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.
Al2O3-SiC-C bricks for eaf
Al2O3-SiC-C bricks for EAF bottom tap hole
| Use | Brand | |||
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Sleeve of electrode： | precast block | LY-CFC-18RX |
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Side wall bricks： | MgO-C bricks | LY-S-NSA-110XMA | |
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Permanent bricks： | magnesia bricks | LY-HPT-B | |
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Stamp castables（dry setting）: | magnesia-dolomite | LY-S-MD-DV | |
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Eccentric bottom tap hole | Terminal block：Al2O3-SiC-C bricks | LY-ASG-X | |
| Tapping tube： MgO-C bricks | LY-MG-15SX | |||
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Electrode of furnace bottom： | MgO-C bricks | LY-MG-16BSX | |
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Gunning repairing material: | magnesia-dolomite materials | LY-G-HD100 |
Eccentric bottom tapping has been applied as a latest technology. High resistances to corrosion, spalling, oxidation are required for refractories for E.B.T. YOTAI provides the best material for each sections.
| LY-MG-15CX | LY-MG-15SX | LY-ASG-X | LY-S-MH | |||
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Tapping tube | Setting brick | Terminal block | Sealing stamp material | ||
| Chemical Composition(%） | SiO2 | 76 | 76 | 2 | 5 | |
| Al2O3 | 16 | 14 | 70 | 90 | ||
| MgO | 10 | |||||
| SiC | 12 | |||||
| C | ||||||
| Apparent Porosity （%） | 5 | 6 | 7 | |||
| Bulk Density | 2.92 | 2.9 | 2.9 | |||
| Cold Crushing Strength（MPa） | 42 | 40 | 50 | |||
| Grain composition（％） | 1.18≦ | 42 | ||||
| 0.09> | 40 | |||||