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Cored Wire for Steelmaking and Casting

Core wire can be more effective in the process of steelmaking or casting of smelting materials into the steel or iron water, through the professional feeding line equipment can be inserted into the ideal position of the core wire, when the core wire skin melting line core can be in the ideal position to get fully dissolved and produce a chemical reaction, effectively avoiding the reaction with the air, slag, and improve the absorption rate of smelting materials, widely used as deoxidizers, desulfurizers, alloying additives, can change the shape of the inclusions in the steel, and effectively improve the quality of the steelmaking and casting products.
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Cored wire is an essential product in the steelmaking and casting industries, designed to enhance the quality and efficiency of steel production. Manufactured by encasing alloy materials within steel strips, cored wire delivers key metallurgical additives directly into molten steel or iron, ensuring optimal chemical reactions and improved absorption rates. This innovative solution serves as a powerful tool for deoxidation, desulfurization, and alloying, ultimately leading to superior steel quality and reduced production costs.

Types of Cored WireCored wire is categorized based on the type of alloy powder used. Some of the most commonly used varieties include:

  • Calcium Silicon Cored Wire

  • Calcium Iron Cored Wire

  • Carbon Cored Wire

  • Titanium Iron Cored Wire

  • Calcium Aluminum Cored Wire

  • Silicon Calcium Barium Cored Wire

  • Silicon Aluminum Barium Calcium Cored Wire

  • Pure Calcium Cored Wire

Each type of cored wire serves a specific purpose and delivers unique benefits. Therefore, selecting the appropriate cored wire for a given application is critical to achieving optimal results.

Specialized Cored Wire Varieties

  • Carbon Cored Wire: Used for carburization in steelmaking.

  • Rare Earth Magnesia-Silica-Calcium Alloy Cored Wire: Ideal for desulfurization processes.

  • High-Grade Alloy Cored Wire: Designed for precise alloy addition.

  • Iron-Calcium Cored Wire

  • Aluminum-Calcium Cored Wire


Alloy Cored Wire Type

Diameter

Filling rate

Specification

CaSi Cored Wire

9mm/13mm/16mm

120/225/330

Ca:30%min Si:55%min Al:1.5%maxS:0.06%max C:1.0%max Fe:4%maxP:0.05%max

CaFe Cored Wire

9mm/13mm/16mm

140/260/360

Ca:30%min Fe:68%min Al:0.8%max

C Cored Wire

9mm/13mm/16mm

55/140/210

C:98.5%min Ash:0.45%max V:0.4%maxS:0.5%max H2O:0.3%max P:0.2%max

Pure Ca Cored Wire

9mm/13mm

58/155

Ca:98.5%min Mg:0.5%max Al:0.5%max

Solid Ca Cored Wire

9mm/10mm

9mm/10mm

Ca:98.5%min Mg:0.5%max Al:0.5%max

FeS Cored Wire

9mm/13mm

220/370

S:48%min Pb:0.1%max Zn:0.1%maxAs:0.1%max Fe:43%-45% Cu:0.05%maxMoisture:0.5%max SiO2:2.5%max

CaAlFe Cored Wire

9mm/13mm

130/230

Ca:40% Fe:30% Al:30%

Pure Mg Cored Wire

9mm/13mm

80/170

Mg:99%min

SiBaCa Cored Wire

9mm/13mm

110/260

Si:40%-50% Ba:10%-20% Ca:20%-30%

FeSi Cored Wire

9mm/13mm

150/350

Si:75%min Fe:Balance


Applications of Cored Wire in Steelmaking and Casting

Cored wire is extensively used in steelmaking to achieve the following:

1. Deoxidation in Steelmaking

Cored wire is widely used in the deoxidation process of steelmaking. By adding deoxidizers to the molten steel via cored wire, oxygen levels are reduced, preventing the formation of unwanted oxides. This improves the steel's properties, making it more durable and reliable. For example, calcium silicon cored wire is commonly used in the deoxidation of steel, resulting in improved product quality.

