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镁铬砖 Magnesia-Chrome Bricks

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Corrosion resistance against basic melt or gas

Common application: working lining for steel furnaces and refining vessels

指标 Spec

牌号 Brand

超高温烧成直接结合镁铬砖
super-high temperature fired magnesia-chrome brick

烧成镁铬砖
fired magnesia-chrome brick

BSC-1

BSC-2

BSC-3

BSC-4

BHC-1

BHC-2

BHC-3

BHC-4

MgO % min

80

66

58

50

60

55

45

40

Cr2O3 % min

3

12

18

23

8

12

23

32

显气孔率Apparent porosity, ≤ %

17

17

16

16

24

23

23

23

体积密度 Density, ≥ g/cm3

3.0

3.01

3.02

3.25

 

 

 

 

常温耐压强度
cold crushing strength, ≥MPa

40

40

40

40

24.5

24.5

24.5

24.5

0.2 MPa下的软化点softening temperature under load 0.2 MPa, C

1680

1700

1700

1700

1530

1550

1550

1550