Why Choose Us?
Competitive Price
As a primary raw material supplier of ferroalloy, we can offer you more competitive prices.
Custom Service
Provide customized plan according to your requirement, advanced after-sale service will provided by Our experienced sales team.
Quality Guaranteed
Henan Xiuyuan trade co.,ltd is one professional export and import suppier in Anyang city, China; Have a good reputation with more than 10 years experience in ferroalloy.
Global Shipping
We have long-term fixed international logistics partners to ensure the stability and safety of logistics. Accept long-term cooperative relationship with advanced technology and equipment, make sure the Quantity and quality are the best.
What is Calcium Silicon?
Calcium-silicon is used mainly for steel production, as it allows inclusive treatments as well as deoxidising and de-sulphuring of liquid steel. Calcium-silicon can be used to protect the coatings of foundry pipelines used for centrifuge casting. It is also used in welding powder and pyrotechnics.
Benefits of Calcium Silicon
Enhanced Deoxidizing Agent: Calcium silicon powder is widely used as a deoxidizing agent in steel production. When added to molten steel, it reacts with oxygen and other impurities, reducing their presence and improving the overall quality of the steel.
Increased Alloy Strength: Calcium silicon powder is an excellent alloying agent, particularly in the manufacturing of various grades of steel and cast iron. Its addition to these alloys enhances their strength, hardness, and resistance to wear and corrosion.
Efficient Desulfurization: In steelmaking, calcium silicon powder plays a crucial role in desulfurization. It reacts with sulfur to form calcium sulfide, which can be easily removed from the molten metal, resulting in lower sulfur content and improved mechanical properties.
Low Vapor Pressure: Calcium silicon powder has a relatively low vapor pressure, making it suitable for high-temperature applications without significant losses due to evaporation. This characteristic is vital in maintaining alloy composition during high-temperature processes.
Controlled Melting Point: The controlled melting point of calcium silicon powder ensures that it remains stable during various manufacturing processes, allowing for consistent and predictable outcomes in alloy production.
Cost-Effective Aluminum Deoxidizer: Calcium silicon powder is often utilized as a cost-effective alternative to aluminum in aluminum-killed steels, a type of steel used in various industries. Its use helps remove dissolved oxygen and prevents the formation of aluminum oxides, resulting in improved steel properties.
Improved Nodularity in Cast Iron: When added to cast iron, calcium silicon powder promotes the formation of spheroidal graphite, also known as nodular graphite. This enhances the ductility and toughness of the cast iron, making it suitable for critical engineering applications.
Lower Density than Pure Silicon: Compared to pure silicon, calcium silicon powder has a lower density, making it more cost-effective in alloy production while still delivering desirable mechanical properties.
Application of Calcium Silicon
Calcium and silicon have a strong affinity with oxygen. Especially calcium metal has a strong affinity with oxygen and has a strong affinity with sulfur and nitrogen. Therefore, calcium silicon is an ideal composite deoxidizer and desulfurizer. Silicon alloys have a strong deoxidizing ability, which helps the deoxidized products easily float and discharge, but can also improve steel's performance in the plasticity, impact toughness, and fluidity, ductility. At present, calcium silicon alloy can replace aluminum for final deoxidation.
It is used in the production of steels with different grades and special alloys. It can also be used as an inoculant and additive in the cast iron industry.
· Compound deoxidizer and desulfurizer.
· Heating agent used in converter steelmaking workshop.
· It can be used as an inoculant for cast iron.
· As an additive to produce ductile iron.
The only reliable way to remove calcium silicate deposits is with a pumice stone — and a lot of hard work. These stains are notoriously difficult to scrub free.
If you have a vinyl or fiberglass pool, you won't be able to use a pumice stone. It would scratch the pool. A calcium-scaling specific additive may remove the deposits, but these products can take months to dissolve calcium silicate. If you can't use a pumice stone, you ought to contact a pool service provider in your area to use professional products that can quickly remove the deposits.
