Tundish Refractory Materials
Tundish Upper Nozzle with Zircon Insert
Tundish Refractory Upper Nozzle, are embedded in Seating Blocks of the Tundish Bottom.They can control the flow of steel when working with Stopper Rods.The quality is stable,the service life is lon...
DESCRIPTION
Tundish Refractory Upper Nozzle, are embedded in Seating Blocks of the Tundish Bottom.They can control the flow of steel when working with Stopper Rods.The quality is stable,the service life is long,according to the different user,the different steel,the different protection,slag and the contiuous casting technology level,the product material ratio is adjusted,gurantees meets the user’s request.
| ZhenAn Tundish Upper Nozzles | UN-1 | UN-2 | UN-3 | UN-4 | UN-5 | UN-6 | |
| Chemical composition(%)≥ | AI2O3 | 80 | 75 | 80 | 68 | 60 | 65 |
| MgO | – | – | – | – | – | ||
| C | ≤6 | ≤6 | ≥3 | ≥4 | ≥4 | ≥4 | |
| Bulk density (g/cm3)≥ | 2.90 | 2.80 | 2.90 | 2.70 | 2.60 | 2.65 | |
| Apparent porosity (%)≤ | 15 | 15 | 15 | 15 | 15 | 15 | |
| Cold Crushing Strength(MPa)≥ | 70 | 60 | 40 | 40 | 40 | 25 | |
| Specifications could be adjusted as request. | |||||||
Related Products
