Fe

Mn

Si

C

S

P

H.L

size

flow rate (S”)

bulk density (Df)

um

Wt%

FST40.38

≥99.0

≤0.25

≤0.10

≤0.02

≤0.025

≤0.02

≤0.50

-425

100

50g/35”

3.8g/cm3

FST80.30

≥98.0

≤0.40

≤0.10

≤0.02

≤0.020

≤0.02

≤0.50

-180

100

50g/36”

3.0g/cm3