Material No.: 2.4605

EN symbol (short)NiCr23Mo16Al
Alloy 59
UNSN 06059
Registered work's labelNicrofer®5923 hMo
Hastelloy®59alloy
Inconel®alloy 59
Corrosion resistant; high-temperature alloy
- suited for great demands concerning selective corrosion and corrosion by tension
- good durability against substances high in chloride and sulphuric acids
The chemically stable and high-temperature resistant nickel and cobalt alloy 2.4605 (alloy 59) is mainly used in the chemical industry, flue gas desulphurating plants, paper industry.
The alloy is listed in the BAM list for the transportation of dangerous goods

Hauptanwendungsgebiete

Chemical Industrythe production of acetic acid
the production of hydrofluoric acid
for the production of acid gas
components for organic chemistry (in cloridic substances)
Power plants
Power engineeringstirring units
fans in moist environments
cellulose/paper industrychemical digestion containers
bleaching containers
offshore plantsSea water desalination plant

Beschreibung

Densitylb/in30,311
Hardness
CompositionNickel Chrome Molybdenum alloy
superalloy
CategoryCorrosion resisting steels and alloys
Structureaustenitic

Temperaturhinweise

Application area
Operation temperature-321 ºF  to 842 ºF 
pressure vessel from -321°F to +842°F
Explanation reporttested under oxidising and reducing conditions in highly corrosive substances,
suitable for use with organic acids, such as acetic acid and formic acid
suitable for use with inorganic acids and solutions, such as phosphoric, nitric, hydrochloric and sulfuric acid

Chemische Zusammensetzung

Min % Max %
C0,010
Mn0,50
P0,025
S0,015
Cr22,0024,00
Mo15,0016,50
Si0,10
Al0,100,40
Co0,30
Fe1,50
Nibalancebalance
Cu.0,50