From: Fatigue behavior of surfaced C45 steel
Chemical elements %
C
Si
Mn
P
S
Cr
Mo
Ni
Cu
Fe
Base metal (C45)
0.438
0.286
0.743
0.01
0.03
0.2
0.006
0.023
0.005
Bal.
Surfacing material (ER80S-B2)
0.09
0.6
1.3
0.5