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What Is The Price Of Calcium Silicate Cored Wire?

Dec 24, 2025

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What is the price of Calcium silicate cored wire?

 

 

Today's export price of cored wire from China
product index price rise and fall port Remark
Calcium silicate cored wire ca30si60∮13mm 1270-1300 -- Tianjin Port FOB, USD/ton
Calcium silicate cored wire ca28si55∮13mm 1130-1150 -- Tianjin Port FOB, USD/ton
Pure calcium cored wire ca98%min∮9mm (Ca58-68g) 1420-1490 -- Tianjin Port FOB, USD/ton

What is the price of Calcium siliconCore-coated wire per kg?

 

 

Today's China Core-Spun Wire Market Summary
Product price (RMB/ton, including tax) area November 11 transaction price November 12th transaction price Change in yuan/ton
Calcium siliconCore-coated wireCa30Si58∮13mm Jiangsu 9100-9400 9100-9400 flat
Calcium silicate cored wire Ca28Si55∮13mm Henan 8100-8400 8100-8400 flat
Solid pure calcium wire Ca98%min∮9mm (Ca58-68g) Zhejiang 10200-10600 10200-10600 flat
Henan 10200-10600 10200-10600 flat
Jiangsu 10200-10600 10200-10600 flat
Seamless metallic calcium wire Ca97-98%min∮9mm (strip steel 1.0mm) Shandong 10000-10500 10000-10500 flat
Henan 10000-10500 10000-10500 flat
Seamless metallic calcium wire Ca97-98%min∮10mm (strip 1.5mm) Shandong 9000-9500 9000-9500 flat
Henan 9000-9500 9000-9500 flat
Carbon-coated wire C96-99% ∮13mm Henan 5000-5300 5000-5300 flat
Jiangsu 5200-5500 5200-5500 flat
Titanium-coated iron wire (Ti70%min) ∮13mm Liaoning 26300-29000 26300-29000 flat
Henan 26300-29000 26300-29000 flat
Jiangsu 26300-29000 26300-29000 flat
Spheroidized cored wire Si42-46mg28-30RE2 ∮13mm Jiangsu 9700-9900 9700-9900 flat
Henan 9400-9700 9400-9700 flat
Inner Mongolia 9400-9700 9400-9700 flat
Spheroidized cored wire Si42-46mg25RE2 ∮13mm Inner Mongolia 9100-9300 9100-9300 flat
Spheroidized cored wire Si40Mg30Re2∮13mm Liaoning 9800-10100 9800-10100 flat
Calcium-iron cored wire (FeCa30min∮13mm) Jiangsu 9100-9200 9100-9200 flat
Henan 9100-9200 9100-9200 flat
Hubei 10700-10900 10700-10900 flat

Silica Calcium Cored Wire VS Aluminum Calcium Cored Wire

 

The Great Debate: Silica-Calcium vs. Aluminum-Calcium Cored Wire
In the world of secondary metallurgy, the quest for cleaner, stronger, and more cost-effective steel is relentless. Two titans often stand at the center of this battle: Silica-Calcium (SiCa) Cored Wire​ and Aluminum-Calcium (AlCa) Cored Wire. Both are powerful deoxidizers and inclusion modifiers, but they are far from interchangeable.
Choosing the right one isn't just about chemistry; it's about optimizing your entire steelmaking process for performance and profitability. Let's break down the key differences to help you make an informed decision.

