Zirconia Ceramic Insert For Tundish Nozzle

The zirconia ceramic insert for tundish nozzles is a functional component primarily made of zirconia ceramic, installed at the tundish nozzle location during continuous casting in steel production. Its core function is to control molten steel flow and resist erosion from molten steel.

The 93% zirconia nozzle is one of our company's primary products. It offers enhanced stability and extended service life during steel casting operations. This nozzle can be used independently in continuous casting or fitted with external refractory materials for protection against damage during operation.

Anyang Changtai Silicon Industry Co., Ltd. is a company specializing in the design, processing, and sales of high-temperature zirconia products. If you would like to purchase high-temperature zirconia products, please contact us. We will respond as soon as possible after receiving your message.

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1. Exceptional Erosion Resistance

This core characteristic stems primarily from its 93% high zirconia content.

It effectively withstands chemical erosion from molten steel and slag at high temperatures, minimizing diameter expansion caused by material corrosion and preventing uncontrolled molten steel flow.

Its high hardness enables it to endure high-velocity molten steel impact, reducing surface wear and ensuring stable channel dimensions throughout the continuous casting cycle.

2. Superior Thermal Shock Stability

During continuous casting, nozzles endure frequent extreme temperature shifts from ambient to high heat. This property effectively addresses such challenges.

It rapidly adapts to thermal fluctuations, resisting internal cracking or surface spalling caused by thermal expansion and contraction.

Using 93% zirconia nozzles prevents molten steel leakage or inclusion contamination from material damage, safeguarding production safety and steel quality.

3. High Strength

High zirconia content combined with specialized firing techniques endows this product with outstanding physical structural properties. Additionally, it features high bulk density and a dense internal structure with minimal porosity.

It exhibits high compressive strength at both ambient and elevated temperatures, withstanding molten steel static pressure and mechanical installation stresses without deformation or fracture.

4. Suitable for Extended Continuous Casting Cycles

Compared to nozzles with lower zirconia content, Changtai's nozzle meets the demands of multi-furnace continuous casting, eliminating the need for frequent nozzle replacement.

This reduces production interruptions caused by nozzle changes, enhances continuous casting efficiency, and lowers consumable replacement costs.

Anyang Changtai Silicon Industry Co., Ltd. maintains a comprehensive product traceability system to ensure product performance meets the highest quality standards stipulated by ISO9001, ISO14001, and SGS guidelines, managed through our rigorous quality control system.
Our zirconia products feature high purity, exceptional high-temperature corrosion resistance, extended service life, and outstanding quality stability. Furthermore, we tailor designs to meet specific customer requirements for diverse operational environments and conditions. Our products are exported to markets worldwide. Click the button below to request a quote!

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