
Tundish Nozzle Uses
Products Description As the flow control valve guiding molten steel from the tundish to the mold, the zirconia nozzle regulates the steel outflow rate through its precisely designed bore and dimensions. This function ensures a stable casting speed that matches the withdrawal rate of the...
Products Description
As the flow control valve guiding molten steel from the tundish to the mold, the zirconia nozzle regulates the steel outflow rate through its precisely designed bore and dimensions.
This function ensures a stable casting speed that matches the withdrawal rate of the continuous casting machine, keeping the molten steel level in the mold steady and preventing issues such as steel leakage or casting defects caused by flow fluctuations.
The nozzle's smooth internal passage and optimized structural design improve the flow pattern of molten steel, reducing turbulence and slag entrapment during casting.
A stable flow pattern promotes the floatation and removal of inclusions, effectively lowering the content of non-metallic inclusions within the final billet.
Anyang Changtai Silicon Industry Co., Ltd. is a specialized enterprise integrating design, processing, and sales of zirconia high-temperature products. If you are looking to purchase zirconia refractory products, please click the button below to contact us.
Product Parameters

Products Description




Main Applications
Tundish Lower Nozzle
This is the primary application of zirconia nozzles. Installed between the tundish bottom and the mold, it precisely controls and delivers molten steel from the tundish to the mold during continuous casting.
Metering Nozzle
In certain continuous casting processes, zirconia metering nozzles are used to accurately regulate the flow rate of molten steel. They are particularly suitable for casting small billets and thin slabs, where precise flow control is essential.
Continuous Casting of Special Steels
For high-purity and high-quality steel grades such as stainless steel, bearing steel, and high-strength alloy structural steel, zirconia nozzles are preferred because they minimize contamination and maintain excellent steel cleanliness.
Company Profile

Anyang Changtai Silicon Industry Co., Ltd. is a comprehensive enterprise specializing in the design, processing, and sales of zirconia high-temperature products. Established in 2010, the company has rapidly emerged as a leader in this field through its exceptional expertise and mature technology in zirconia high-temperature products.
Our designed zirconia high-temperature products include:
- Zirconia nozzles for continuous casting in steelmaking, quick-change sizing nozzles, ladle nozzles;
- Zirconia slide plates and rings for converter pouring;
- Calcium-stabilized zirconia nozzles and magnesium-stabilized zirconia nozzles for the powder metallurgy industry;
- A comprehensive range of zirconia products suitable for high-temperature applications.
For inquiries or purchases, please contact us!
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