Tundish refractory nozzle
Optional Solid ZrO2 type or composite type alumina+ZrO2 type nozzles can offer clients wider choice on achieving best performance in tundish metallurgical flow control.
Through consistent efforts on updating technolog and automatic controlled equipment, following strict production management system, the chemical and physical properties of our nozzles have reached equivalent levels with US and EU.
Overall performance have obtained high reputation from clients.
Type of REFRACTORY tundish nozzles:
1. Solid zirconia Nozzle for Metallurgy
2. Composite Alumina Carbon+Zirconia Nozzle for Metallurgy
3.Fine Zirconia Ceramic for Power Metallurgy
| Outer: Al2O3 | ||||
| Al2O3 | C | Apparent porosity | Bulk density | Compressive strength |
| (% minm) | (% minm) | (% max) | (gm./cc minm) | (MPa minm) |
| 75 | 4 | 8 | 2.95 | 60 |
| 80 | 4 | 7 | 2.95 | 60 |
| 94 | - | 15 | 2.95 | 60 |
| Zirconia Insert of Tundish Upper Nozzle | ||||
| ZrO2+HFO2 | Apparent porosity | Bulk density | C.C.S | Refractoriness |
| (% minm) | (% max) | (gm./cc minm) | (MPa minm) | (ºC minm) |
| 65 | 23 | 3.60 | 80 | 1790 |
| 70 | 23 | 3.70 | 80 | 1790 |
| 80 | 23 | 3.90 | 80 | 1790 |
| 84 | 23 | 4.00 | 80 | 1790 |
| 93 | 21 | 4.50 | 100 | 1790 |
| 94 | 21 | 4.90 | 100 | 1790 |
International standard seaworthy exportable packing.
1. Wooden case (Seaworthy standard packing)
2. Further packing information based on customer's requirements
Applications:
This product is mainly used for continuous casting of tundish billets, blooms, rectangular billets, and small slabs for pouring steel.
