製品情報
| 原産地: 中国(本土) | 形: レンガ | 材料: Other |
| Al2O3成分(%): 40-80% | 耐火性(程度): 公有地(1580°< Refractoriness< 1770°) | 銘柄: YFB,TFB |
仕様
一般的な使用のための粘土質れんが ランナーレンガ、ストッパー、ノズル スリーブと座席ブロック 密な粘土質レンガ。
Y-FB GFB40 GFB42 GFB45 |
Al2O3(%)min. 40 40 42 45 |
Fe2O3(%)max. 2.5 |
Refractoriness()min. 1710 1730 1750 1750 |
Refractoriness under load 0.2MPa()min. 1300 1350 1400 1400 |
Apparent porosity(%)max. 22 20 20 20 |
Cold crushing strength (MPa)min. 30 30 35 40 |
Linear change after reheating(%)max. At 1350×2h +0.1 -0.4 At14003h +0.1 +0.1 +0.2 - 0.5 -0.4 -0.2 |
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Goods Brand | LZ-80 | LZ-75 | LZ-65 | LZ-55 | LZ-48 | |
Al2O3(%) min | 80 | 75 | 65 | 55 | 48 | |
Refractriness under load 0.2 Mpa ( °C) min | 1530 | 1520 | 1500 | 1450 | 1420 | |
Apparent porosity (%) max | 22 | 23 | 23 | 22 | 22 | |
Cold Crushing strength (MPa)min | 55 | 50 | 45 | 40 | 35 | |
Shrinkage after reheating (%) max | 1500°Cx2h | +0.1~-0.4 | +0.1~-0.4 | +0.1~-0.4 | +0.1~-0.4 | *** |
1450°Cx2h | *** | *** | *** | *** | +0.1~-0.4 | |
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Alumina-silicate products containing more than 48% of Al2O3 and in a certain shape, is called high alumina brick, widely used in blast furnace, thermal storage chamber, soaking pit, annealing furnace, ladle, etc. High alumina brick containing more than 80% or higher are used in electric arc furnace roof and the special zone of other high temperature furnaces. | ||||||
