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牌号Grade                            FTiC-A     FTiC-B    FTiC-C

化学成分％

Lmpurity Content％

总碳T.C

≥18.0      ≥18.0     ≥18.0  

≤0.7       ≤0.5      ≤0.5

≤2         ≤1.5      ≤1.5 

≤0.1       ≤0.1      ≤0.1

≤0.15      ≤0.15     ≤0.1

≤0.01      ≤0.01     ≤0.01

≤0.15      ≤0.15     ≤0.15

≤0.01      ≤0.01     ≤0.01

≤0.01      ≤0.01     ≤0.01

游离炭F.C

O

N

Fe

Al

Si

Ca

S

费氏粒度(还原态In reduction form no milling)

Fsss(μm)

A级：≤0.8μm^±0.1

B级：≤1.0μm^±0.1

C级：≤1.5μm^-0.4