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EN
25CrMo4
DIN
25CrMo4
SAE / AISI / ASTM
4130
BS
AFNOR
25CD4
Equivalent Steel Grades
Material No
1.7218
Chemical Composition (%)
EN 10083
C
Si
Mn
P
S
Cr
Ni
Mo
N
Pb
Min
0.22
0.60
0.90
0.15
Max
0.29
0.40
0.90
0.025
0.035
1.20
0.30
390
450
40 < t ≤ 100
600
16 < t ≤ 40
700
t ≤ 16
Min
Thickness (mm)
Diameter (mm)
YIELD STRENGTH (Re) (N/mm² = MPa)
Condition of the Sample: QT
Mechanical Properties
850
700
40 < t ≤ 100
950
800
16 < t ≤ 40
1100
900
t ≤ 16
Max
Min
Thickness (mm)
Diameter (mm)
TENSILE STRENGTH (Rm) (N/mm² = MPa)
Min
Thickness (mm)
Diameter (mm)
ELONGATION (%)
12
t ≤ 16
14
16 < t ≤ 40
15
40 < t ≤ 100
HARDNESS (HB)
+AR
+N
+A
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