高爐出鐵溝用澆注料系采用 Al2O3-SiC-C 系列，它具有抗侵蝕、抗沖刷、高熱穩定性的優良特點，可適用于高爐主溝鐵水線、渣線、擺動流咀、殘鐵罐、主溝蓋頂部、主溝蓋兩側、鐵溝、渣溝等部位。
Castable for iron runner adopting Al2O3-SiC-C series has such advantages as anti-erosion ,abrasion-resistance and good heat stability ,which can be used for iron line of main through ,slag line ,sewing stem bar ,iron residue tand ,top of cover of main through , two sides of cover of main through ,iron rummer and slag runner .
| 指標/牌號 | 高爐出鐵溝 |
| 主溝鐵線 | 主溝渣線 | 鐵溝 | 渣溝 |
| HZG-TX | HZG-ZX | HTG | HZG |
| Al2O3 % | ≥68 | ≥50 | ≥50 | ≥50 |
| SiC % | ≥8 | ≥30 | ≥7 | ≥12 |
| C % | ≥5 | ≥5 | ≥3 | ≥6 |
體積密度
g/cm3 | 110℃×24h | ≥2.80 | ≥2.70 | ≥2.40 | ≥2.40 |
| 1450℃×3h | ≥2.70 | ≥2.60 | ≥2.30 | ≥2.30 |
耐壓強度
Mpa | 110℃×24h | ≥20 | ≥15 | ≥15 | ≥15 |
| 1450℃×2h | ≥30 | ≥25 | ≥25 | ≥25 |
| 線變化率% | 1450℃×3h | ±0.5 | ±0.5 | ±0.5 | ±0.5 |
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