Alloy Cored Wire
High-Quality Cored Wire For Steel Making
Alloy Cored Wire | Comprehensive Solutions for Steelmaking

Alloy cored wire is a high-efficiency metallurgical material used in modern steelmaking and foundry processes. It is produced by crushing various additives—such as deoxidizers, desulfurizers, modifiers, and alloying agents—into specific particle sizes, then encasing them in a cold-rolled low-carbon steel strip to form a continuous, composite wire of any desired length. These wires are fed into molten steel to modify its chemical composition and enhance quality.
Products specification
| type | Chemical Composition(%) | Diameter | Sheath Thickness | Powder Weight |
| (mm) | (mm) | (g/m) | ||
| CaSi Wire | Si 50-60% | 13±0.8 | 0.4-0.45 | 220±10 |
| Ca 28-30% | ||||
| Pure Ca Wire | Ca≥97% | 9-10 | 0.4-1.0 | 55-67 |
| CaFe Wire | Ca 30-40% | 13±0.8 | 0.35-0.5 | 250±10 |
| Fe 60-70% | ||||
| Carbon Wire | C 80-98% | 13±0.8 | 0.35-0.4 | 135±10 |
| CaAl Wire | Ca≥97% | 9±0.5 | 0.4-0.5 | Al 50 |
| Al≥99% | Ca 50 | |||
| FeTi Wire | Ti 30-40% | 13±0.8 | 0.35-0.5 | 380±10 |
| ReSiMg Wire | Si 42-50% | 13±0.8 | 0.35-0.5 | 240±10 |
| Mg 5-35% | ||||
| Re 2-6% | ||||
| FeS Wire | S 48% | 13±0.8 | 0.35-0.5 | 300±10 |
| Other specifications can be made according to customers requirement | ||||
Technical Specifications:
| Wire Dia. | ID (mm)) | OD (mm) | coil height/ width | Sheath thickness |
| (mm) | (mm) | |||
| A | B | C | ||
| φ 9 | 600 | 1100 | 800-1200 | 0.4-0.45 |
| φ 13 | 600 | 1100 | 800-1200 | 0.35-0.5 |


What is alloy cored wire?
Cored wire is widely used in the steelmaking ladle refining process. Crush CaSi, CaFe, carbon powder and other additives (deoxidizer, desulfurizer, alloy) into a certain particle size, wrap it with cold-rolled steel strips, and wind them into a coil.
According to the different core powder, cored wire features and uses are different. The cored wire is filled with alloy powders such as CaSi, CaFe, C, Ca, FeTi, CaAl, ReSiMg, and FeS, etc.
There are many kinds of alloy cored wire, including Calcium silicon cored wire, Calcium ferro cored wire, Carbon cored wire, ReSiMg wire, Calcium cored wire, Ferro Titanium Cored Wire, Ferro sulfur cored wire, and so on.
Advantages of Alloy Cored Wire
Alloy cored wire is widely used in steelmaking to enhance steel quality and production efficiency. It helps purify molten steel by modifying the shape and behavior of non-metallic inclusions, resulting in cleaner steel and improved casting conditions. This process enhances the castability and performance of the final steel product.
In addition, alloy cored wire significantly increases alloy yield, reduces alloy consumption, and lowers the overall cost of steelmaking. Its use leads to more efficient refining and precise control of steel composition, making it an essential component in modern metallurgical processes.

01
Precise Control of Composition
Helps in accurate adjustment of trace elements in molten steel.
02
High Alloy Recovery Rate
Reduces oxidation loss and improves utilization of additives.
03
Improves Steel Purity and Inclusion Modification
Enhances casting quality and mechanical properties.
04
Cost-Effective and Easy to Operate
Simplifies the wire feeding process with minimal equipment.
Applications of Alloy Cored Wire
Alloy cored wire is widely used in the steelmaking and casting industries
Steelmaking
Used to introduce alloying elements such as calcium, silicon, titanium, and boron into molten steel
Modifies and refines inclusions to improve steel purity
Enhances castability and mechanical properties
01
Desulfurization & Deoxidation
Delivers active elements directly into the molten bath
Efficiently removes sulfur and oxygen to improve steel cleanness
02
Casting & Foundry
Acts as an inoculant to improve graphite structure in cast iron
Stabilizes the metallurgical process and ensures consistent casting quality
03
Production of High-Performance Alloys
Enables precise control of trace elements in special steels and alloys
Suitable for high-strength, corrosion-resistant, or heat-resistant applications
04
Reduction of Production Costs
Improves alloy recovery rate, reduces waste
Minimizes material loss and enhances process efficiency
05
how to make an alloy cored wire?
Alloy Powder Mixing: The alloy powders are mixed according to the specified proportions. This ensures a uniform composition that meets the desired performance requirements for the final product.
Encapsulation in Steel Strips: The mixed core powders are fed into a cored wire machine. The steel strips are folded and clamped tightly around the powder core, encapsulating the mixture evenly within the steel sheath.
Wire Coiling: The cored wire is wound into coils of specified dimensions. This step ensures that the wire is packaged in a manageable form for transportation and subsequent use by the customer.
Quality Inspection: Each coil is chemical composition testing and can accept third-party testing (SGS) to ensure it meets the client’s technical specifications.
Packaging: The coils are securely strapped using steel bands to prevent loosening or deformation during transportation and storage.
Each coil is wrapped with three layers of protective film to safeguard against moisture, dust, and other environmental factors that might compromise quality.
Palletization: The wrapped coils are placed either horizontally or vertically on steel pallets or within steel cages. This step facilitates safe handling and efficient storage during transit.
Shipping and Delivery: The packed cored wire is labeled and prepared for shipment. It is then delivered to the customer, ensuring that all logistical and delivery requirements are met.

