1.4401 Datasheet
X5CrNiMo17-12-2; X5CrNiMo18-10
stainless steel; corrosion resistant steel; austenite
Energy & environmental technology, Vehicle construction & e-mobility
The material 1.4401 is an austenitic chromium-nickel-molybdenum steel with good corrosion resistance to acids and chlorine-containing media. Its main area of application is in the food and chemical industries.
Composition
C
Si
Mn
P
S
Cr
Mo
N
Ni
min.
-
-
-
-
-
16,50
2,00
-
10,00
max.
0,07
1,00
2,00
0,045
0,015
18,50
2,50
0,110
13,00
C
max.
0,07
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.
2,00
max.
2,50
N
max.
0,110
Ni
min.
10,00
max.
13,00
Standards and designations
Material group
Stainless steel
AFNOR
Z7CND17-12-02
AISI/SAE
316
B.S.
316S31
JIS
SUS 316
UNS
S31600
Special designations
V4A
Fields of application
Chemistry, petrochemistry
Food industry
Automotive industry
Construction industry
Mechanical engineering
Plant engineering
Architecture & Decoration
Attributes
Physical properties at 20° C
Density
8,00 kg/dm³
Specific heat
500 J/kg K
Thermal conductivity
15 W/m K
Electrical resistance
0,75 (ohm) mm²/m
Magnetizability
very low
Thermal treatment
Hot forming
900 - 1200 °C
Solution annealing
1020 - 1120 °C
More properties
very good corrosion resistance
good polishability
good forgeability
good mechanical properties
medium weldability
Delivery forms
Angle/profile
Cut to size/custom made
Flat
Hexagon
Profile tube
Round
Round tube/bushing
Sheets/sheet blanks/plates
Slit strip
Square
