1.4439 Datasheet
X2CrNiMoN17-13-5; X 2 CrNiMoN 17 13 5
stainless steel; corrosion resistant steel; austenite
Energy & environmental technology, Medical & pharmaceutical technology, Petrochemicals
The material 1.4439 is an austenitic chromium-nickel-molybdenum steel with high corrosion resistance and good mechanical properties. As the material also has excellent weldability, it is of great importance in chemical equipment and tank construction.
Composition
C
Si
Mn
P
S
Cr
Mo
N
Ni
min.
-
-
-
-
-
16,50
4,00
0,120
12,50
max.
0,03
1,00
2,00
0,045
0,015
18,50
5,00
0,220
14,50
C
max.
0,03
Si
max.
1,00
Mn
max.
2,00
P
max.
0,045
S
max.
0,015
Cr
min.
16,50
max.
18,50
Mo
min.
4,00
max.
5,00
N
min.
0,120
max.
0,220
Ni
min.
12,50
max.
14,50
Standards and designations
Material group
Stainless steel
AFNOR
Z3CND18-14-05Az
AISI/SAE
317LMN
B.S.
X2CrNiMoN17-13-5
UNS
S32726
Fields of application
Chemistry, petrochemistry
Apparatus and tank construction
Food industry
Power engineering, onshore and offshore
Medical technology, pharmaceuticals
Construction industry
Mechanical engineering
Plant engineering
Attributes
Physical properties at 20° C
Density
8,00 kg/dm³
Specific heat
500 J/kg K
Thermal conductivity
14 W/m K
Electrical resistance
0,85 (ohm) mm²/m
Magnetizability
very low
Delivery forms
Angle/profile
Cut to size/custom made
Flat
Profile tube
Round
Round tube/bushing
Sheets/sheet blanks/plates
Square
