牌號

FVC-A

FVC-B

FVC-C

化學成分 %

總碳

>18

>18

>18

游離碳

≤1.0

≤0.7

≤1.5

O

≤2.0

≤1.5

≤1.0

N

≤0.1

≤0.1

≤01

Fe

≤0.15

≤0.15

≤0.1

Al

≤0.01

≤0.01

≤0.01

Si

≤0.01

≤0.01

≤0.01

S

≤0.01

≤0.01

≤0.01

費氏粒度（還原態）(μm)

0.8μm^±0.1

1.0μm^±0.1

1.5μm^-0.4