Andalusite refractories in coke oven and hot blast furnaces H55
Minimum Order: 0
Quality/Safety Certification: 0.00
1.Response with 12 hours
2.On-time delivery
3.Free sample for test
1.Andalusite bricks have the good creep resistance and thermal shock resistance, which is often used in the door of coke oven, or as the lining and checker of hot blast furnaces.
2.
H55
Al2O3% | ≥55 |
| Fe2O3 % | ≤1.2 |
| Bulk density (g/cm3) | ≥2.45 |
| Apparent porosity (%) | ≤17 |
| Cold crashing strength (Mpa) | ≥60 |
| Refractoriness under load(°C) | ≥1600 |
| Thermal shock resistance | Good |
| Thermal expansion coefficient(1000°C) | ≤ 0.55 |
| Creep resistance 20-50h,(%) | 1350°C <0.2 |
