"Fused Silica Composite Submerged Nozzle" is a functional refractory material for continuous casting. There are mainly two types of existing submerged nozzles: fused silica submerged nozzles have good thermal stability, but poor slag resistance; aluminum carbon submerged nozzles The slag resistance is good, but the heat radiation is large, the use environment is poor, and the cost is high. The main feature of the present invention is that the outer surface of the part susceptible to slag leaching is compounded with a layer of high-grade refractory material, while the other part still uses low-cost fused silica It is the material. This not only retains the advantages of the existing products, but also overcomes the shortcomings of the existing products in a certain procedure.
Chemical and physical of properties
Chemical analysisPhysical Properties
SiO2 %Bulk Density g/cm鲁Apparent Porosity %Cold Crushing Strength MPa
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