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- Blast Furnace Ceramic Cup Corundum-Silicon Nitride Precast Series Products
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Blast Furnace Ceramic Cup Corundum-Silicon Nitride Precast Series Products
【Product brand】AN-1
【Recommended use】Blast Furnace Body
Product Introduction
This product is manufactured using high-quality corundum, silicon nitride, and a small amount of additives, formed through casting and precast molding, followed by low-temperature baking. It exhibits high strength, excellent resistance to molten iron erosion, superior resistance to slag erosion, and outstanding resistance to alkali erosion. Various irregular and specialized precast shapes can be produced according to customer requirements.
Products Quality
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Product Name |
Corundum Silicon-Nitride Precast |
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Product Code |
AN-1 |
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Chemical Composition |
Al2O3 |
≥78 |
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Si3N4 |
6～10 |
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Bulk Density (B.D., g/cm³) |
≥3.2（1500℃×3h） |
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Cold Crushing Strength (C.C.S., MPa) |
≥50（110℃×24h） ≥100（1500℃×3h） |
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Hot Flexural Strength(MPa) |
30（1450℃×0.5h） |
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Apparent Porosity (％) |
≤12（1500℃×3h） |
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Refractoriness Under Load (0.2 MPa, 0.6%, °C) |
≥1650 |
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Alkali Resistance |
Excellent |
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Iron Corrosion Resistance |
Excellent (0.15) |
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Slag Erosion Resistance |
5.23 |
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Application |
Tuyere, Taphole |
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