Nibal.bal.
Cu0,50
AL0,701,40
Ti0,200,60
B0,006