Grade

  Chemical   composition     %

TFe

min

Mn

max

Si

max

S

max

C

max

H2-loss

max

DC100.27

98.8

0.15

0.10

0.01

0.01

0.25

DC200

98.0

0.15

0.10

0.01

0.01

0.30

DC300

97.0

0.15

0.10

0.01

0.01

0.35

Grade

       Physical   properties

Apparent density

g/cm3

Compresity under 490Mpa

   g/cm3 min

Slow

S/50g

max

Partical size

um

DC100.27

2.6~2.8

6.70

30

150～0

DC200

2.4~2.8

6.60

35

75～0

DC300

2.4~2.8

6.50

40

50～0