|
牌号 |
化学成分,% | |||||||||
|
Si |
Al |
P |
S |
C |
Mn |
Cr |
Ti | |||
|
> |
≤ |
> |
≤ |
≤ | ||||||
|
FeSi10 |
8.0 |
13.0 |
|
0.2 |
0.15 |
0.06 |
2.0 |
3.0 |
0.8 |
0.3 |
|
FeSi15 |
14.0 |
13.0 |
|
1.0 |
0.15 |
0.06 |
1.5 |
1.5 |
0.8 |
0.3 |
|
FeSi25 |
20.0 |
20.0 |
|
1.5 |
0.15 |
0.06 |
1.0 |
1.0 |
0.8 |
0.3 |
|
FeSi45 |
41.0 |
30.0 |
|
2.0 |
0.05 |
0.05 |
0.2 |
1.0 |
0.5 |
0.3 |
|
FeSi50 |
47.0 |
47.0 |
|
1.5 |
0.05 |
0.05 |
0.2 |
0.8 |
0.5 |
0.3 |
|
FeSi65 |
63.0 |
51.0 |
|
2.0 |
0.05 |
0.04 |
0.2 |
0.4 |
0.4 |
0.3 |
|
FeSi75Al |
72.0 |
68.0 |
|
1.0 |
0.05 |
0.04 |
0.15 |
0.5 |
0.3 |
0.3 |
|
FeSi75Al1.5 |
72.0 |
80.0 |
1.0 |
1.5 |
0.05 |
0.04 |
0.15 |
0.5 |
0.3 |
0.3 |
|
FeSi75Al2 |
72.0 |
80.0 |
1.5 |
2.0 |
0.05 |
0.04 |
0.2 |
0.5 |
0.3 |
0.3 |
|
FeSi75Al3 |
72.0 |
80.0 |
2.0 |
3.0 |
0.05 |
0.04 |
0.2 |
0.5 |
0.5 |
0.3 |
|
FeSi90Al1 |
87.0 |
95.0 |
|
1.5 |
0.04 |
0.04 |
0.15 |
0.5 |
0.2 |
0.3 |
|
FeSi90Al2 |
87.0 |
95.0 |
1.5 |
3.0 |
0.04 |
0.04 |
0.15 |
0.5 |
0.2 |
0.3 |
|
等级 |
粒度范围/? |
过细粒度(最大)% |
过粗粒度(最大)/% | |
|
总量 |
<3.15? | |||
|
1 |
100-315 |
20 |
6 |
10
在两个或3个方向上,不得有超过规定粒度范围最大极限值×1.15的粒度 |
|
2 |
75-200 |
20 |
6 | |
|
3 |
35-100 |
18 |
6 | |
|
4 |
10-75 |
18 |
7 | |
|
5 |
3.15-35 |
8 |
8 | |
|
6 |
3.15-10 |
10 |
10 | |
|
7 |
3.15-6.3 |
10 |
10 | |
|
8 |
3.15 |
|
| |