Brief Introduction
Lower NozzleAMR series of lower nozzles for ladle are made from corundum, bauxite, flake graphite, antioxidant and phenolic resin. They show the features of excellent thermal shock resistance, stable performance, good excellent corrosion and erosion resistance, strong cracking resistance etc.
| Al2O3 % Min. | 75 | 70 | 72 | 68 |
| C % Max. | 4 | 4 | 8 | 8 |
| Bulk Density g/cm3 Min. | 2.85 | 2.75 | 2.80 | 2.75 |
| Apparent Porosity % Max. | 14 | 14 | 14 | 14 |
| Cold Crushing Strength MPa Min. | 65 | 55 | 40 | 40 |
| Hot Modulus of Rupture MPa Min. | 12 | 10 | 10 | 10 |
| Application | All Kinds of ladles | Ladles more than 80T | Ladles less than 80T | |
| Service life (heats) | 4 Min. | 1~2 | 3 Min. | 2~4 |