What Is The Price Of Calcium Silicate in China?

Dec 11, 2025

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What is the price of calcium silicon today? What is the price of calcium silicate in China?

Current Market Price Ranges for CaSi Used in Steel & Foundry Metallurgy

The price of calcium silicon​ (also called calcium silicide, chemical formula CaSi or CaSi₂ depending on composition) fluctuates daily based on raw material costs, energy prices, supply‑demand balance, and market region.

 

Today's export price of calcium silicate from China
Product (Natural Block) Brand Price (USD/ton) rise and fall Note (FOB)
Calcium silicon ca30si60 1340-1360 -- Tianjin Port
Calcium silicon ca28si58 1330-1350 -- Tianjin Port

 

 

How much does calcium silicon cost?

Today's market summary for silicon-calcium, silicon-barium, and metallic calcium in China
(1) National standard silicon calcium (RMB/ton, including tax)
Brand area November 11 transaction price November 12th transaction price rise and fall
National Standard Ca1 Shaanxi 9100-9300 9000-9200 ↓100
Ningxia 9100-9300 9000-9200 ↓100
Inner Mongolia 9100-9300 9000-9200 ↓100
National Standard Ca2 Shaanxi 9000-9200 8900-9100 ↓100
Ningxia 9000-9200 8900-9100 ↓100
Inner Mongolia 9000-9200 8900-9100 ↓100
ca28si55 Henan 8200-8300 8200-8300 flat
ca28si50 Henan 7200-7400 7200-7400 flat
(2) Barium silicon (RMB/ton, ex-factory price including tax)
Brand (Natural Block) area November 11 transaction price November 12th transaction price rise and fall
Si50-55Ba30 Inner Mongolia 7300-7400 7300-7400 flat
Gansu 7400-7500 7400-7400 ↓50
Si65-75Ba4-6 Qinghai 5950-6000 5950-6000 flat
Ningxia 6100-6200 6100-6200 flat
Si65-75Ba2-3 Ningxia 6100-6200 6100-6200 flat
Smelting inoculant Si≥68Ba4-6 (1-3/3-8mm) Inner Mongolia and Ningxia 6600-6800 6600-6800 flat
Jiangsu and Shaanxi 6800-7000 6800-7000 flat
(3) Calcium metal series (RMB/ton, cash price including tax)
product area November 11 transaction price November 12th transaction price rise and fall
Crude Calcium Metal Shanxi 16300-16500 16300-16500 flat
Metallic calcium wire Henan 19500-19800 19500-19800 flat
Metallic calcium particles Henan 19000-19300 19000-19300 flat

 

 

What factors influence the price of calcium silicate?

  • Calcium & silicon raw material costs​ (lime, quartz, coke).
  • Electricity prices​ (arc furnace production is energy intensive).
  • Order volume: Bulk purchases (>20 MT) receive lower unit prices.
  • Logistics & import duties: Prices higher in regions far from major producers (China, Russia, Norway).
  • Purity & sizing: Higher Ca content and custom sizes command premium.
  • Market Trend: Prices have seen moderate upward movement (2023–2024)​ due to rising energy costs and strong demand in automotive and construction steel sectors.

 

What Is Calcium Silicon Used for in the Metallurgical Industry?

Core Applications in Steelmaking and Foundry Processes
Application
Function
Benefit
Steel deoxidation
Reacts with oxygen to form CaO & SiO₂ slag
Produces cleaner steel, reduces inclusions
Inclusion modification
Transforms harmful Al₂O₃ into low‑melting calcium aluminates
Improves steel fluidity, machinability
Desulfurization
Ca reacts with S to form CaS
Lowers sulfur content in steel/iron
Ductile iron nodularization
Combined with Mg or rare earths
Promotes spherical graphite formation
Foundry inoculation
Controls graphite shape in cast iron
Reduces chill, refines structure

 

What Are the Main Properties of Calcium Silicon for Metallurgical Use?

 Characteristics That Determine Performance & Pricing
Property
Typical Range / Description
Metallurgical Relevance
Chemical composition
Ca: 28–33%, Si: 55–60%, Fe: balance
Dictates deoxidation & modification power
Melting point
~1010–1020 °C (CaSi), ~1030 °C (CaSi₂)
Allows effective reaction in liquid metal
Density
~2.4–2.6 g/cm³
Influences feeding & dissolution rate
Particle size
Lump (10–80 mm), granules, powder
Smaller sizes dissolve faster but cost more
Reactivity
High with O, S, and Al₂O₃
Essential for inclusion control

 

What Should Be Considered When Purchasing Calcium Silicon Today?

Key Factors for Quality, Cost, and Process Efficiency
  • Confirm Ca and Si analysis​ via supplier's Certificate of Analysis (CoA).
  • Match form & size​ to your feeding system (furnace vs. ladle vs. stream).
  • Evaluate packaging​ (moisture‑proof bags or bulk containers) to prevent deterioration.
  • Compare landed cost​ (including freight, taxes, handling) rather than just FOB price.
  • Check supplier reliability​ for consistent composition and on‑time delivery.
  • Monitor market trends​ for optimal purchase timing (prices can shift weekly).

 

Summary Table

Question
Answer
What is the price of calcium silicon today?
1340-1360  depending on Ca content, form, and region; high‑Ca and powder forms are more expensive.
What is it used for in metallurgy?
Steel deoxidation, inclusion modification, desulfurization, ductile iron nodularization, foundry inoculation.
What are its key properties?
Ca 28–33%, Si 55–60%, low melting point, high reactivity with O/S/Al₂O₃.
What to consider when purchasing?
Verify composition, match form to process, assess packaging, compare total cost, ensure reliable supply.

 

Visit https://www.metal-alloy.com/ to learn more about the product. If you would like to learn more about the product price or are interested in purchasing, please email market@zanewmetal.com. We will get back to you as soon as we see your message.

 

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