Ferrosilicon Alloy For Steelmaking

Ferrosilicon(FeSi) is made from semi-coke, silica, steel chips, and other products as raw materials, and is smelted by continuous operation in an open or semi-closed reduction furnace. The appearance of ferrosilicon is silver gray with a metallic luster, which can be processed into Ferrosilicon Block(Ferrosilicon Lump), Ferrosilicon Granular(Ferrosilicon Granules or Ferrosilicon particles), or Ferrosilicon Powder, according to customer requirements.

Types Of Ferrosilicon Alloy

Chemical Composition: Si, Al, Ca, Mn, Cr, P, S, C, Fe, and other elements.

Size: 0-3mm, 3-10mm, 10-50mm, or as the customer requires.

Packaging Details: 1mt or 1.25mt per big bag, and also can be customized as the customer requires.

• Used as a deoxidizer to increase the strength and hardness of steel.

• Lower the melting point of steel.

• Improve production efficiency.

• Reduce energy consumption and production costs.

• Deoxidizer: Ferrosilicon can ensure steel quality during the steelmaking process while being used as a deoxidizer for precipitation and diffusion deoxidation.

• Alloying Agent: Ferro silicon can significantly improve the strength, hardness, and elasticity of steel when added to steelmaking.

• Inoculant and Nodulizer: Ferrosilicon can be used as an inoculant and spheroidizer in the cast iron industry. The iron-silicon alloy can prevent the iron from forming carbides and concurrently promote the precipitation and spheroidization of graphite.

• Reducing Agent: High silicon ferrosilicon has a very low content of carbon. Ferrosilicon is a reducing agent for producing low-carbon ferroalloys in the ferroalloy industry.

• Magnesium smelting: 75 ferrosilicon alloys are often used in the high-temperature smelting process of metal magnesium.

• Suspended phase: Milled silicon and atomized silicon can be used in the mineral processing industry as the suspended phase.

• Coating: Ferrosilicon powder can be used as a coating for welding rods.

Among the above usage, the steelmaking industry, the foundry industry, and the ferroalloy industry are the largest users, which consume more than 90% of ferrosilicon. Among the different grades of ferrosilicon, Ferrosilicon 75 raw materials are the most widely used. In the steelmaking industry, it takes about 3-5kg of 75# ferrosilicon to produce 1 ton of steel.

• Demand for ferro silicon

The steel industry is the most important downstream industry of ferroalloys. More than 60% of the downstream demand for ferrosilicon is in the steel industry. Therefore, the output of steel has a decisive impact on the price of ferrosilicon, and the cyclicality of the steel industry also drives the cyclical fluctuation of the price of ferrosilicon.

• Export of ferrosilicon alloy

The ferro silicon suppliers in China mainly sell to Japan, South Korea, the United Arab Emirates, India, the United States, and Brazil. In 2021, with the recovery of the global economy in the post-epidemic era, overseas ferroalloy demand will be strong, and the price of ferroalloy will rise sharply.

• Steel tenders and ferrosilicon prices

The spot market price of ferro silicio is cross-referenced with the tender price of steel mills. The current price of ferrosilicon plays a guiding role in the bidding time of steel mills. The timing of the tenders reflects mills' expectations for future ferrosilicon prices. On the other hand, steel prices and purchase volumes also have a certain impact on ferrosilicon futures prices.

• Cost of ferrosilicon production

In the cost of ferrosilicon, electricity accounts for 60%-70%, which has the greatest impact on the cost of ferrosilicon; blue carbon accounts for 25%-30%; raw silicon dioxide accounts for 2%, and silica has little impact on the cost of ferrosilicon.

• Both energy consumption and production restriction policies

Ferroalloy smelting is a highly polluting and energy-intensive industry, and electricity costs account for a high proportion of its costs. In addition to production and supply costs, there is also the impact of the dual-control policy on energy consumption and the policy of curtailment of electricity and production. The short-term rise and fall of ferroalloy prices are often dominated by policy.

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