
Zirconia Inserts for FNC Fling Nozzle
FNC is a quick change mechanism for Tundish nozzle, which is installed at the bottom of tundish. A Zirconia tundish fixed nozzle is installed on the top of the FNC mechanism, which is not replaceable, and a Zirconia tundish outlet is installed on the bottom of the FNC mechanism.
FNC is a quick change mechanism for Tundish nozzle, which is installed at the bottom of tundish. A Zirconia tundish fixed nozzle is installed on the top of the FNC mechanism, which is not replaceable, and a Zirconia tundish outlet is installed on the bottom of the FNC mechanism. The ZIRCONIA INSERT FOR FNC nozzle made by our company is suitable for tundish outlet. The ZIRCONIA INSERT is assembled into the tundish outlet by pressing or pouring. The lowest service life of zirconium oxide insert for FNC nozzle is 10 heats. This product has been applied well in Europe and some CIS countries.
CT-PMD1 | CT-PMD2 | CT-PMD3 | |
Physical Properties | |||
Apparent Porosity (%) | 11-12 | 8-10 | 6-8 |
Bulk Density (g/cm3) | ≥4.9 | ≥5.2 | ≥5.3 |
Chemical Analysis(%) | |||
ZrO + HfO | ≥94.0 | ≥95.5 | ≥96.0 |
SiO | 1.1 | 0.23 | 0.5 |
TiO2 | 0.2 | 0.2 | 0.1 |
Fe2O3 | 0.5 | 0.05 | 0.05 |
Al2O3 | 0.4 | 0.42 | 0.1 |
CaO | 0.2 | 0.15 | 0.15 |
MgO | 2.5 | 2.4 | 2.4 |
Na2O | 0.03 | 0.01 | 0.01 |


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