[TY]High Performance Refractory Castables of Blast Furnace
[TY]High Performance Refractory Castables of Blast Furnace
The refractories of blast furnace are mainly about unshaped refratories. The products contain castable, ramming mass, plastics-forming product, prefabricated parts, and so on. The high working property of products can satisfy various blast furnaces.
| Types | ASC-1 | ASC-2 | CTG | ASC-3 | ASC-4 | AM90T | SA170 | GL150 | |
| Material |
Alumina silicon carbide |
Alumina silicon carbide |
Alumina silicon carbide |
Alumina silicon carbide |
Alumina silicon carbide |
Corundum magenesia |
Alumina silicon carbide |
High alumina |
|
|
Fracture Strength MPa |
110℃*24h | ≥3 | ≥3 | ≥4 | ≥4 | ≥4 | ≥4 | ≥6 | ≥4 |
| 1450℃*3h | ≥6 | ≥5 | —— | ≥8 | ≥6 |
≥10 (1500℃) |
≥10 |
≥10 (1500℃) |
|
|
Compressive Strength MPa |
110℃*24h | ≥20 | ≥20 | ≥20 | ≥30 | ≥20 | ≥25 | ≥45 | ≥30 |
| 1450℃*3h | ≥35 | ≥30 | ≥40 | ≥60 | ≥50 | ≥50(1500℃) | ≥65 |
≥70 (1500℃) |
|
|
Coefficient of linear expansion % |
1450℃*3h | ±0.5 | ±0.5 | ±0.5 | —0.2±0.5 | ±0.3 |
0-2.0 (1500℃) |
±0.5 |
0-1.5 (1500℃) |
| Density g/cm3 | 110℃*24h | ≥2.85 | ≥2.75 | ≥2.65 | ≥2.80 | ≥2.55 | ≥2.90 | ≥2.85 | ≥2.35 |
| 1450℃*3h | ≥2.80 | ≥2.70 | —— | ≥2.75 | ≥2.50 | —— | ≥2.80 | —— | |
|
Chemical composition % |
Al2O3 | ≥65 | ≥50 | ≥65 | ≥70 | ≥55 | ≥88 | ≥60 | ≥55 |
| SiC | ≥10 | ≥30 | ≥10 | ≥8 | ≥12 | —— | ≥12 | —— | |
| C | ≥2 | ≥2 | ≥3 | —— | ≥2 | —— | —— | —— | |
| Applicatons |
Main trough metal line |
Main trough slag line |
Main trough for furnaces |
Iron runner | Slag runner |
De-sitilting runner for blast furnaces |
Cover for main trough |
Trough cover for blast furnaces |
|
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