
Refractory Steel Ladle Tundish Nozzle
Our tundish nozzles feature robust construction, excellent erosion resistance, and minimal slag adhesion. The internal bore dimensions are consistently stable, with strict control over machining precision, making them suitable for various machine types including slab, billet, and round billet production.
Products Description

The tundish nozzle is a small component in continuous casting, yet its role is significant. It directly determines whether the flow of molten steel from the ladle to the bottom is stable, whether pouring is smooth, and whether subsequent quality can be maintained. Many accidents stem from unstable nozzles, rapid erosion, and significant changes in orifice size. Therefore, selecting the right nozzle essentially provides the production line with a reliable "safety valve."
Product Features
1. High Resistance to Erosion
The most critical concern for nozzles is rapid erosion by molten steel, especially during prolonged casting. We have optimized the particle size and bonding system of our raw materials, achieving high density and enhanced resistance to penetration.
2. Stable Orifice Diameter
Our nozzles feature a finely crafted inner orifice with high surface finish. This ensures smooth molten steel flow, minimizes turbulence, and reduces clogging during casting.
3. Excellent Thermal Shock Resistance
Significant temperature variations during continuous casting can cause cracks or even blowouts in spouts with poor thermal shock resistance. Our spouts demonstrate stable performance in this regard, with feedback from steel mills typically noting their ability to "hold up."
4. Customizable Specifications
Different machines, steel grades, and nozzles require tailored solutions. We offer:
- Variable orifice sizes
- Long or short nozzle lengths
- Argon-blowing structures or composite nozzle brick designs
- Custom material formulations
We prioritize practical on-site functionality over unnecessary complexity.
5. Extended Service Life
Typically, a single nozzle can withstand the entire casting cycle without frequent replacement. For continuous casting units operating over extended periods, we also offer reinforced versions.
Application Scope
- Suitable for various steel grades including carbon steel, low-alloy steel, and stainless steel
- Compatible with continuous casting equipment for slabs, billets, blooms, and rectangular ingots
- Applicable for both standard and protected casting processes
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