Products Description
Silicon Metal 551 High Purity Alloy
Physical properties
Appearance: Metallurgical silicon usually appears dark - gray and has a metallic luster. Its crystal structure is a face - centered cubic or diamond - type cubic crystal structure.
Hardness: It has a relatively high hardness. The Mohs hardness is about 7, just next to diamond.
Conductivity: As a semiconductor material, its conductivity lies between that of conductors and insulators. Its electrical conductivity increases with the rise of temperature, which is opposite to the conductive characteristics of ordinary metals.
Density: The density of metallurgical silicon is relatively small, approximately 2.33 g/cm³
Silicon Metal 551 Specification
| Specification | Si(Min)% | Fe(Max)% | Al(Max)% | Ca(Max)% | P(Max)ppm |
granularity (Min)90% |
| 551 | 98.90 | 0.50 | 0.50 | 0.10 | / | / |
Specification granularity: natural block, 10-100mm, 10-60mm, 3-10mm, 1-3mm, 0-1mm, or accept custom
Packaging: Ton bag packaging (1000kg/bag) or accept custom.
Silicon Metal 551 Applications
⑴ In the aluminum alloy industry, silicon metal 551 is an important additive. Adding silicon metal 551 can improve the strength, hardness, and wear resistance of aluminum alloys. For example, when manufacturing aluminum alloy parts for aerospace, adding an appropriate amount of silicon metal 551 can improve the performance of the material.
⑵ In the steel industry, silicon metal 551 is mainly used as a deoxidizer in the steel - making process. It can remove oxygen from molten steel and improve the quality of steel products. At the same time, it can also form alloys with certain elements in steel to improve the mechanical properties of steel.
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