1.Jiri dị ka mbenata gị n'ụlọnga na mmepụta nke ferroalloy na magnesium
2.Jiri dị ka deoxidizer na alloying gị n'ụlọ ọrụ na-emepụta ígwè
3.Jiri dị ka inoculant na nodulizer na nkedo ígwè ọrụ
Nlereanya | Ngwakọta kemịkalụ (%) | |||||
Si | Mn | Al | C | P | S | |
FeSi75A | 75.0-80.0 | ≤0.4 | ≤2.0 | ≤0.2 | ≤0.035 | ≤0.02 |
FeSi75B | 73.0-80.0 | ≤0.4 | ≤2.0 | ≤0.2 | ≤0.04 | ≤0.02 |
FeSi75C | 72.0-75.0 | ≤0.5 | ≤2.0 | ≤0.1 | ≤0.04 | ≤0.02 |
FeSi70 | 72.0 | ≤2.0 | ≤0.2 | ≤0.04 | ≤0.02 | |
FeSi65 | 65.0-72.0 | ≤0.6 | ≤2.5 | —— | ≤0.04 | ≤0.02 |