
Refractory BricksCarbon-bonded bricks
Alumina Magnesia Carbon Brick
Carbon-bonded alumina–magnesia brick with strong resistance to erosion, spalling and molten steel washing, low steel and slag adhesion and easy removal. Grades LMT55 to LMT75.
- Grades / types
- LMT75, LMT70, LMT65, LMT60, LMT55
Product overview
Alumina magnesia carbon brick has strong resistance to erosion, to spalling and to washing by molten steel. It is safe in use, shows little adhesion of steel and slag, and is easy to remove.
Key characteristics
- Strong resistance to erosion and spalling
- Good resistance to molten steel washing
- Safe in use
- Low adhesion of steel and slag
- Easy removal
Technical data
| Property | Unit | LMT75 | LMT70 | LMT65 | LMT60 | LMT55 |
|---|---|---|---|---|---|---|
| Al₂O₃ | % | ≥75 | ≥70 | ≥65 | ≥60 | ≥55 |
| Al₂O₃+MgO | % | ≥81 | ≥77 | ≥80 | ≥75 | ≥72 |
| C | % | ≥5 | ≥5 | ≥7 | ≥7 | ≥8 |
| Apparent Porosity | % | ≤7 | ≤7 | ≤7 | ≤7 | ≤7 |
| Bulk Density | g/cm³ | ≥3.2 | ≥3.15 | ≥3.1 | ≥3.0 | ≥2.9 |
| Cold Crushing Strength (CCS) | MPa | ≥60 | ≥60 | ≥60 | ≥50 | ≥50 |
Available grades, shapes and sizes
Available grades
- LMT75
- LMT70
- LMT65
- LMT60
- LMT55
Related solutions
Services that work with this family of materials.
Technical Consultation
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Share your application, service conditions and quantities. Our engineers confirm the suitable grade and return a structured quotation.
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Technical data sheets are supplied on request with the quotation.Request TDS




