C
Si
Mn
P
S
Cu
SWRM 6
0.08 max.
-
0.60 max.
0.045 max.
0.045 max.
-
SWRM 8
0.10 max.
-
0.60 max.
0.045 max.
0.045 max.
-
SWRM 10
0.08~0.13
-
0.30~0.60
0.045 max.
0.045 max.
-
SWRM 12
0.10~0.15
-
0.30~0.60
0.045 max.
0.045 max.
-
SWRM 15
0.13~0.18
-
0.30~0.60
0.045 max.
0.045 max.
-
SWRM 17
0.15~0.20
-
0.30~0.60
0.045 max.
0.045 max.
-
SWRM 20
0.18~0.23
-
0.30~0.60
0.045 max.
0.045 max.
-
SWRM 22
0.20~0.25
-
0.30~0.60
0.045 max.
0.045 max.
-