1. The Chemistry & Mechanism of Action

At their core, both wires work by injecting reactive elements into the molten metal bath via a steel sheath. However, their chemical behavior and resulting effects are distinctly different.
Silica-Calcium (SiCa) Cored Wire:
Composition:​ Primarily Silicon (Si) and Calcium (Ca), with a small amount of Iron.
Mechanism:​ SiCa acts as a potent deoxidizer, rapidly consuming oxygen in the melt. More importantly, the calcium forms stable, high-melting-point compounds with sulfur (forming CaS) and oxygen (forming CaO-Al₂O₃ or similar spinels). This transforms harmful, low-melting-point inclusions into globular, harmless ones that float out easily.
Key Benefit:​ It provides a dual action-deoxidation and modification-in a single, efficient package.
Aluminum-Calcium (AlCa) Cored Wire:
Composition:​ A mixture of Aluminum (Al) and Calcium (Ca).
Mechanism:​ Aluminum is a very strong deoxidizer, even more so than silicon. It quickly scavenges oxygen, forming Al₂O₃. The addition of calcium then modifies these aluminum oxides into spherical, non-deformable inclusions.
Key Benefit:​ It offers extreme deoxidation power combined with excellent inclusion control, particularly effective in steels where aluminum is already used as a primary deoxidant.

2. Performance on the Shop Floor: A Head-to-Head Comparison

Feature
Silica-Calcium (SiCa) Cored Wire
Aluminum-Calcium (AlCa) Cored Wire
Deoxidation Strength​
Strong, but less aggressive than AlCa.
Extremely strong.​ Ideal for deep deoxidation.
Sulfur Control​
Excellent.​ Directly reacts with S to form CaS.
Moderate. Less direct impact on sulfur removal.
Inclusion Modification​
Excellent for modifying SiO₂-based and alumina inclusions into globular shapes.
Superior for modifying hard, refractory Al₂O₃ clusters.​
Impact on Tramp Elements​
Minimal impact on tramp elements like Cu, Sn, etc.
Can introduce or increase aluminum content significantly.
Yield & Recovery Rate​
High recovery rate (~25-35%). Stable performance.
Variable recovery rate, highly dependent on slag conditions.
Cost-Effectiveness​
Generally considered a high-value, cost-efficient​ solution.
Can be more expensive due to higher raw material costs (Al).

3. Application Scenarios: Where Each Wire Shines

Your choice should be dictated by the specific requirements of your steel grade and process.
Choose Silica-Calcium (SiCa) When:
You need comprehensive desulfurization.​ For producing high-quality line pipe, pressure vessel steel, and other critical applications requiring ultra-low sulfur levels (<0.005%).
You are producing medium-carbon and low-alloy steels.​ Its balanced chemistry makes it ideal for these grades without excessively altering their composition.
You want to improve castability and reduce nozzle clogging.​ The globular inclusions formed by SiCa promote better flow through the tundish and submerged entry nozzle (SEN).
You are focused on overall process stability and yield.​ SiCa offers predictable results and a high return on investment.
Choose Aluminum-Calcium (AlCa) When:
Your steel is "Al-killed."​ If aluminum is already added as a primary deoxidizer, AlCa is the perfect companion to manage the resulting alumina inclusions.
You require maximum deoxidation.​ For certain electrical steels or special alloys where residual oxygen must be minimized to almost zero.
You are dealing with severe nozzle clogging issues caused by hard alumina deposits.​ AlCa is exceptionally effective at spheroidizing these stubborn inclusions.

Conclusion: It's Not About Which is Better, But Which is Right for You.

Both Silica-Calcium and Aluminum-Calcium cored wires are indispensable tools in modern steelmaking. They are not competitors in a zero-sum game but specialized solutions for specific challenges.
However, for many steelmakers seeking a versatile, highly effective, and economically sound solution for producing clean steel with excellent mechanical properties, Silica-Calcium (SiCa) Cored Wire often emerges as the champion.
Its ability to simultaneously deoxidize and desulfurize, its positive impact on inclusion morphology, and its consistent performance across a wide range of steel grades make it a cornerstone of efficient and profitable steel production.
Need help determining the best cored wire for your specific furnace and steel grade? Our team of experts is ready to provide a tailored analysis and recommendation. Contact us today for a free consultation.
 

Visit ferro-silicon-alloy.com to learn more about the product. If you would like to know more about the product price or are interested in purchasing, please send an email to info@zaferroalloy.com. We will get back to you as soon as we see your message.

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