牌 号
|
化 学 成 分,%
|
|||||||
Mn
|
Si
|
C
|
P
|
S
|
||||
I
|
Ⅱ
|
Ⅲ
|
||||||
不大于
|
||||||||
FcMn64Si27
|
60.0~67.0
|
25.0~28.0
|
0.5
|
0.10
|
0.15
|
0.25
|
0.04
|
|
FeMn67Si23
|
63.0~70.0
|
22.0~25.0
|
0.7
|
0.10
|
0.15
|
0.25
|
0.04
|
|
FeMn68S122
|
65.0~72.0
|
20.0~23.0
|
1.2
|
0.10
|
0.15
|
0.25
|
0.04
|
|
FeMn64Si23
|
60.0~67.0
|
20.0~25.0
|
1.2
|
0.10
|
0.15
|
0.25
|
0.04
|
|
FeMn68Si18
|
65.0~72.0
|
17.0~20.0
|
1.8
|
0.10
|
0.15
|
0.25
|
0.04
|
|
FeMn64Sil8
|
60.0~67.0
|
17.0~20.0
|
1.8
|
0.10
|
0.15
|
0.25
|
0.04
|
|
FeMn68S116
|
65.0~72.0
|
14.0~17.0
|
2.5
|
0.10
|
0.15
|
0.25
|
0.04
|
|
FeMn64Si16
|
60.0~67.0
|
14.0~17.0
|
2.5
|
0.20
|
0.25
|
0.3
|
0.05
|
|
注:硫为保证元素,其余均为必测元素.
|
等 级
|
粒度范围
|
偏 差,%
|
|
筛上物
|
筛下物
|
||
不大于
|
|||
1
|
20~300
|
5
|
5
|
2
|
10~150
|
5
|
5
|
3
|
10~100
|
5
|
5
|
4
|
10~50
|
5
|
5
|