1、稀土硅铁
|
Grades
|
chemical composition %
|
||||||
|
RE
|
Ce/RE
|
Si
|
Mn
|
Ca
|
Ti
|
Fe
|
|
|
Max
|
|||||||
|
195023
|
21.0～＜24.0
|
≥46
|
44.0
|
2.5
|
5.0
|
2.0
|
Rest
|
|
195026
|
24.0～＜27.0
|
≥46
|
43.0
|
2.5
|
5.0
|
2.0
|
Rest
|
|
195029
|
27.0～＜30.0
|
≥46
|
42.0
|
2.0
|
5.0
|
2.0
|
Rest
|
|
195032
|
30.0～＜33.0
|
≥46
|
40.0
|
2.0
|
4.0
|
1.0
|
Rest
|
|
195035
|
33.0～＜36.0
|
≥46
|
39.0
|
2.0
|
4.0
|
1.0
|
Rest
|
|
195038
|
36.0～＜39.0
|
≥46
|
38.0
|
2.0
|
4.0
|
1.0
|
Rest
|
|
195041
|
39.0～＜42.0
|
≥46
|
37.0
|
2.0
|
4.0
|
1.0
|
rest
|
稀土硅铁合金断面应呈银灰色，粒度范围为5-50mm，小于5mm和大于50mm的各不应超过总质量的5%。
2、稀土镁硅
|
Grades
|
chemical composition
|
||||||
|
RE
|
Mg
|
Ca
|
Si
|
Mn
|
Ti
|
Fe
|
|
|
≤
|
|||||||
|
FeSiMg6REl
|
O．5～<2.0
|
5．O～7.0
|
1.5～3．O
|
44.0
|
1．O
|
1．O
|
Rest
|
|
FeSiMg7REl
|
O．5～<2．O
|
6.0～8.0
|
≤1.5
|
44.0
|
1．O
|
1.0
|
Rest
|
|
FeSiMg7RE3
|
2．O～<4．O
|
6．O～8．O
|
2.0～3.5
|
4.4．O
|
1．O
|
1．O
|
Rest
|
|
FeSiMg8RE3-A
|
2．O～<4．O
|
7.0～9.0
|
≤2．O
|
44.0
|
1．O
|
1．O
|
Rest
|
|
FeSiMg8RE3-B
|
2.0～<4．O
|
7.0～9．O
|
2.0～3.5
|
44．O
|
1．O
|
1.0
|
Rest
|
|
FesiMg8RE5
|
4．O～<6．O
|
7．O～9．O
|
≤3
|
44.0
|
2.0
|
1．O
|
Rest
|
|
FesiMg8RE7
|
6．O～<8．O
|
7．O～9.0
|
≤3
|
44．O
|
2．O
|
1.0
|
Rest
|
|
FesiMg10RE7
|
6．O～<8．O
|
9．O～11．O
|
≤3
|
44．O
|
2．O
|
1．O
|
Rest
|
|
FesiMg9RE79
|
8．O～<10．O
|
8．O～10．O
|
≤3
|
44．O
|
2.0
|
1.0
|
Rest
|
|
FesiMg8REl8
|
17～<20．O
|
7．O～10.0
|
≤3
|
42．O
|
4．O
|
2．O
|
rest
|
3、稀土氧化物
4、混合氯化稀土