Product classification
Zirconia nozzles
◆ High density ◆ High thermal shock ◆ Long lifespan
Classification:
Key words:
Zirconia nozzles
Product Description
Product description：
Zirconia nozzle is mainly used for billet middle bag continuous casting steelwhich is the key functional refractory to control the flow of water injected into thecrystal and stabilize the drawing speed.
With the continuous improvement of the intermediate bag life, the service lifeof the zirconia water outlet should be improved accordingly, Through experimentalresearch, the company has successfully developed high density, high heat shock,long life zirconia water outlet series products.
Parameters：
|
Performance index |
Zirconia nozzles |
|
|
Main chemical composition,%
|
ZrO2+Stabilizers |
≥98 |
|
SiO2 |
≤0.2 |
|
|
Bulk density，g/cm3 |
≥5.5 |
|
|
Apparent porosity，% |
≤5 |
|
|
Normal temperature flexural strength，mpa |
≥50 |
|
|
Thermal shock stability |
Oxygen—acetylene flame melting without cracking |
|
|
Product types and fields of use |
Continuous casting of steel in the middle ladle of square billets |
|
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