• Andalusite Casting Steel Brick

Andalusite Casting Steel Brick

  • Al2O3 :≤57
  • Fe2O3 :≥2.0
  • Apparent Porosity %:≥25
  • Cold Crushing Strength Mpa:≤25
  • Spalling Test: 1400℃ (Cycle):≤2
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Production:
Silicon carbide stopper brick is used at the bottom of the stopper rod. It’s tightly matched with nozzle brick.
When not in casting, it blocks the nozzle to ensure no leakage on molten steel.
When casting, the silicon carbide stopper brick will be raised by stopper rod, and the molten steel will be flow out from the between the stopper brick and nozzle brick.
The outflow of liquid steel can be controlled by adjusting the height of the stopper. Stopper brick and core rolled can be fastened by screw thread or pin.
Features:
1. High-temperature resistance.
2. Good thermal shock resistance.
3. Good resistance to abrasion and corrosion.
4. Won't pollute the molten steel.
Application:
It is mainly used in steel casting.

 
 

Item

Test Method

Andalusite Casting Steel Brick

BM-CR60

Typical

Specification

Maximum Service Temperature ℃

KS L3113

37

≤37

Bulk Density           g/cm3

KS L3114

2.40

≤2.30

Cold Crushing Strength  Mpa

KS L 3115

35

≤25

Apparent Porosity       %

KS L3114

21

≥25

Spalling Test:1400℃  ( cycle)

KS L3115

3

≤2

AL2O3                %

KS L3128

60

≤57

Fe2O3                %

KSL 3128

--

≥2.0

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