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镁铬砖
Magnesia-Chrome Bricks
 |
Corrosion resistance against basic melt or gas |
Common application: working lining for steel furnaces and refining
vessels
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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 |
|
|
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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 |
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