20Mn2 1320 SMn420 20Mn5
|
20Mn2
|
Comparision of steel grades
|
|
|
AISI
|
1320
|
|
|
JIS
|
SMn 420
|
|
|
DIN
|
20 Mn5
|
|
Chemical Composition [%]
|
Grade
|
C
|
Si
|
Mn
|
Cr
|
Cu
|
Ni
|
|
20Mn2
|
0.17-
0.24
|
0.17-
0.37
|
1.40-
1.80
|
max 0.30
|
max 0.25
|
max 0.30
|
Mechanical Properties
|
Grade
|
6b N/mm2
|
6 s N/mm2
|
Δδ %δ %
|
ψ%
|
AK J
|
|
20Mn2
|
785
|
590
|
10
|
40
|
47
|
Source:
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