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High-quality and high-strength castable for runner are produced with corundum,andalusite and sic as main materials,add-powder as-binding,compound additives,applied in iron line and slag line of main runner for large-volume blast furnace,meeting requirements of large-volume blast furnaces,hot metal through put more than 300,000Ton.
Items |
Chemical compositions
??%??
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Breaking strength
??Mpa??
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Compressive strength??Mpa??
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Linear change rate
(%)
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Bulk density
(g/cm3)
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Al2O3
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SiC
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F.C
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(110?榴imes;24h)
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(1450?榴imes;3h)
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(110?榴imes;24h)
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(1450?榴imes;3h)
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(1450?榴imes;3h)
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(110?榴imes;24h)
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JCTG-T
Iron line
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≥68
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≥12
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≥2
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≥3.5
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≥5.5
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≥25
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≥45
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±0..5
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≥2.8
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JCTG-Z
Slag line
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≥50
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≥30
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≥2
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≥3.5
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≥5
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≥20
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≥30
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±0..5
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≥2.7
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Applic-ation areas |
Castables for iron and slag lines of main runner for large-volume blast furnace |
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