Material No.: 1.4547

EN symbol (short)X1CrNiMoCuN20-18-7
UNSS 31254
AFNORX1CrNiMoCuN20-18-7 / NF EN 10217-7 (02/2005) (FR)
BSX1CrNiMoCuN20-18-7 / B.S.EN 10217-7 (02/2005) (GB)
Registered work's label254 SMO®

Hauptanwendungsgebiete

Chemical Industry
petrochemical industry
Flue gas desulphurisation plants
cellulose/paper industry
sea and lake water plants

Beschreibung

Densitykg/dm38,0
HardnessHB<= 360
Compositionchromium nickel molybdenium steels
CategoryStainless steels
Structureaustenitic
Corrosionresistant to intercrystalline corrosion
satisfactionary against pitting corrosion
high corrosion resistance

Temperaturhinweise

Application area
Operation temperature ºF  to 752 ºF 
operating temperature limit

Chemische Zusammensetzung

Min % Max %
C0,020
Si0,70
Mn1,00
S0,010
N0,180,25
Cr19,5020,50
Cu0,501,00
Mo6,007,00
Ni17,5018,50