High-alloy steel- heat-resistant steel H24JS,S44600,X10CrAl240,1.4762,X10CrAlSi25,X10CrAl24 - 

High-alloy steel - heat-resistant chrome-silicon steel with the addition of aluminum H24JS PN-71/H-86022
Steel grade

Standard

Chemical composition (%)
C
Mn
Si
P
S
Cu
Cr
Ni
Mo
other
H24JS
PN
max
0,12
max
1,00
1,30
1,60
max
0,045
max
0,030
max
0,30
23,00
25,00
max
0,50
-
Al 1,30Ă·1,60
10 CrAl 240
X10CrAl240
STAS
max
0,12
max
1,00
0,70
1,40
max
0,040
max
0,030
max
0,30
23,00
26,00
max
0,50
max
0,20
Al 1,20Ă·1,70
X 10 CrAl 24
X10CrAl24
1.4762
X10CrAlSi25

DIN
W.nr
EN
max
0,12
max
1,00
0,70
1,40
max
0,040
max
0,015
-
23,00
26,00
-
-
Al 1,20Ă·1,70
X10CrAlSi24
EN
max
0,12
max
1,00
0,70
1,40
max
0,040
max
0,30
-
23,00
26,00
-
-
Al 1,20Ă·1,70
Z 12 CAS 25
Z12CAS25
AFNOR
max
0,12
max
0,75
0,70
1,40
max
0,035
max
0,015
-
23,00
26,00
-
-
Al 1,20Ă·1,70
S 44600
S44600
446

UNS
AISI
max
0,12
max
1,50
max
1,00
max
0,040
max
0,030
-
23,00
27,00
-
-
N max 0,25
 
Steels resistant to gases containing sulfur compounds and reducing gases, little resistant to 
carburizing atmosphere, nitriding and carb-onitriding, destined for heat-resistant parts for boilers 
and industrial furnaces vacuum chambers, etc. Resistant to the heat in the air up to the 
temperature of 1200 ° C

H24JS, (X10CrAl24, X10CrAlSi25) grades are offered as sheets, rods, forgings

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