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The nozzle of long-life Zirconia Tundish is mainly used in continuous casting of billet in steel works. In order to reduce energy consumption and reduce the labor intensity of operators, our company adjusted the production process of this product, so that the service life of this product increased from 20 to 30 furnace times.
The improvement of this product has been approved by the customer.
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Zirconia Inserts Tundish Nozzle Outside |
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CT-PMD1 |
CT-PMD2 |
CT-PMD3 |
CTAL75 |
CTAL85 |
CTAL95 |
Physical Properties |
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Apparent Porosity (%) |
11-12 |
8-10 |
6-8 |
20 |
18 |
16 |
Bulk Density (g/cm3) |
≥4.9 |
≥5.2 |
≥5.3 |
2.6 |
2.8 |
3.0 |
Chemical Analysis (%) |
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ZrO2 + HfO2 |
≥94.0 |
≥95.5 |
≥96 |
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SiO2 |
1.1 |
0.23 |
0.5 |
20 |
13 |
8 |
TiO2 |
0.2 |
0.2 |
0.1 |
3 |
2.1 |
0.3 |
Fe2O3 |
0.5 |
0.05 |
0.05 |
2.5 |
2.0 |
0.58 |
Al2O3 |
0.4 |
0.42 |
0.1 |
≥75 |
≥85 |
≥90 |
CaO |
0.2 |
0.15 |
0.15 |
0.2 |
0.1 |
0.20 |
MgO |
2.5 |
2.4 |
2.4 |
0.2 |
0.1 |
0.06 |
Na2O |
0.03 |
0.01 |
0.01 |
0.6 |
0.5 |
0.3 |
http://www.ctzirconia.com/