Zhen an Metallurgy
Tundish refractory material
Zhen An Metallurgy provides refractory materials for steel mills, smelting foundries, and continuous casting. We are a professional producer, manufacturer, supplier, exporter and wholesaler.
Isostatic Pressed
Long Service Life
High Strength
Custom Design
High Precision
Thermal Shock Resistance
Tundish refractory material
The tundish is the intermediate container for the molten steel to flow from the ladle to the casting machine mold in the continuous casting process. Its main function is to receive the molten steel in the ladle and evenly distribute it to the crystallizer. It also plays the role of purifying the molten steel, removing inclusions, and balancing the temperature.
The tundish refractory materials we provide you are resistant to erosion, corrosion, and thermal shock. The tundish refractory materials are the core consumables of the continuous casting process. Their design and selection directly affect the purity of the molten steel, the efficiency and cost of continuous casting.
Functional components such as slide plates and nozzles need to be customized according to the steel type and process conditions. At the same time, the maintenance of refractory materials (such as preheating and replacement cycle) is crucial to production stability.
Choosing to cooperate with us, you can get more stable product quality, professional technical support, and large-volume discounts. Support free sample testing, please contact us now!
Tundish refractory material Products
The tundish is an intermediate container between the ladle and the casting machine during the continuous casting of steel. It is used to temporarily store molten steel, evenly distribute molten steel to the casting machine, and adjust the flow rate of molten steel. It also plays the role of purifying molten steel, removing inclusions, and balancing temperature.
The refractory materials need to meet the requirements of high temperature resistance, anti-scouring, and anti-erosion. Zhenan provides you with tundish refractory materials, including nozzles, slides, and immersion nozzles, etc.
Tundish Slide Gate
Tundish Nozzle
Tundish Upper Nozzle
Tundish Lower Nozzle
Zirconia Insert
Core components of refractory materials in tundish
We provide you with the core components of tundish refractory, including slide plate, nozzle, etc., to provide customized solutions for your steelmaking consumables.
Function: Control the flow of molten steel through the sliding mechanism, installed at the bottom of the tundish or the bottom of the ladle.
Nozzle, upper nozzle, immersed nozzle, better corrosion resistance, used for highly corrosive steel grades (such as titanium-containing steel)
Slag retaining wall/dam, impact plate, stopper rod, control of molten steel flow by lifting
Tundish refractory material for steelmaking
| Part | Refractory Type | Main Function |
| Working Lining | Magnesia, Alumina-Magnesia, Alumina-Silica dry material | Directly contacts molten steel, high-temperature resistance, corrosion resistance |
| Backing Lining | High-alumina bricks, insulating bricks | Protects tundish shell, provides insulation, reduces heat loss |
| Permanent Lining | High-alumina bricks, clay bricks | Structural support, long-term use |
| Component | Refractory Material | Function |
| Upper Nozzle | High-alumina carbon, zirconia | Controls molten steel flow into the tundish, erosion-resistant |
| Lower Nozzle | Zircon, magnesia-carbon | Controls molten steel flow into the mold, stabilizes flow |
| Slide Gate Plate | Alumina-carbon, zirconia | Works with slide gate system to regulate steel flow |
| Dams | High-alumina, magnesia | Blocks inclusions in molten steel |
| Weirs | Magnesia, alumina-magnesia | Guides molten steel flow, reduces turbulence |
| Submerged Entry Nozzle (SEN) | Zirconia, magnesia-carbon | Directs molten steel into the mold, prevents secondary oxidation |
| Gas Purging System | Porous bricks, multi-hole plugs | Uses argon gas to stir molten steel and remove impurities |
| Category | Tundish refractory materials |
| Main function | Regulate the flow of molten steel, prevent inclusions from entering the mold, stabilize the temperature of molten steel |
| Working lining material | Magnesium, aluminum-magnesium, aluminum-magnesium spinel bricks or castables |
| Permanent lining material | High-aluminum bricks, insulation bricks, low-cement refractory castables |
| Sprue system | Tundish water inlet, slag retaining wall, overflow weir |
| Cover material | Tundish covering agent, lightweight insulation material |
| Repair and maintenance | Spray coating, repair material |
Intermediate ladle refractory
Ladle refractory as a whole
Converter refractory overall
Electric furnace refractory overall
Application of refractories in steel mills:
The continuous casting process of steelmaking is mainly used for the diversion and purification of molten steel and the improvement of the quality of ingots.
Production of special steel grades
It is suitable for the production of high-quality steel grades such as stainless steel, high carbon steel and alloy steel.
Steelmaking process
Ladle refractory materials are used for transporting and pouring molten steel, which are suitable for the production needs of ordinary carbon steel, high carbon steel, high alloy steel, stainless steel, etc.
Out-of-furnace refining process
It is used in refining processes such as LF furnace (ladle refining furnace), VD/VOD furnace (vacuum degassing furnace), etc. to ensure high-quality production of molten steel.
