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超高功率电炉顶砖
High-Alumina Roofing Bricks for Superpower Electric Arc Furnace

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creep resistance

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thermal shock resistance

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chemical resistance

Common applications:

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superpower electric arc furnace roof lining

指标 Spec

牌号 Brand

电极孔砖Brick for the hole of electrode

电炉盖砖Brick for electric furnace roof

Al2O3 % min

83

80

TiO2 % max

2.9

3.2

Fe2O3 % max

1.5

1.6

显气孔率Apparent porosity, ≤ %

22

23

常温耐压强度Cold crushing strength, MPa

60

50

0.2 MPa荷重软化温度softening temperature under load 0.2 MPa, ≥ C

1530

1500

热震稳定性950C水冷),Thermal shock resistance, # cycles at 950C-water cool

20

20