钢包用耐火材料
| 牌号/指标 | MgO(%) | Al2O3(%) | C(%) | Cr2O3(%) | 体积密度110℃×24h (g/cm³)Bulk density | 耐压强度110℃×24h(MPa) Compressive strength | 线变化率1400℃×3h(%) Linear change rate |
|---|---|---|---|---|---|---|---|
| 刚玉自流料 | ≥4 | ≥90 | ≥3.0 | ≥40 | 0-1.5 | ||
| 铝镁尖晶石浇注料 | 5-10 | 60-70 | ≥2.55 | ≥2.50 | 0-0.6 | ||
| 尖晶石火泥 | ≥80 | 5-15 | ≥2.50 | ≥35 | -0.5-0.5 | ||
| 镁碳质火泥 | ≥85 | 5-10 | ≥2.40 | ≥20 | 0-0.5 | ||
| 镁(碳)质填缝剂 | 70-90 | 0-12 | ≥2.90 | 0-0.5 | |||
| 镁碳质热修补料 | ≥85 | ≥5 | ≥2.30 | ≥5 | |||
| 渣线喷补料 | ≥84 | 0-5 | ≥2.30(1500℃x3h) | ≥15(1500℃x3h) | |||
| 刚玉火泥 | 0-10 | 85-90 | 2-5 | ≥2.60 | ≥40 | 0-0.5 |
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钢包耐材
