Product detail
Tundish Refractories
Materials for tundish
Insulation layer: asbestos board, isolation brick, low dense castable
Permanent layer: Castable, high alumina & mullite castable
Working layer: clay brick, high alumina brick & magnesia brick
1. Ladle shroud
2. Lid insulation
3. Stopper mono block
4. Bottom
5. Weirs and dams
6. Impact plate
7. Nozzle
8. Nozzle
9. Submerged shroud
10. Monolithic safety lining
11. Tundish insulation
12. Well block
13. Blank plate
Refractory for continuous casting
Product Parameters
Refractory for continuous casting
| Items 项目 | LZ-1 | LZ-2 | LZ-3 | LZ-4 | LZ-5 | LZ-6 |
| Material材质 | Magnesium-chrome paint | Magnesium paint | Magnesium calcium paint | High aluminum brick | High aluminum castable | Clay brick |
| Application 使用部位 |
Working layer | Working layer | Working layer | Working layer | Working layer | Permanent layer |
| Al2O3 % | 75 | ≥60 | >40 | |||
| Cr2O3 % | 5~10 | |||||
| MgO % | ≥70 | ≥85 | ≥70 | |||
| CaO % | ≥10 | ≤0.7 | ||||
| SiO2 % | ≤4 | ≤6 | ≤6 | |||
| Apparent porosity 显气孔率（%） |
19~21 | <18 | ||||
| Igloss灼减（%） | ≤3 | ≤3 | ||||
| Bulk Density 体积密度/g·cm3 (110°C, 24h) |
≥2.2 | ≥2.2 | ≥1.8 | ≥2.5 | ≥2.55 | ≥2.2 |
| （PLC）Permanent linear change on reheating 重烧线变化/% (1500°C, 3h) |
0~-1.5 | 0~-2.0 | 0~-3.5 | -0.2 | ±0.5 | |
| Thermal conductivity 热导率/W·(m·K)-1 （500°C） |
1.2 | ≤1.0 | ≤0.8 | |||
| Cold Crushing Strength 耐压强度/MPa (110°C, 24h) |
≥4 | ≥5 | ≥3 | ≥60 | ≥14.7 | ≥40 |
| Refractoriness 耐火度/°C |
>1790 | >1790 | ||||
| （RUL）Refractoriness Under Load 荷重软化温度/°C |
T1>1500 |
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