Our product advantages
We are a manufacturer specializing in providing refractory materials for the steelmaking and metal smelting industries. Our products include slide plates, nozzles, nozzles, etc., which are widely used in ladles and tundishes (including ladles in steelmaking processes and tundishes in continuous casting processes). These refractory materials play a key role in controlling the flow of molten steel, cutting off or opening the flow of molten steel, and ensuring production safety and efficiency.
Our slide plate system adopts the latest two-plate linear design, equipped with hydraulic or gas spring pressure system to ensure precise control of molten steel flow, extend service life and reduce maintenance requirements. Studies have shown that the life of traditional slide plate systems is a bottleneck, but our products have improved durability through optimized design and are suitable for high-requirement production such as high-carbon steel.
Our slide plates and nozzles are made of high-aluminum or aluminum-carbon refractory materials, which are resistant to high temperature and corrosion, protect the bottom of the ladle, extend the service life of the equipment, and ensure safe and efficient operation. The nozzles are made of high-quality materials such as alumina and zirconia to accurately control the flow of molten steel, reduce turbulence, keep the steel pure, and are particularly suitable for continuous casting processes.
Steelmaking and continuous casting: The sliding design regulates the flow of molten steel, ensures stable transmission from the ladle to the tundish, and reduces the risk of leakage and reoxidation.
Out-of-furnace refining: Protect the bottom of the ladle in highly corrosive environments and extend the service life of the equipment.
- High durability: High-performance materials such as Al2O3-ZrO2-C are used to extend the service life and reduce the frequency of replacement.
- Efficient operation: The two-plate linear design supports fast maintenance, reduces downtime and improves production efficiency.
- Reliability: The gas spring pressure system ensures sealing when closed, reducing safety hazards.
- Material: Al2O3-ZrO2-C, temperature resistance >1600°C.
- Specifications: Thickness 20-50mm, aperture Ø60-100mm, customizable.
- Morphology: Granular or blocky, particle size such as 0.2-1.0mm, 1-3mm, 3-8mm.
- By choosing our slide plate bricks, customers can improve production efficiency, reduce costs, and ensure high-quality steel production.
The nozzle is a key refractory component that connects the slide plate at the bottom of the ladle to protect the ladle from erosion by molten steel and slag. It is usually made of high-aluminum or aluminum-carbon materials, with high temperature resistance up to 1800°C and excellent corrosion resistance.
- Materials and performance: High-aluminum or magnesium oxide carbon materials are used to ensure structural stability, good thermal shock stability, and improve the purity of molten steel.
- Advantages: Provide long-life protection, reduce wear on the bottom of the ladle, and are suitable for continuous multi-furnace operation.
- Application: Used at the bottom of the ladle, in conjunction with the slide plate system to ensure safe flow of molten steel, especially in highly corrosive environments.
- High-quality products: all products pass rigorous quality tests, meeting and exceeding industry standards and reducing production disruptions.
- Customised service: sizes, materials and designs are adapted to meet the specific requirements of the ladle and intermediate packages.
- Technical support: a dedicated team provides process optimisation advice to help customers improve efficiency, such as optimising flow control to reduce turbulence.
- Cost-effectiveness: Durable products with extended life cycles reduce maintenance and replacement costs and are suitable for large-scale production.
- Industry experience: We have many years of experience in steelmaking refractory manufacturing, serving customers around the world and accumulating a wealth of case studies.
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Why choose Zhen An Metallurgy as your long-term partner?
Zhenan International Group Co., Ltd. is a manufacturer and supplier of metallurgical raw materials and refractory materials, a manufacturer and wholesaler. It currently has 176 employees, of which mechanical engineers, electrical engineers, and software engineers account for about 30%.
We have more than 30 years of experience in design, manufacturing, application and maintenance in the steel industry, and have created a complete industrial chain for the steel industry, optimizing processes and improving efficiency.
We have the ability to supply you with a large number of consumable accessories such as nozzles, slides, etc. for tundishes and ladles, as well as metal silicon, ferrosilicon, and ferrovanadium required for smelting steel.
Zhen An Metallurgical’s products are exported to more than 80 countries including the UAE, Turkey, India, the United States, Germany, Slovakia, Italy, South America, the Middle East, Southeast Asia, and Asia, forming a strong core competitiveness in the steel industry.
30000(m2)
Our factory covering an area of 30,000 square meters
1500000(Ton)
Annual production and sales more than 1,500,000 tons.
Professional team to provide you with better service
Zhen An Metallurgy has a high-quality talent team integrating sales, production and R&D, including 16 senior researchers, 28 professional engineers, 35 international sales personnel, 10 senior operation personnel, and more than 300 production technicians.
Zhen An metallurgical certificate display
Our products have been exported to 78 countries, and many regular customers have visited our company and factory and placed multiple orders. After one cooperation, trust has been established with us, and customers will place orders multiple times, and some will introduce new customers to us.
