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Silicon Metal minangka produk industri sing penting banget sing bisa digunakake kanggo nggawe baja, wesi tuang, aluminium (produksi penerbangan, pesawat & mobil), lan piranti optoelektronik silikon lan akeh industri liyane. Iki dikenal minangka "uyah" industri modern. Silikon logam digawe saka kuarsa lan coke ing produk peleburan tungku pemanas listrik. Bahan utama isi silikon kira-kira 98%. Kotoran liyane yaiku wesi, aluminium lan kalsium dll.
Silicon Metal bongkahan diprodhuksi ing tungku pemanasan listrik dening kuarsa lan coke. Kuarsa bakal redoks lan dadi cairan silikon cair. Sawise cooling, bakal ngalangi kaya sing kita deleng. Bongkahan logam silikon primal gedhe banget. Banjur bakal digawe dadi gumpalan cilik sing diarani ukuran standar. Silicon Metal Lumps bakal 10-100mm.
| sasmita | Komposisi kimia (%) | ||||
| Si | Fe | Al | Ca | P | |
| > | ≤ | ||||
| 1515 | 99.6% | 0.15 | - | 0.015 | 0.004 |
| 2202 | 99.5% | 0.2 | 0.2 | 0.02 | 0.004 |
| 2203 | 99.5% | 0.2 | 0.2 | 0.03 | 0.004 |
| 2503 | 99.5% | 0.2 | - | 0.03 | 0.004 |
| 3103 | 99.4% | 0.3 | 0.1 | 0.03 | 0.005 |
| 3303 | 99.3% | 0.3 | 0.3 | 0.03 | 0.005 |
| 411 | 99.2% | 0.4 | 0.04-0.08 | 0.1 | - |
| 421 | 99.2% | 0.4 | 0.1-0.15 | 0.1 | - |
| 441 | 99.0% | 0.4 | 0.4 | 0.1 | - |
| 553 | 98.5% | 0.5 | 0.5 | 0.3 | - |
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