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What Are The Benefits Of Using Silicon Carbide As A Deoxidizer?​​

Oct 17, 2025

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What Are the Benefits of Using Silicon Carbide as a Deoxidizer?​​

Silicon carbide acts as an ​​effective deoxidizer in metallurgy​​ (steel, cast iron, etc.).

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​​Benefit​​
​​Explanation​​
​​Impact on Metal Quality​​
​​Oxygen Removal​​
Reacts with oxygen:
​​SiC + 2O₂ → SiO₂ + CO₂​​
​​SiC + 3FeO → Si + 3Fe + CO​​
​​Reduces porosity & improves steel purity​​.
​​Silicon Alloying​​
Provides ​​silicon (Si) for strengthening​​.
Enhances ​​hardness & corrosion resistance​​.
​​Carbon Contribution​​
Adds ​​carbon (C) for steel hardening​​.
Useful in ​​carbon steels & cast irons​​.
​​Slag Formation​​
Forms ​​SiO₂ slag​​ that floats & is removed.
​​Cleaner molten metal, fewer inclusions​​.
​​Energy Efficiency​​
Faster deoxidation than traditional agents.
​​Reduces refining time & costs​​.

 

​​Why Use SiC as a Deoxidizer?​​

✅ ​​Better than silicon or carbon alone​​.
✅ ​​Removes oxygen ​​and​​ adds beneficial elements (Si, C)​​.

 

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