Ferro alloy
Silicon Metal Lump 441 421 411 Oxidation Resistance
Silicon metal is an excellent antioxidant and is widely used in the refractory and powder industries. The addition of metallic silicon to the refractory material can first react with oxygen to clos...
DESCRIPTION
Silicon metal is an excellent antioxidant and is widely used in the refractory and powder industries. The addition of metallic silicon to the refractory material can first react with oxygen to close the pores, increase the density, prevent the entry of massive iron, and improve the high temperature resistance of the product, thereby forming a new ore stage to prevent its oxidation resistance.
| Grade | Chemical composition(%) | ||||
| 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 |
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