Ca-Si Cord Wire is a calcium silicon cored wire containing Si ≥55% and Ca ≥28%. It is used in steelmaking for deoxidation, desulfurization, and inclusion modification, improving molten steel cleanliness and casting performance.

Product Specifications
|
Item |
Specification |
|
Chemical Composition |
Si ≥55%, Ca ≥28% |
|
Wire Diameter |
13 mm |
|
Powder Weight |
225 ± 10 g |
|
Inner Diameter |
540 mm |
|
Outer Diameter |
1130 mm |
|
Height |
800 mm |
|
Packing Method |
Vertical Packing |
Key Features
High calcium silicon content provides effective deoxidation and sulfur control during secondary steel treatment.
Cored wire structure enables precise alloy addition and improves recovery efficiency compared with bulk additives.
Stable wire diameter and powder filling support consistent feeding performance in automated injection systems.
Applications
Steelmaking Plants – Used in ladle treatment to add calcium and silicon for deoxidation, desulfurization, and inclusion modification.
Continuous Casting Production – Helps control non-metallic inclusions and improve casting stability.
Special Steel Manufacturing – Applied in alloy steel production requiring strict cleanliness and composition control.
Foundries and Metallurgical Processing – Used for molten metal treatment and alloy adjustment processes.
Production & Quality Assurance
Production Process
Raw Material Preparation – Selects qualified calcium silicon alloy materials according to required chemical composition.
Alloy Crushing & Screening – Processes alloy into suitable particle sizes for stable wire filling.
Wire Forming & Filling – Encapsulates alloy powder into steel strips to produce cored wire with uniform filling.
Surface Inspection & Coiling – Checks wire appearance and coils finished products according to specifications.
Packaging Preparation – Protects finished coils for safe storage and international transportation.
Quality Control
Chemical Composition Analysis – Tests Si, Ca, and impurity content by laboratory chemical analysis.
Powder Weight Inspection – Verifies filling weight consistency per coil.
Wire Diameter Measurement – Checks dimensional accuracy of finished cored wire.
Coil Dimension Inspection – Measures inner diameter, outer diameter, and coil height.
Appearance Inspection – Checks surface condition, welding quality, and structural integrity.
Batch Traceability Control – Records production parameters and inspection results for each batch.
Customization Options
Chemical Composition: Si/Ca ratio and impurity level adjustment according to steelmaking requirements.
Wire Diameter: Available in standard or customized diameters.
Powder Filling Weight: Adjustable according to feeding equipment and application conditions.
Particle Size: Alloy powder size can be customized for different feeding processes.
Coil Dimensions: Inner diameter, outer diameter, and height customization available.
Product Length & Coil Weight: Customized based on customer handling and production needs.
Packaging & Shipping
Standard Packaging: Vertical coil packaging with tray support.
Shipping Methods: Sea freight, air freight, and express delivery available.
Export Support: Suitable for container loading, international wholesale supply, and bulk shipments.
FAQ
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