Ceramic Tundish Nozzles
Ceramic tundish nozzles are critical components within the steelmaking industry, playing a pivotal role in the controlled flow of molten steel from the tundish to the molds during casting processes. At Cerval Industries, our ceramic tundish nozzles are meticulously engineered using advanced refractory materials such as Alumina (Al2O3), Zirconia (ZrO2), and Silicon Carbide (SiC). These materials are chosen for their exceptional thermal shock resistance, high mechanical strength, and resistance to erosion and chemical reactions with molten metals. The primary function of ceramic tundish nozzles is to regulate the flow rate and direction of molten steel, ensuring precise casting operations and minimizing turbulence that could affect steel quality. They are designed to withstand the extreme conditions of steel foundries, including high temperatures and rapid temperature changes, without compromising their structural integrity or performance. This durability and reliability are crucial for maintaining consistent casting quality and productivity in steel production.
At Cerval Industries, we use precision molding or extrusion to achieve the exact dimensions and geometries required for our ceramic tundish nozzles. Rigorous quality control ensures compliance with industry standards, meeting the demands of modern steelmaking operations. We tailor tundish nozzles to optimize flow, extend service life, and enhance resistance to specific conditions. Our technical expertise and innovation make us a trusted provider of high-performance ceramic solutions for the steel industry.
| Specification | Details |
|---|---|
| Materials | Alumina (Al2O3), Zirconia (ZrO2), Silicon Carbide (SiC) |
| Temperature Resistance | Up to 1600°C |
| Thermal Shock Resistance | High resistance to thermal cycling |
| Mechanical Strength | High compressive strength and erosion resistance |
| Flow Control | Precise flow regulation for steel casting |
| Dimensions | Customizable dimensions to fit tundish specifications |
Ceramic Technical Properties
| Properties | Details |
|---|---|
| Density | ~3.0–5.5 g/cm³ (depending on material composition) |
| Thermal Conductivity | ~6–10 W/mK |
| Thermal Expansion Coefficient | ~5.0–8.0 x 10⁻⁶/°C (varies with material type) |
| Compressive Strength | ~150–300 MPa |
| Flexural Strength | ~50–120 MPa |
| Wear Resistance | Outstanding resistance to erosion and corrosion by molten metal and slag |
| Porosity | Low porosity, ensuring high durability and minimal infiltration by molten materials |
| Chemical Resistance | Excellent resistance to attack by molten steel, iron, and slags |
| Electrical Resistivity | High electrical insulation, stable at elevated temperatures |
Characteristics
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