upper nozzle for tundish
Detailed Product Description
refractory nozzle for tundish
This kind of refractory nozzle for tundish is our patent product, popular with many steel plants.
Brand Specification | EM-A | EM-B | EM-C | EM-D | EM-E |
Al2O3 % | 80 | 90 | 95 | 85 | 80 |
C % | 5 | 4 | - | 5 | 5 |
ZrO2 % | - | - | 3 | 5 | 8 |
Apparent porosity % | 5 | 4 | 12 | 7 | 7 |
Brand Specification | AlC75 | AlC80 | Al75 | Zr80 |
Al2O3 ≥ % | 75 | 80 | 94 | - |
ZrO2 ≥ % | - | - | - | 92 |
C ≥ % | 4 | 4 | - | - |
Apparent porosity ≤ | 8 | 7 | 15 | 9 |
Bulk density g/cm3 ≥ | 2.90 | 2.95 | 2.95 | 3.05 |
Compressive strength (MPa) ≥ | 60 | 60 | 120 | 80 |
High temperature bending strength (MPa) (1400*0.5h) MPa ; ≥ | 6 | 7 | 15 | 20 |
