| 铁沟捣打料 | |||||||
| Ramming material for trough | |||||||
| 材质 Quality | Al2O3-SiC-C | Al2O3-SiC-C | Al2O3-SiC-C | Al2O3-SiC-C | Al2O3-SiC-C | Al2O3-SiC-C | |
| 牌号 Code | GD-ASC51 | GD-ASC52 | GD-ASC53 | GD-ASC54 | GD-ASC55 | AGD-ASC56 | |
| 性能值 Properties | 标准Normal | 标准Normal | 标准Normal | 标准Normal | 标准Normal | 标准Normal | |
| 抗折强度(MPa)Modulus of Rupture | 110℃×24h | ≥4 | ≥5 | ≥4 | ≥3 | ≥3 | ≥4 |
| 1000℃×3h | ≥6 | ≥7 | ≥9 | ≥5 | ≥7 | ≥7 | |
| 耐压强度(MPa)Cold Crushing Strength | 110℃×24h | ≥20 | ≥20 | ≥20 | ≥15 | ≥15 | ≥15 |
| 1000℃×3h | ≥45 | ≥50 | ≥60 | ≥35 | ≥40 | ≥40 | |
| 线变化率(%) Permanent Linear Change | 1450℃×3h | - | - | - | - | - | - |
| 1000℃×3h | ± 0.5 | ± 0.5 | ± 0.5 | ± 0.5 | ± 0.5 | ± 0.5 | |
| 体积密度(g/cm3) Bulk Density | 110℃×24h | ≥2.60 | ≥2.65 | ≥2.70 | ≥2.40 | ≥2.50 | ≥2.50 |
| 1450℃×3h | ≥2.50 | ≥2.55 | ≥2.65 | ≥2.30 | ≥2.45 | ≥2.38 | |
| 化学成份(%) Chemical Analysis(%) | Al2O3 | ≥60 | ≥65 | ≥70 | ≥50 | ≥50 | ≥58 |
| SiC | ≥13 | ≥10 | ≥12 | ≥10 | ≥20 | ≥10 | |
| C | 5-8 | 4-10 | 6-9 | 7-10 | 5-9 | 5-10 | |
| 粒度 mm(%)Grain Size mm(%) | Top size mm | 8 | 8 | 8 | 7 | 8 | 8 |
| less than 75um | ≥33 | ≥32 | ≥31 | ≥34 | ≥34 | ≥34 | |
| 浇注加水量(%) Additive water(casting)(%) | 4.5-5.5 | 4.5-5.5 | 4-5 | 6-7 | 5-6 | 5-6 | |
| 使用部位 Application Area | 中型高炉主沟，铁水沟 Main trough,iron runner for middle-sized blast furnace | 大高炉铁水沟Iron runner for big-sized blast furnace | 大高炉铁水,铁水线沟 Main trough,metal line for big-sized blast furnace | 大高炉铁水,铁水沟Main trough,iron runner for small-sized blast furnace | 大高炉主沟渣线，撇渣器Main trough,slag line for big-sized blast furnace, skimmer | 大高炉渣沟Slag runner for big-sized blast furnace | |