Semi-bonded Magnesia-chrome Brick
1.Semi-rebonded magnesia-chrome brick is made by fused magnesia chrome and electro fused magnesia grains through high temperature sintering.
2.High strength,corrosion resistance,erosion resistance,excellent slag resistance and good thermal shock stability.
3.Application:Non-ferrous smelting furnace,steel making EAF,converter,AOD,VOD refining ladle.
2.High strength,corrosion resistance,erosion resistance,excellent slag resistance and good thermal shock stability.
3.Application:Non-ferrous smelting furnace,steel making EAF,converter,AOD,VOD refining ladle.
|
Item |
MGe22 |
MGe20 |
MGe18 |
MGe16 |
MGe14 |
|
≥56 |
≥60 |
≥62 |
≥65 |
≥70 |
|
|
Cr2O3 % |
≥22 |
≥20 |
≥18 |
≥16 |
≥14 |
|
Al2O3 % |
≤7.0 |
≤6.5 |
≤6.0 |
≤5.5 |
≤5.0 |
|
Fe2O3 % |
≤11.0 |
≤10.0 |
≤9.5 |
≤9.0 |
≤7.5 |
|
CaO % |
≤1.0 |
≤1.0 |
≤1.0 |
≤1.2 |
≤1.2 |
|
SiO2 % |
≤1.5 |
≤1.3 |
≤1.3 |
≤1.2 |
≤1.2 |
|
Cold Crushing Strength Mpa |
≥65 |
≥65 |
≥65 |
≥60 |
≥60 |
|
Apparent Porosity % |
≤16 |
≤16 |
≤16 |
≤17 |
≤17 |
|
Bulk Density g/cm3 |
≥3.25 |
≥3.25 |
≥3.20 |
≥3.20 |
≥3.15 |
|
Refractoriness Under Load °C |
≥1750 |
≥1750 |
≥1750 |
≥1700 |
≥1700 |
Feature
1.High strength,
2.Corrosion resistance,erosion resistance,
3.Excellent slag resistance and good thermal shock stability.
Application
Semi-rebonded magnesia-chrome brick is used in refining furnaces of AOD,RH,VOD, SKF,EAF furnace,non-ferrous metallurgical converter furnace.Mainly applied to metallurgy,nonferrous metals,air hole of furnace,slag line,furnace exit.
