Chemical Composition, %by Weight
Grand
Co
C (total)
C (free)
O
YG3
2.8 ~ 3.3
5.65 ~ 5.75
0.15
0.8
YG6
5.7 ~ 6.2
5.49 ~ 5.54
0.15
0.8
YG8
7.5 ~ 8.5
5.35 ~ 5.60
0.12
0.5
YG11
10.5 ~ 11.5
>5.30
0.12
0.5
YG15
14.0 ~ 15.0
5.00 ~ 5.10
0.10
0.5
YG20
19.0 ~ 20.2
-
0.10
0.5
Impurity Contents, % Max, by Weight
Fe
Mo
Ni
Ca
Si
Al
Mg
0.04
0.03
0.02
0.01
0.01
0.01
0.01
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