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
|
(110?榴imes;24h)
|
(1450?榴imes;3h)
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(110?榴imes;24h)
|
(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
|
≥68
|
≥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
|
±0..5
|
≥2.8
|
|
JCTG-Z
Slag line
|
≥50
|
≥30
|
≥2
|
≥3.5
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≥5
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≥20
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≥30
|
±0..5
|
≥2.7
|
Applic-ation areas |
Castables for iron and slag lines of main runner for large-volume blast furnace |
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