CNC Long Top Refractory Nozzle
CNC Long Upper Nozzle This lengthened CNC nozzle is designed to extend the life of the product nozzle and improve the safety of casting.
The upper nozzle is located in the inner layer of the tundish, through which the molten steel flows to the replaceable sizing nozzle that plays a controlling role and determines the flow rate accordingly. The upper nozzle must be able to withstand long sequence times.
1.Good shermal sock resistance
2.long service life
3.good product stabitity /the stability of product is good
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Zirconia Inserts |
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CT-PMD1 |
CT-PMD2 |
CT-PMD3 |
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Physical Properties |
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Apparent Porosity (%) |
11-12 |
8-10 |
6-8 |
|
Bulk Density (g/cm3) |
≥4.9 |
≥5.2 |
≥5.3 |
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Chemical Analysis(%) |
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ZrO + HfO |
≥94.0 |
≥95.5 |
≥96.0 |
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SiO |
1.1 |
0.23 |
0.5 |
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TiO2 |
0.2 |
0.2 |
0.1 |
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Fe2O3 |
0.5 |
0.05 |
0.05 |
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Al2O3 |
0.4 |
0.42 |
0.1 |
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CaO |
0.2 |
0.15 |
0.15 |
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MgO |
2.5 |
2.4 |
2.4 |
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Na2O |
0.03 |
0.01 |
0.01 |
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Outside |
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CT-GL1 |
CT-GL2 |
CT-GY1 |
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Physical Properties |
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Apparent Porosity (%) |
18-20 |
16-18 |
18-20 |
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Bulk Density (g/cm3) |
≥2.8 |
≥2.85 |
≥2.9 |
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Chemical Analysis(%) |
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Al2O3 |
75 |
82 |
96.5 |
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TiO2 |
3.0 |
2.5 |
0.1 |
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Fe2O3 |
1.5 |
1.2 |
0.1 |
|
SiO |
10 |
8 |
0.1 |
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CaO |
0.2 |
0.1 |
2.5 |
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MgO |
0.2 |
0.1 |
0.1 |
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P2O5 |
2.5 |
2.5 |
0.01 |
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