Flow Control Tundish Nozzles
Flow control tundish nozzles are designed to regulate and control the flow of molten steel during continuous casting. They are used to adjust the steel flow rate, and to control the flow pattern to...
DESCRIPTION
Flow control tundish nozzles are designed to regulate and control the flow of molten steel during continuous casting. They are used to adjust the steel flow rate, and to control the flow pattern to ensure that the steel is evenly distributed in the mold.
Flow control tundish nozzles are typically made from ceramic materials such as alumina, zirconia, or magnesia, which are highly resistant to wear, corrosion, and thermal shock. They feature a variety of design features that help to optimize the flow of steel, including internal flow control mechanisms and shape optimization.
Using flow control tundish nozzles can help to improve the quality of the final steel product, by ensuring a consistent and uniform flow of molten steel. They can also help to reduce defects such as slag, inclusions, and porosity, resulting in a higher quality steel product with improved mechanical properties.
| Item | Upper Nozzle | |
| Zirconia core | Outside | |
| ZrO2+HfO2(%) | ≥95 | |
| Al2O3(%) | ≥85 | |
| MgO(%) | ||
| C(%) | ≥3 | |
| Buik Density g/cm³ | ≥5.2 | ≥2.6 |
| Apparent porosity % | ≤10 | ≤20 |
| Crushing strength Mpa | ≥100 | ≥45 |
| Thermal shock resistance | ≥5 | ≥5 |
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