Grade | Chemical composition% | |||||||
Si | Al | Ca | Mn | Cr | P | S | C | |
Range | no greater than | |||||||
FeSi90Al1.5 | 87.0-95.0 | 1.5 | 0.5 | 0.4 | 0.2 | 0.04 | 0.02 | 0.2 |
FeSi90Al3 | 87.0-95.0 | 3 | 0.5 | 0.4 | 0.2 | 0.04 | 0.02 | 0.2 |
FeSi75Al10.5-A | 74.0-80.0 | 0.5 | 1 | 0.4 | 0.3 | 0.035 | 0.02 | 0.1 |
FeSi75Al10.5-B | 72.0-80.0 | 0.5 | 1 | 0.5 | 0.5 | 0.04 | 0.02 | 0.2 |
FeSi75Al1.0-A | 74.0-80.0 | 1 | 1 | 0.4 | 0.3 | 0.035 | 0.02 | 0.1 |
FeSi75Al1.0-B | 72.0-80.0 | 1.5 | 1 | 0.5 | 0.5 | 0.04 | 0.02 | 0.2 |
FeSi75Al1.5-A | 74.0-80.0 | 1.5 | 1 | 0.4 | 0.3 | 0.035 | 0.02 | 0.1 |
FeSi75 Al1.5-B | 72.0-80.0 | 1.5 | 1 | 0.5 | 0.5 | 0.04 | 0.02 | 0.2 |
FeSi75 Al12.0-A | 74.0-80.0 | 2 | 1 | 0.4 | 0.3 | 0.035 | 0.02 | 0.1 |
FeSi75 Al12.0-B | 74.0-80.0 | 2 | 1 | 0.4 | 0.3 | 0.04 | 0.02 | 0.1 |
FeSi75 Al12.0-C | 72.0-80.0 | 2 | - | 0.5 | 0.5 | 0.04 | 0.02 | 0.2 |
FeSi75-A | 74.0-80.0 | - | - | 0.4 | 0.3 | 0.035 | 0.02 | 0.1 |
FeSi75-B | 74.0-80.0 | - | - | 0.4 | 0.3 | 0.04 | 0.02 | 0.1 |
FeSi75-C | 72.0-80.0 | - | - | 0.5 | 0.5 | 0.04 | 0.02 | 0.2 |
FeSi65 | 65.0-<72.0 | - | - | 0.6 | 0.5 | 0.04 | 0.02 | - |
FeSi45 | 40.0-47.0 | - | - | 0.7 | 0.5 | 0.04 | 0.02 | - |