1.4828 Datasheet
X15CrNiSi20-12
heat-resistant steel; austenite
Petrochemicals, Vehicle construction & e-mobility
Thanks to its excellent scaling resistance in the high-temperature range, material material 1.4828 is frequently used in industrial furnace construction and for other components subject to high thermal stress. In addition, the material has excellent mechanical properties for machining.
Composition
C
Si
Mn
P
S
Cr
N
Ni
min.
-
1,50
-
-
-
19,0
-
11,0
max.
0,20
2,50
2,00
0,045
0,015
21,0
0,11
13,0
C
max.
0,20
Si
min.
1,50
max.
2,50
Mn
max.
2,00
P
max.
0,045
S
max.
0,015
Cr
min.
19,0
max.
21,0
N
max.
0,11
Ni
min.
11,0
max.
13,0
Standards and designations
Material group
Stainless steel
AFNOR
Z9CN24-13
AISI/SAE
309
B.S.
309S24
JIS
SUS 309
UNS
S30900
Fields of application
Industrial furnace construction
Automotive industry
Chemistry, petrochemistry
Mechanical engineering
Appartate and tank construction
Cement industry
chain industry
Attributes
Physical properties at 20° C
Density
7,90 kg/dm³
Specific heat
500 J/kg K
Thermal conductivity
15 W/m K
Electrical resistance
0,85 (ohm) mm²/m
Magnetizability
very low
Thermal treatment
Solution annealing
1050 - 1150 °C
Cooling
Wasser oder unbewegte Luft
Hot forming
800 - 1150 °C
Span. arm annealing
1010 - 1040 °C
More properties
very good scale resistance
high heat resistance
very good weldability
good mechanical properties
poor thermal conductivity
relatively high work hardening
Delivery forms
Angle/profile
Cut to size/custom made
Flat
Hexagon
Profile tube
Round
Round tube/bushing
Sheets/sheet blanks/plates
Slit strip
Square
