Tundish Refractory Materials
High Temperature Tundish Nozzles for Foundry
High temperature tundish nozzles are an essential component in foundry applications. They are used to control the flow of molten metal from the tundish to the mold, and must withstand extremely hig...
DESCRIPTION
High temperature tundish nozzles are an essential component in foundry applications. They are used to control the flow of molten metal from the tundish to the mold, and must withstand extremely high temperatures and corrosive environments.
There are various types of tundish nozzles available in the market, each with its own advantages and disadvantages. Some popular options include alumina-based nozzles, zirconia-based nozzles, and silicon carbide nozzles.
Alumina-based nozzles are widely used in foundries due to their excellent thermal shock resistance and chemical stability. They can withstand temperatures up to 1600°C and are suitable for use with all types of molten metals.
Zirconia-based nozzles are known for their high mechanical strength and toughness, making them ideal for applications where there is a risk of nozzle breakage or failure. They can withstand temperatures up to 2000°C and are highly resistant to thermal shock.
| Type of Tundish Nozzle | Material | Max. Service Temperature | Thermal Shock Resistance | Wear Resistance | Chemical Resistance |
|---|---|---|---|---|---|
| Alumina-Carbon Tundish Nozzle | Alumina and graphite | 1700°C | Good | Excellent | Resistant to oxidation, reduction, and chemical attacks from molten steel. |
| Zirconia Tundish Nozzle | Zirconia | 2300°C | Excellent | Good | Resistant to corrosion, erosion, and thermal shock. |
| Magnesia Tundish Nozzle | Magnesia | 1800°C | Excellent | Good | Resistant to basic and neutral slags, but can be attacked by acidic slags. |
| Graphite Tundish Nozzle | Graphite | 3000°C | Good | Poor | Resistant to oxidation and chemical attacks from molten steel, but susceptible to erosion and wear. |
| Flow Control Tundish Nozzle | Varies (depending on design) | Varies (depending on material) | Varies (depending on material) | Varies (depending on material) | Varies (depending on material) |
| Customized Tundish Nozzle | Varies (depending on design) | Varies (depending on material) | Varies (depending on material) | Varies (depending on material) | Varies (depending on material) |
| High Temperature Tundish Nozzle | Varies (depending on material) | Up to 1600°C | Varies (depending on material) | Varies (depending on material) | Varies (depending on material) |
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