1.4406
X2CrNiMoN17-11-2; X2CrNiMoN17-12-2
stainless steel; corrosion resistant steel; austenite
Aerospace, Vehicle construction & e-mobility
The material 1.4406 is an austenitic chromium-nickel-molybdenum steel with very good resistance to pitting, crevice corrosion and general corrosion. Its main applications are in the chemical industry and medical technology.
Composition
C
Si
Mn
P
S
Cr
Mo
N
Ni
min.
-
-
-
-
-
16,50
2,00
0,120
10,00
max.
0,03
1,00
2,00
0,045
0,015
18,50
2,50
0,220
12,50
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.
2,00
max.
2,50
N
min.
0,120
max.
0,220
Ni
min.
10,00
max.
12,50
Standards and designations
Material group
Stainless steel
AFNOR
Z3CND17-11Az
AISI/SAE
316LN
B.S.
316S61
JIS
SUS 316 LN
UNS
S31653
Special designations
V4A
Fields of application
Chemistry, petrochemistry
Food technology
Automotive industry
Mechanical engineering
Apparatus and tank construction
Fittings construction
Plant engineering
Medical technology, pharmacy
Aerospace industry
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
Soft annealing
1020 - 1120 °C
More properties
good corrosion resistance
good forgeability
very good weldability
good polishability
good mechanical properties
Delivery forms
Cut to size/custom made
Round
Round tube/bushing
