PRODUCTS
Ladle Shroud
Ladle shrouds are used as a tube for flow of molten steel from steel ladle to tundish. They stabilize molten-steel streams and protect molten steel from splashing and being oxidized. This product is pressed refractory functional part, which features superior thermal shock resistance, slag erosion resistance, wear resistance, easy to be installed and free of preheating, which will greatly improve the working conditions . The design of the material of the ladle shrouds is mainly based on the cast steel type, casting time and the type of tundish covering agent. At present, Al2O3-C material is main
Composition: Premium materials such as high alumina oxide, magnesium oxide, and silicon carbide, with customizable composition based on client requirements.
Form: Available in powder, brick, board, and castable forms to suit various application needs.
Refractoriness: Standard range from 1200°C to 1800°C, with options for higher temperature customization.
Application Fields: Widely used in industries such as steel, cement, glass, and petrochemicals for furnace lining and insulation.
Packaging: Options include 25 kg bags, bulk bags, and custom packaging solutions compliant with global transportation standards.
Introduction
Our experienced R&D team can customize the material, form, and size according to your specific application needs while ensuring compliance with international quality standards. With rigorous quality control and advanced production facilities, we guarantee products with high refractoriness, excellent compressive strength, and long-lasting durability. Whether you are in the steel, cement, glass, or petrochemical industry, we are your trusted partner, supporting the success of your projects.
For customization inquiries, please feel free to contact us. We will provide tailor-made solutions based on your requirements.
Ladle Shroud Details
Ladle shrouds are used as a tube for flow of molten steel from steel ladle to tundish. They stabilize molten-steel streams and protect molten steel from splashing and being oxidized. This product is pressed refractory functional part, which features superior thermal shock resistance, slag erosion resistance, wear resistance, easy to be installed and free of preheating, which will greatly improve the working conditions .
The design of the material of the ladle shrouds is mainly based on the cast steel type, casting time and the type of tundish covering agent. At present, Al2O3-C material is mainly used. This material has strong adaptability to the steel type, and is particularly suitable for casting special steel, which has little pollution to molten steel.
In order to meet the needs of efficient continuous casting, the best composition design can be made according to the different use conditions of each part of the long nozzle to obtain the longest service life. The wrist wears and it is easy to inhale air, usually low SiO2 or SiO2-free Al2O3-C material may reduce the content of graphite appropriately. Due to the corrosion of tundish covering agent and molten steel, the slag line part often becomes the main factor affecting the long nozzle life. Depending on the covering agent, ZrO2-C or MgO-C can be used.
Currently, there are two main development directions for Changshuikou. One is the development of SiO2-free long nozzles. Traditional Al2O3-C long nozzles usually contain a certain amount of fused silica to improve thermal shock resistance. However, due to FeO reacts to produce a low-melting substance, which reduces the corrosion resistance and erosion resistance of the material. Therefore, when casting high-manganese steel or high-oxygen steel, Al2O3-C materials that do not contain SiO2 were developed. Compared with the traditional Al2O3- C material, the thermal expansion coefficient of this material is relatively large, and the preheating conditions must be accurately controlled.
Features
Argon injection structure depending on customer specifications.
Ceramic glaze layer to prevent the material oxidation effectively.
Ceramic fiber blanket to prevent heat lost during casting.
High quality AL-C materials having high corrosion and thermal shock resistance.
High quality Zr-based composite to provide high corrosion resistance at the slag line.
Non-graphite based materials to meet the requirements of producing low carbon steel, silicon steel and high purity steel
Applications
steel ladle,refining ladle,electric furnace refining ladle，tundish
Physical And Chemical Indicators
|
Brand |
Ladle Shroud |
|||
|
Body |
Slag Line |
Head |
||
|
Chemical Composition (%) |
Al2O3 |
61.02 |
-- |
38 |
|
Fe2O3 |
1.3 |
-- |
-- |
|
|
SiO2 |
12.8 |
-- |
22.47 |
|
|
TiO2 |
1.59 |
-- |
-- |
|
|
ZrO2 |
-- |
75.1 |
1.2 |
|
|
CaO |
-- |
1.71 |
-- |
|
|
MgO |
-- |
-- |
-- |
|
|
LOI (%) |
23.28 |
15.01 |
34.52 |
|
|
Bulk Density (g/cm3) |
2.57 |
3.78 |
2.2 |
|
|
Apparent Porosity (%) |
15.67 |
15.61 |
14.67 |
|
|
Fracture Strength (MPa) |
6.9 |
6.97 |
5.32 |
|
|
Main Application |
Ladle & Tundish |
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