Tundish Nozzle Technical Data
Use this page to check chemistry, density, porosity and bore size before you send a drawing for quotation.
Tundish Nozzle Outer Body
Alumina-based outer body. Typical values from the tundish nozzle TDS.
| Property | Typical |
|---|---|
| Al₂O₃ | 75% |
| Fe₂O₃ | 1.2% |
| SiO₂ | 15% |
| Bulk density | 2.85 g/cm³ |
| Apparent porosity | 18% |
Zirconia Insert
Figures below are the dedicated zirconia insert specification. They are not copied from the tundish nozzle TDS.
Dedicated Zirconia Insert Specification
| Property | Norm |
|---|---|
| Density | ≥ 5.3 g/cc |
| Apparent porosity | 5% |
| ZrO₂ | ≥ 95% |
| SiO₂ | ≤ 0.25% |
| MgO | ≤ 0.28% |
| Fe₂O₃ | ≤ 0.1% |
| CaO | 0.04% |
Source: dedicated zirconia insert TDS. Density, porosity and chemistry on this table stay on this table.
Typical value shown in the Tundish Nozzle TDS
| Property | Typical |
|---|---|
| ZrO₂ | 96% |
| MgO | 2.6% |
| SiO₂ | 0.04% |
| Al₂O₃ | 0.15% |
| Bulk density | 5.25 g/cm³ |
| Apparent porosity | 7% |
These insert figures belong to the tundish nozzle TDS. They are not the dedicated zirconia insert specification.
Tundish Nozzle Bore Diameters
Bore diameters listed on the tundish nozzle TDS: 10 mm, 11 mm, 12 mm, 12.5 mm, 13 mm, 13.5 mm, 14 mm, 14.5 mm, 15 mm, 15.5 mm, 16 mm and 16.5 mm.
Tundish Nozzle Video
Shop video of tundish nozzle manufacturing and inspection: forming, firing, machining, zirconia insert, checking and packing. These are production clips, not a company advertisement.