1.4841
X15CrNiSi25-21
heat-resistant steel; austenite
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
Delivery forms
Angle/profile
Cut to size/custom made
Flat
Hexagon
Profile tube
Round
Round tube/bushing
Sheets/sheet blanks/plates
Slit strip
Square