Material No.: 2.4858

EN symbol (short)NiCr21Mo
Alloy 825
UNSN 08825
AFNORNC 21 FeDu
BSNA 16
Registered work's labelIncoloy® 825
Titanium stabilised, fully austenitic nickel iron chrome alloy,
good resistance to crevice / tensile / pitting corrosion.

Hauptanwendungsgebiete

Chemische IndustrieSchwefel-und Phosphorsäureanlagen
offshore plantspipeworks
Apparatus engineeringDruckbehälter bis 425°C
sea and lake water plantsSea-water-cooled heat exchangers
Chemische Industriezur Verarbeitung von Phosporsäure
offshore plantsSea water desalination plant

Beschreibung

Densitylb/in20,294
HardnessHB135-165
CompositionNickel Chrome Molybdenum alloy
superalloy
CategoryHeat resistant steels and alloys
Structurecubic-face-centred grid
Corrosionagainst crevice corrosion
good resistance to tensile corrosion
satisfactionary against pitting corrosion
Additional characteristicsenduring in oxidating, reducing and sulfuric substances
enduring in sulfuric acid and phosphoric acid solutions
No translation!

Temperaturhinweise

Application area
Operation temperature-321 ºF  to 1022 ºF 

Chemische Zusammensetzung

Min % Max %
C0,025
Si0,50
Mn1,00
P0,02
S0,015
Cr19,5023,50
Mo2,503,50
Ni38,0046,00
Febalancebalance
Ti0,601,20
Cu1,503,00
AL0,20
Co1,00