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Quick change,submerged entry nozzle of Al2O3-ZrO2-C
Application
The sumberged entry nozzle serve to protect the molten steel casting between tundish and crystalizer vessel, in conjunction with mono block stopper it controls the molten steel flow rate,stop the molten steel and adjust the flow direction.
Advantage:
This product boasts of good properties such like excellent thermal resistance, good reliability,high anti-errosion strength and anti-mechanic crack. Each batch of products shall be through strict Non-destructive test before release.
Specification:
Index Item | Submerged Entry Nozzle | ||
Body | Slag Line | ||
Chemical Composition | Al203≥% | 60 |
|
C≥% | 25 | 15 | |
ZrO2≥% |
| 70 | |
Refractoriness ≥°C | 1770 | 1770 | |
Apparent Porosity ≤% | 18 | 12 | |
Bulk Density ≥g/cm3 | 2.65 | 3.2 | |
Cold Crushing Strenth≥MPa | 20 | 20 | |
High Quality Submerged Entry Nozzle