What is Ferrosilicon Powder?
Ferrosilicon (FeSi) is an alloy primarily composed of iron (Fe) and silicon (Si), usually containing 15-90% silicon. Common specifications include ferrosilicon 15, ferrosilicon 45, ferrosilicon 75, etc. Ferrosilicon blocks are generally used in steel mills and foundries as deoxidation and desulfurization , while ferrosilicon powder is mostly used in the mineral processing industry.
The applications of ferrosilicon powder
- Mining field. ferrosilicon powder usually used in DMS Minng industry. FeSi powder is mainly used for mineral processing such as diamond (3.5 g/cm³), Iron ore, lead-zinc ore, manganese ore, chromite ore, etc.
- Steel smelting field. ferro silicon powder as a deoxidizer in steelmaking , adding to ferro silicon powder in steelmaking ,it will combined with oxygen in molten steel to form SiO₂, it reduces pores and inclusions and improves the purity of steel.
- casting industry. Ferrosilicon powder can be used in ductile iron production, as nodularizer （Size：0.2-1mm）, it can promote the spherical distribution of graphite and enhance the toughness and strength of cast iron.
- welding industry. Ferro silicon also can as Welding rod coating material and improve the arc stability.
Atomized ferrosilicon powder and ground ferrosilicon powder
The key difference between atomized ferrosilicon powder and ground ferrosilicon powder lies in their production method, which fundamentally affects their particle , purity, density, characteristics, and suitability for specific applications.
Particle shapes are different
Atomized ferrosilicon powder → spherical (like small steel balls). The surface is smooth and the particles are uniform. The molten ferrosilicon liquid is sprayed into droplets with high-pressure gas or water, and then cooled and solidified into balls in the air .
Ground ferrosilicon powder → Chunky/irregular shapes (like sand or gravel) ground ferrosilicon powder is to crush and grind large pieces of solid ferrosilicon with a machine, so it looks angular, rough on the surface, and with particles of varying sizes.
The uses are Different
(Atomized ferrosilicon powder): good fluidity → suitable for precision casting (such as automatic feeder), high-end welding, military industry (stable combustion).
(Grinded ferrosilicon powder): low cost → suitable for steel plant deoxidation and mineral processing heavy media (low shape requirements)
How to store ferro silicon powder is right?
- ferro silicon powder is need to prevent water and wet.
- If have conditions, You should seal the newly arrived ferrosilicon powder to isolate it from the air. Unopened ferrosilicon powder should be stored in its original packaging without unpacking.
- Opened ferrosilicon powder should be vacuum sealed with anti-static aluminum foil bags or filled with nitrogen for protection.
- It also need to prevent fire and explode. ferrosilicon powder should far away from hot resource,fire etc and it can’t mix withAcids, oxidants.
Zhenxin Ferroalloy ferrosilicon powder supplier
Zhenxin ferroalloy a producer of ferro silicon powder , we can supply two types of ferro silicon powder , Atomized ferrosilicon powder and ground ferrosilicon powder, size can be arrived to 200mesh and 325mesh or can be be customized accroding to the requirement of customers. Welcome to consult us and visit our factory !