Press Type CNM Exchange Nozzle
CNM quick change nozzle can be divided into two products, one for CNM quick change nozzle, the other for CNM quick change nozzle . Quick change the nozzle outlet and quick change the nozzle outlet matching use.
CNM quick change nozzle can be divided into two products, one for CNM quick change nozzle, the other for CNM quick change nozzle . Quick change the nozzle outlet and quick change the nozzle outlet matching use. The quick change water inlet is placed at the bottom of the Tundish, and the quick change water inlet is placed at the lower plane of the quick change water inlet. The pressing type CNM quick change nozzle produced by our company is mainly aimed at the CNM upper nozzle. The compressive strength, bulk density and porosity of pressed CNM nozzle are better than those of CAST CNM nozzle. It is not easy to produce the quality accident such as clamping steel and red seam in the process of using.
Zirconia Inserts Tundish Nozzle Outside | ||||||
CT-PMD1 | CT-PMD2 | CT-PMD3 | CTAL75 | CTAL85 | CTAL95 | |
Physical Properties | ||||||
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 (%) | ||||||
ZrO2 + HfO2 | ≥94.0 | ≥95.5 | ≥96 | / | / / | |
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 |
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