2. Desulfurization for Cleaner Steel

Cored wire is also essential for the desulfurization of steel. By introducing desulfurizing agents, such as rare earth magnesia-silica-calcium alloy cored wire, it effectively reduces sulfur content in molten steel. This ensures that the final product meets stringent industry standards, particularly in applications that require high-strength and high-quality steel.

3. Alloy Addition for Customized Steel Properties

In addition to deoxidation and desulfurization, cored wire is used for precise alloy addition in steelmaking. Different types of cored wire, such as titanium iron cored wire and silicon calcium barium cored wire, are used to customize the properties of steel, such as hardness, corrosion resistance, and ductility. By carefully selecting the right alloying elements, steelmakers can create steel products suited to specific industrial applications.

4. Improving Steel Purity and Performance

The introduction of cored wire in steelmaking also helps improve the overall purity of steel. By refining inclusions and promoting controlled chemical reactions, cored wire enhances the mechanical properties of steel, ensuring that the final product meets high-performance standards. This is especially important in industries that require precise, high-quality materials such as aerospace, automotive, and construction.

5. Cost Reduction in Alloy Usage

By increasing the efficiency of alloy usage, cored wire reduces the overall consumption of alloy materials in steel production. This not only helps lower material costs but also improves the sustainability of steelmaking operations by reducing waste.

Production Capabilities

Our manufacturing facility is equipped to produce a wide range of cored wire specifications and varieties, tailored to meet diverse technical requirements. Our products have undergone rigorous industrial testing in numerous steel enterprises across the country, demonstrating consistent performance in terms of:

1. Enhanced Steel Quality

Cored wire significantly improves the quality of steel by refining inclusions in the molten metal. Through controlled feeding into molten steel, it promotes superior deoxidation and desulfurization. This refined process ensures that the steel's mechanical properties, such as tensile strength and durability, are enhanced, leading to superior final products.

2. Cost-Effective Alloying

One of the major advantages of using cored wire is its ability to increase the efficiency of alloy usage. The controlled introduction of alloying agents reduces waste and lowers overall costs. By improving the yield of alloy materials and reducing unnecessary consumption, cored wire ensures substantial cost savings in steel production.

3. Improved Castability

Cored wire plays a significant role in enhancing the castability of molten steel. The use of cored wire helps increase the fluidity of the steel, making the casting process smoother and more efficient. This leads to fewer casting defects and enhanced production efficiency, thus improving the overall performance of steel products.

4. Precise Alloy Addition

Each type of cored wire is tailored for specific alloying processes. This precision ensures that the desired alloy elements are introduced into the molten steel in the correct proportions. Whether used for deoxidation, desulfurization, or alloying, cored wire helps achieve the perfect balance of alloy elements for superior steel quality.

5. High Operational Efficiency

Our cored wire products are designed for optimal feeding and precise positioning within molten steel. The advanced feeding line equipment ensures that the cored wire reaches the ideal position in the steel, maximizing the chemical reactions and absorption rates. This results in minimal operational disruption and continuous production flow.

Packaging Options

Cored wire is typically packaged in steel cages, with two primary packing methods available:

  1. Inside Tap Type: Designed for easy dispensing during use.

  2. Outside Put Type: Offers convenient storage and handling.

Why Use Cored Wire?

Cored wire simplifies the process of introducing metallurgical materials into molten steel during steelmaking. It ensures precise and efficient delivery of alloying elements, minimizing waste and maximizing absorption rates.

Cored wire is an indispensable tool in modern steelmaking and casting processes. Its ability to improve steel quality, reduce costs, and enhance operational efficiency makes it a valuable asset for steel manufacturers. By selecting the appropriate type of cored wire and utilizing it correctly, steelmakers can achieve superior results and gain a competitive edge in the industry.


For more information on our cored wire products and how they can benefit your operations, feel free to contact us. Hongshun is ready to assist you in finding the perfect solution for your steelmaking and casting needs.

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