Calcium Silicon is used in passive fire protection and fireproofing as calcium silicate brick or in roof tiles. It is one of the most successful materials in fireproofing in Europe because of regulations and fire safety guidelines for commercial and residential building codes. Where North Americans use spray fireproofing plasters, Europeans are more likely to use cladding made of calcium silicate.
High-performance calcium-silicate boards retain their excellent dimensional stability even in damp and humid conditions and can be installed at an early stage in the construction program, before wet trades are completed and the building is weather-tight. For sub-standard products, silicone-treated sheets are available to fabricators to mitigate potential harm from high humidity or general presence of water. Fabricators and installers of calcium silicate in passive fire protection often also install firestops.
Ferro Silicon Calcium Manganese is used as a deoxidizer, desulphuriser and an alloying element in steel. Ferro Silicon Calcium Manganese can be used as a substitute for Ferro Silicon and Ferro Manganese when added to make different types of steel. Silicon and manganese have a strong affinity for oxygen, and will act as deoxidizers. Whereas Calcium acts as desulphuriser in iron and steel melt.
Industries use Ferro Calcium Silicon alloy is also used for the non-metallic inclusions modification. The suspended solid inclusions of aluminium oxide are liquified by calcium. Calcium (Ca) transforms alumoinium oxide (Al203) into CaO: Al2O3). It also improves the material properties of steel. In the solidified steel, the calcium aluminates are undeformable which maintains the high isotropy of the material properties even after steel working.
Is Calcium Silicon Safe?
Calcium Silicon Powder alloy is a compound alloy made up of elements silicon, calcium, and iron, is an ideal compound deoxidizer, desulfurization agent. Starting around 1907, the calcium Silicon Powder alloy was produced by silicon thermal method.
At present calcium alloy can be used instead of aluminum for final deoxidation, is applied to high-quality steel, special steel and special alloys production. Such as rail and low carbon steel, stainless steel, steel and nickel base alloy, titanium alloy and other special alloy, are available the calcium silicon alloy as deoxidizer.
The Calcium Silicon Powder alloy by calcium, silicon and impurity content is different, divided into five grades, its chemical composition in accordance with the provisions of the table below.
How to Preserve Calcium Silicon Powder?
Calcium-silicon in accordance with relevant regulations, is delivered in closed railway wagons and/or in closed truck trailers. It can be transported either in bulk or in pallet boxes with the net content of 1,000 kg or in big bags with the net content of 1,000 kg. During transportation the product must be kept away from moisture and it should be stored at dry and properly ventilated storage place.
Calcium-silicon powder in accordance with relevant regulations is delivered in closed railway wagons and/or in closed truck trailers. It is usually packed in big bags with the net content of 1,000 kg. The product must be stored in dry and properly ventilated storage places and it is important that it is kept away from moisture during transport. It is also advisable that the product remains sealed until being used.
The Chemistry of Calcium Silicon
Calcium Silicon is the chemical compound Ca2SiO4, also known as calcium orthosilicate and sometimes formulated 2CaO.SiO2. Often referred to by its shortened trade name Cal-Sil or Calsil, calcium silicate is one of a group of compounds obtained by reacting calcium oxide and silica in various ratios.
Calcium Silicon is a white free-flowing powder derived from limestone and diatomaceous earth, and it has a low bulk density and high physical water absorption. Calsil is used in roads, bricks, roof tiles, table salt and even therapeutic antacids. It's chemical constitution makes it especially suitable as a prime ingredient in high-temperature insulation.
Our Factory
Henan Xiuyuan trade co.,ltd is one professional export and import suppier in Anyang city, China; we supply reasonable price, good service; we will use our professional way to for the general new and old customers with more good quality, more professional services, create a better tomorrow!
There are two team to meet your requirement, our technology team working on innovate and improve products and our sales team working on provide the personalized situation and after-sale service.
We have the ability to meet your specific needs and promptly resolve your issues during the purchasing process.

Ultimate FAQ Guide to Calcium Silicon
As one of the leading calcium silicon manufacturers and suppliers in China, we warmly welcome you to buy cheap calcium silicon for sale here from our factory. All our products are with high quality and competitive price.
calcium silicon, Calcium Silicon Lump

