We supply high-quality refractory nozzles for ladles, tundishes, and continuous casting applications. Our product range includes ladle nozzles, tundish nozzles, submerged entry nozzles, and ladle shrouds, with customized specifications available to meet your steelmaking requirements.
WhatsApp:
+8615038278221Email:
info@rsrefractories.com
Refractory nozzles are essential components in steelmaking and continuous casting, designed to control and guide molten steel flow under high-temperature conditions.
We offer a wide range of refractory nozzles, including ladle nozzles, tundish nozzles, submerged entry nozzles (SEN), and ladle shrouds. Manufactured from carefully selected refractory materials, our products provide excellent thermal stability, corrosion resistance, and erosion resistance.
Various sizes, shapes, and material compositions are available to meet different steelmaking applications. Custom manufacturing based on drawings and technical specifications is also available.
| Item | Specification | ||
| CSK50 | CSK45 | CSK40 | |
| Al2O3 % | ≥50 | ≥45 | ≥40 |
| C % | ≥20 | ≥20 | ≥25 |
| CMOR, MPa | ≥5.5 | ≥5.5 | ≥5.0 |
| Apparent Porosity, % | ≤19 | ≤19 | ≤19 |
| Bulk Density, g/cm3 | ≥2.2 | ≥2.18 | ≥2.16 |
| Item | Specification | |||
| Z75 | Z70 | Z65 | Z55 | |
| ZrO2 % | ≥75 | ≥70 | ≥65 | ≥55 |
| C % | ≥9 | ≥12 | ≥15 | ≥18 |
| Apparent Porosity, % | ≤21 | ≤21 | ≤21 | ≤22 |
| Bulk Density, g/cm3 | ≥3.6 | ≥3.5 | ≥3.4 | ≥3.2 |
| Item | Specification | |
| SB45 | SB40 | |
| Al2O3 % | ≥45 | ≥40 |
| C % | ≥20 | ≥25 |
| CMOR, MPa | ≥5.5 | ≥5.5 |
| Apparent Porosity, % | ≤19 | ≤19 |
| Bulk Density, g/cm3 | ≥2.36 | ≥2.2 |
| Item | Specification | ||||||
| MC65 | MC60 | AC70 | AC65 | AC60 | MA70 | MA65 | |
| Al2O3 % | / | / | ≥70 | ≥65 | ≥60 | / | / |
| MgO % | ≥65 | ≥60 | // | / | / | / | / |
| Al2O3+MgO % | / | / | / | // | ≥70 | ≥65 | |
| C % | ≥9 | ≥12 | ≥9 | ≥12 | ≥15 | ≥8 | ≥10 |
| Bulk Density, g/cm3 | ≥2.45 | ≥2.4 | ≥2.65 | ≥2.6 | ≥2.55 | ≥2.6 | ≥2.45 |
| Apparent Porosity, % | ≤19 | ≤19 | ≤19 | ≤19 | ≤19 | ≤19 | ≤19 |
| Item | Specification | |||
| JSK55 | JSK50 | JSK45 | JSK40 | |
| Al2O3 % | ≥55 | ≥50 | ≥45 | ≥40 |
| C % | ≥16 | ≥18 | ≥20 | ≥22 |
| CMOR, MPa | ≥5.5 | ≥5.5 | ≥5.5 | ≥5 |
| Apparent Porosity, % | ≤19 | ≤19 | ≤19 | ≤19 |
| Bulk Density, g/cm3 | ≥2.36 | ≥2.32 | ≥2.28 | ≥2.18 |
| Item | Specification | |||
| Z75 | Z70 | Z65 | Z55 | |
| ZrO2 % | ≥75 | ≥70 | ≥65 | ≥55 |
| C % | ≥9 | ≥12 | ≥15 | ≥18 |
| Apparent Porosity, % | ≤21 | ≤21 | ≤21 | ≤22 |
| Bulk Density, g/cm3 | ≥3.6 | ≥3.5 | ≥3.4 | ≥3.2 |
Refractory nozzles are widely used in steelmaking, ladle metallurgy, and continuous casting processes to control and guide molten steel flow. They are installed in ladles, tundishes, and continuous casting systems, supporting the production of billets, blooms, and slabs. These products are essential for reliable molten steel transfer and efficient casting operations in steel plants.
Comprehensive Refractory Product Range
We manufacture 3 main types of refractory materials — refractory castables, high alumina cement, and refractory bricks — covering 100+ industrial furnace types worldwide.
Certified Quality and International Standards Compliance
All batches undergo strict quality control. Products comply with ISO, ASTM, and GB standards, ensuring reliable performance in high-temperature industrial applications.
Annual Production Capacity of 130,000 Tons
With a large-scale capacity of 130,000 tons per year, we guarantee stable supply and on-time delivery for long-term and large-volume projects.
Exported to 120+ Countries and 1,000+ Projects
Our products have been successfully delivered to over 120 countries, supporting more than 1,000 industrial projects, including cement, steel, incineration, glass, and petrochemical furnaces.
20+ Years of Experience in Refractory Manufacturing
With over 20 years of experience, we understand real furnace conditions and deliver materials proven in long-term industrial operations worldwide.
Professional Technical Support and Free Samples
We provide technical assistance from material selection to installation guidance, with free samples available for testing and supporting 1,000+ projects globally.
Fill out the form to request a free, detailed quote.
