LMM TOTAI offer a complete product and service portfolio for all steelmaking processes.
From basic and non-basic bricks and mixes, slide gate plates, isostatic products and prefab components to special machinery, mechanisms and repair systems.
Refractory brick for the LF lining of metal line
Refractory for the LF lining of metal line
Product: Al2O3‐MgO‐C bricks
Select Model: LY-LD-AM20CX
| Metal line | Bottom | ||||
 |
LY-LD-AM20CX | LY-LD-AM10CX | LY-LD-AM20CX-B | ||
| Chemical composition(%) | Al2O3 | 65 | 75 | 63 | |
| MgO | 20 | 10 | 20 | ||
| C | 10 | 10 | 9 | ||
| Bulk density | 3.2 | 3.24 | 3.22 | ||
| Apparent porosity(%) | 4.5 | 4.5 | 5 | ||
| Cold crushing strength(MPa) | 45 | 45 | 45 | ||
| Thermal expansion(%)1000℃ | 0.8 | 0.7 | 0.8 | ||
| Permanent linear change(%)1500℃×3h | 1.1 | 0.9 | 1.2 | ||