Chemical composition

 Physical properties

Mn(%)

Si(%)

  Impurity content of not more than%

  Particle size distribution

C

P

S

65.0-72.0

20.0-25.0

1.0

0.15

0.04

-60um100%
-300um
25-50%

60.0-67.0

20.0-25.0

1.2

0.15

0.04

60.0-72.0

17.0-20.0

1.8

0.15

0.04