Castable for Steel Ladle
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Technical Indicators of Castable for Steel Ladle
| Product number | |||||
| Properties | Alumina-magnesia castable | Corundum spinel | Alumina-magnesia castable | High alumina-spinel castablefor ladles | |
| Chemical composition (%) | Al2O3 | 91 | 92 | 90 | Al2O3 > 70 |
| MgO | 6 | 5 | 5 | MgO>11,SiO2<9 | |
| CaO | 6 | 5 | 5 | MgO>11,SiO2<9 | |
| Linear expansion rate (% 1600℃*3h) | 0.9 | 0~1.0 | 0.92 | 0.8~1.0 | |
| Bulk density(g/cm3) | 110℃*24h | 3.05 | 3.1 | 3.08 | >2.90 |
| 1600℃*3h | 3 | 3.05 | 3.02 | >2.80 | |
| Fracture resistance (Mpa) | 110℃*24h | 8.2 | 10 | 9.5 | >9.0 |
| 1600℃*3h | 28.5 | 30.5 | 28.2 | >8.0 | |
| Compressive strength (Mpa) | 110℃*24h | 40 | 39.8 | 54 | >60 |
| 1600℃*3h | 129 | 96 | >85 | >60 | |
| Refractoriness (℃) | 1820 | 1800 | 1820 | ||
| Applications | Castable for ladle wall and bottom of medium-scale steel ladle | Continuous casting steel ladle (90T) | |||
| RH and LF/VD refining steel ladle | |||||
Related Names
Ladle Castable | Refractory Castable | Unshaped Refractory Material
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