Alloy Steels
Mechanical Properties
MAL Grade
Specification
C
Si
Mn
S
P
Cr
Ni
Mo
V
Condition
Sizes
Hardness
EN 24
817M40
0.36
0.45
0.10
-
-
1.00
1.30
0.20
-
Softened
All
-
PD 970:2005
0.44
0.70
0.35
0.040
0.035
1.40
1.70
0.35
-
-
-
277
SxI-99
-
0.35
0.60
0.30
-
-
2.50
-
2.60
0.80
Softened
All
-
0.43
0.90
0.55
0.020
0.020
3.00
-
3.00
1.20
220
H11
-
0.33
0.20
0.80
-
-
4.75
-
1.10
0.30
Softened
All
-
0.43
0.50
1.20
0.030
0.030
5.50
-
1.60
0.60
220
H13
-
0.32
0.20
0.80
-
-
4.75
-
1.10
0.80
Softened
All
-
0.45
0.50
1.20
0.030
0.030
5.50
-
1.75
1.20
220
QRO 90
0.35
0.60
0.30
-
-
2.45
-
2.20
0.80
Softened
All
-
0.43
0.90
0.55
0.020
0.020
2.75
-
2.35
0.95
220