What Is Ferro Silicon Calcium Barium Alloy?
Ferro Silicon Calcium Barium is a multi-component ferroalloy containing silicon, calcium and barium, mainly used in steelmaking as a deoxidizer, desulfurizer and inclusion modifier. The combination of Ca and Ba improves the treatment effect of molten steel.
Compared with single-element deoxidizers, calcium and barium can work together with silicon during secondary metallurgy. The alloy helps control non-metallic inclusions, improve steel cleanliness and support more stable steelmaking results.
The product is available in several FeSi45CaBa grades, allowing steelmakers to select the calcium and barium content according to steel grade, refining process and treatment requirements.
Ferro Silicon Calcium Barium Chemical Composition
The main difference between Ferro Silicon Calcium Barium grades is the calcium and barium content. The standard grades contain Si 45% min, while Ca and Ba levels are adjusted for different steelmaking requirements.
| Grade | Ca % | Ba % | Si % |
| FeSi45Ca15Ba10 | ≥15 | ≥10 | ≥45 |
| FeSi45Ca13Ba10 | ≥13 | ≥10 | ≥45 |
| FeSi45Ca11Ba10 | ≥11 | ≥10 | ≥45 |
| FeSi45Ca9Ba10 | ≥9 | ≥10 | ≥45 |
| FeSi45Ca7Ba15 | ≥7 | ≥15 | ≥45 |
| FeSi45Ca5Ba15 | ≥5 | ≥15 | ≥45 |
Other elements such as Al, Mn, C, P and S are controlled according to the product specification. Custom chemical compositions can be discussed for specific steelmaking requirements.
Grade selection depends mainly on the required Ca and Ba content, steel grade and refining process. Stable chemistry is important for accurate alloy addition and consistent treatment results.
How Is Silicon Calcium Barium Used in Steelmaking?
Ferro Silicon Calcium Barium is added during secondary steelmaking and ladle treatment. The addition process is normally arranged after primary melting and before the final steel composition is adjusted.
Calcium treatment can modify non-metallic inclusions in molten steel, while silicon provides deoxidation during the refining process. Barium is included in the alloy system to support the treatment of molten steel.
The addition method depends on the steel grade, molten steel temperature and refining equipment. Different production lines may use different addition rates and treatment sequences.
For steelmakers, proper timing and addition control are important when using Ferro Silicon Calcium Barium for inclusion modification and deoxidation.
Choosing a Reliable Ferro Silicon Calcium Barium Supplier
For industrial procurement, supplier evaluation should cover more than chemical composition. Particle size, packaging, production capacity, delivery time and batch consistency are also important factors for long-term supply.
Different steel plants may have specific requirements for alloy size and packaging. Clear specifications before production can help avoid differences between the ordered material and the actual production requirements.
A manufacturer with established ferroalloy production and processing capabilities can provide multiple FeSi45CaBa grades, together with different size and packaging options for bulk orders.If you are sourcing Ferro Silicon Calcium Barium, send us your required grade, size and quantity. We can provide product specifications and a quotation based on your require.