SH Refractoriesmanufactures a comprehensive range of high performance Zirconia Tundish Metering Nozzles used mainly in the continuous casting of steel billets. Tundish Nozzles usually comprise a zirconia inner nozzle (often referred to as a zirconia insert with a lower grade outer body such as Alumina, Zircon or Bauxite. Solid ZrO2 type or Composite type Alumina+ZrO2 type nozzles are available to help customers to achieve best performance in Tundish Metallurgical Flow Control.
Features
Chemical and Physical Properties | Zirconia metering (sizing) nozzle | outer composite tundish nozzle | ||
GRADE-A1 | GRADE-A2 | ALUMINA | MAGNESIA | |
ZrO2,% | 96 | 95 | - | - |
MgO,% | 2.40 -3.3 | 2.4 -3.3 | - | 96 |
Al2O3,% | 0.02 | 0.40 | 97 | - |
Fe2O3,% | 0.02 | 0.04 | 0.1 | 0.7 |
Si2O3,% | 0.3 | 0.6 | 0.2 | 0.8 |
A.P.,% max | 2 - 4 | 5 - 7 |
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C.C.S.,MPa min | 130 | 130 |
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B.D.,g/cm3 | 4 - 5 | 2 - 5 |
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