1.4841
X15CrNiSi25-21
heat-resistant steel; austenite
Energy & environmental technology, Vehicle construction & e-mobility
The material 1.4841 is an austenitic chromium-nickel steel with good strength properties at high temperatures. In addition, this grade shows excellent chemical resistance at temperatures up to 1100°C
Composition
C
Si
Mn
P
S
Cr
N
Ni
min.
-
1,5
-
-
-
24,0
-
19,0
max.
0,2
2,5
2,0
0,045
0,015
26,0
0,11
22,0
C
max.
0,2
Si
min.
1,5
max.
2,5
Mn
max.
2,0
P
max.
0,045
S
max.
0,015
Cr
min.
24,0
max.
26,0
N
max.
0,11
Ni
min.
19,0
max.
22,0
Standards and designations
Material group
Stainless steel
AISI/SAE
310
JIS
SUH 310
UNS
S31400; S31000; S31500
Special designations
Alloy 314 L
Fields of application
Apperatebau
Automotive industry
Chemical industry
Petroleum Industry
Mechanical Engineering
Furnace construction
Attributes
Physical properties at 20° C
Density
7,9 KG / dm³
Specific heat
500 J/Kg K
Thermal conductivity
15 W/m K
Electrical resistance
0,9 (ohm) mm²/m
Magnetizability
nein
Thermal treatment
Solution annealing
1050 - 1150°C
Cool down
Water / Air
Hot forming
800 - 1150°C
More properties
very good corrosion resistance
medium mechanical properties
good forgeability
good weldability
medium machinability
Delivery forms
Angle/profile
Cut to size/custom made
Flat
Hexagon
Profile tube
Round
Round tube/bushing
Sheets/sheet blanks/plates
Slit strip
Square