Products video
Technical applications of various cored wires in steelmaking and casting
Applications in Steelmaking:
Acts as a powerful deoxidizer and desulfurizer.
Reacts with oxygen and sulfur in molten steel, improving steel purity and reducing non-metallic inclusions.
Promotes uniform distribution of inclusions, improving the mechanical strength and surface quality of steel.
Applications in Foundry:
Enhances graphite formation in cast iron.
Improves fluidity and castability, reducing defects such as porosity.

Calcium ferro Cored Wire (CaFe Wire)

Applications in Steelmaking:
Used as an economical substitute for pure calcium wire.
Improves inclusion morphology and enhances steel cleanliness.
Efficient in desulfurization of carbon steels and alloy steels.
Applications in Foundry:
Improves castability and reduces inclusion-related defects.
Enhances the machinability of cast iron parts.
Applications in Steelmaking:
Used for deep desulfurization and inclusion modification.
Strong affinity for oxygen, sulfur, and nitrogen, improving steel cleanness.
Particularly important in the production of high-strength low-alloy steels, pipeline steels, and IF steels.
Applications in Foundry:
Enhances nodularity in ductile iron.
Controls slag composition and stabilizes the melting process.

Carbon Cored Wire

Applications in Steelmaking:
Precisely controls the carbon content in molten steel.
Ensures accurate steel grades in low-carbon and medium-carbon steels.
Helps maintain the desired chemical composition during ladle refining.
Applications in Foundry:
Enhances carbon recovery rate in cast iron.
Supports the creation of high-carbon cast iron grades with stable graphite formation.
Applications in Steelmaking:
Acts as a grain refiner and nitrogen scavenger.
Controls grain growth and enhances mechanical properties.
Prevents formation of harmful elements like nitrogen-based inclusions.
Applications in Foundry:
Refines grain size in cast structures.
Improves toughness and impact resistance of steel castings.

Calcium Aluminum Cored Wire (CaAl Wire)

Applications in Steelmaking:
Acts as a combined deoxidizer and modifier.
Calcium removes sulfur and modifies inclusions, while aluminum enhances deoxidation.
Used in high-grade steel such as boiler steel, shipbuilding steel, and spring steel.
Applications in Foundry:
Improves slag removal efficiency.
Enhances flow properties of molten metal and reduces slag-related defects.
Applications in Foundry:
Used primarily for the nodularization of ductile iron.
Enhances spheroidization of graphite, improving mechanical strength and elongation.
Stabilizes the molten iron structure and improves casting performance.
Applications in Steelmaking:
Improves inclusion modification and refining processes for special steel grades.
Enhances weldability and impact resistance.

packaging
1. Cored wire is first packaged with finished steel, and then use waterproof plastic film wrapped and protected with a steel cage, and finally put in the packaging.
2. Vertical coils in steel cages on wooden (or steel) pallets, plastic shrink-wrapped, labeled. Or by the customer's requirement.




Why choose us?
Henan Tieyao Trading Co.,LTD
Established in 2005 and headquartered in the historic city of Anyang, Henan Tieyao Trading Co., Ltd. is a premier manufacturer specializing in high-quality ferroalloys. With a state-of-the-art production facility spanning 25,000 square meters, we are equipped with advanced infrastructure, including four intermediate frequency electric furnaces, six alloy cored wire production lines, and a comprehensive crushing system to ensure efficiency and precision in manufacturing.
We offer an extensive portfolio of high-quality ferroalloys, including:
Alloy cored wires (CaSi wire, CaFe wire, pure Ca wire, FeB wire, Carbon wire, FeTi wire, etc.)
Calcium silicon, Ferro silicon, Silicon metal, High Carbon Silicon, Silicon Carbide, and Carburizer
Quality & Certifications
At Henan Tieyao, quality is our top priority. We are certified in ISO 9001:2015 and ISO 14001:2015, ensuring our products meet the highest standards in quality management and environmental responsibility. We conduct rigorous internal quality control and support third-party testing to guarantee compliance with international specifications.
Certifications
We are a partner you can trust to provide the perfect solution for all your cored wire needs.

qMC

EMC

sGS

sGS

trading certificate
Looking for Custom Alloy Cored Wire Solutions?
We provide tailor-made cored wire compositions and diameters based on your steelmaking requirements. From high-strength steels to special alloys, we support your production goals.
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