Specification :

1.SiMn6517
Si 17% min
Mn 65% min
C 2.0% max
P 0.25% max
S 0.04% max

10-50mm or 10-100mm 90%

2. SiMn6014
Mn 60% min,
Si 14 % min,
C 2.50 % max,
P 0.30% max,
S 0.05% max.