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Tundish slag wall / slag dam
Classification
Precast Block
DESCRIPTION
The tundish slag wall/slag dam is a prefabricated part made of corundum, magnesia-alumina and magnesia castables.
It has the characteristics of high strength, erosion resistance, strong slag skimming ability, low thermal conductivity and good thermal insulation properties, which is beneficial to purify molten steel and thus has been widely used.
| Item | Magnesia-alumina | Corundum | Magnesia | |
| Chemical content (%) ≥ | Al2O3 | 50 | 85 | / |
| MgO | 25 | / | 80 | |
| Bulk density (g/cm3) ≥ | 2.9 | 2.8 | 2.9 | |
| Compressive strength (MPa) ≥ | 110℃×24h | 50 | 30 | 60 |
| 1500℃×3h | 40 | 35 | 20 | |
| Reheat linear change (%) | 1500℃ | 0-+3.0 | 0-+1.5 | 0-+1.5 |
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