Item | Parameter | |||||||||
Type | Main groove | Secondary groove | Main groo-ve casta-ble |
Swin-g groo-ve casta-ble |
Suppor-ting iron groove castabl-e |
Slag line groo-ve casta-ble |
Main groo-ve casta-ble |
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Iron line material | Slag line material | Iron line material | Slag line material | |||||||
Model | LH-101 | LH-102 | LH-103 | LH-104 | LH-105 | LH-106 | LH-107 | LH-108 | LH-109 | |
Chem-ical composition% | AL2O3 | ≥75 | ≥55 | ≥70 | ≥65 | ≥75 | ≥55 | ≥70 | ≥65 | ≥70 |
SIC | ≥10 | ≥30 | ≥13 | ≥18 | ≥14 | ≥15 | ≥10 | ≥18 | ≥10 | |
Bulk density g/cm3 | 110°C*24h | ≥3.0 | ≥2.9 | ≥2.7 | ≥2.6 | ≥3.0 | ≥2.9 | ≥2.8 | ≥2.8 | ≥2.7 |
1450°C*3h | ≥2.9 | ≥2.8 | ≥2.5 | ≥2.5 | ≥2.9 | ≥2.9 | ≥2.8 | ≥2.7 | ≥2.6 | |
Strebgth of rupture(MPa) | 110°C*24h | ≥7.5 | ≥8.0 | ≥6.5 | ≥6.5 | ≥4.0 | ≥6.0 | ≥3.0 | ≥7.0 | ≥6.0 |
1000°C*3h | ≥7.0 | ≥7.0 | ≥8.0 | ≥7.0 | ≥6.0 | ≥8.0 | ≥5.5 | ≥6.5 | ≥6.0 | |
1450°C*3h | ≥7.0 | ≥6.0 | ≥13 | ≥8.0 | ≥12.0 | ≥13.0 | ≥8.0 | ≥7.0 | ≥6.0 | |
Strength of repture under hot stage(MPa)1450°C*3h | ≥2.0 | ≥1.1 | ≥3.0 | ≥1.7 | ≥1.5 | ≥1.0 | ≥3.5 | ≥1.3 | ≥1.0 | |
Compression strength(MPa) | 110°C*24h | ≥40 | ≥40 | ≥25 | ≥25 | ≥30 | ≥40 | ≥15 | ≥30 | ≥30 |
1450°C*3h | ≥40 | ≥50 | ≥40 | ≥35 | ≥75 | ≥80 | ≥75 | ≥45 | ≥40 | |
Linear change rate(1450°C*2h) | -0.1 | +0.03 | +0.32 | +0.25 | +0.10 | -0.10 | +0.10 | +0.2 | +0.1 | |
Water volume for constrution | 4.5 | 5.0 | 5.5 | 6.0 | 4.5 | 4.5 | 5.0 | 5.0 | 5.2 | |
Remark | >2000m³ blast furnace | 1000-2000m³ blast furnace | <1000m³ blast furnace |
Henan Guangda Refractories Co., Ltd is a high-tech enterprise which is dedicated to the refractory materials research and development, production, trade and engineering. Our company owns a professional technical research and development team that has been engaged in the refractory materials for decade years, owns advanced production equipments and testing equipment with the excellent marketing team. Our company has a sound management system for the market development and after-sale service. We will, as always, insist on the principle of quality first, customer first, putting quality and customers first, wholeheartedly provide the best quality......