Customization Upper Nozzle Refractories For Tundish Wear Resistance
Refractory Upper Nozzle Tundish Nozzle
Description
The Upper Nozzle made of tabular alumina,white fused alumina,sintered spinel,flake graphite,antioxidants and phenolic resin etc.which has the advantages of excellent thermal shock stability,good oxidation resistance and high corrosion resistance.suitable for all kinds of Ladle used in steel making mills.
Advantages:
1. Sliding quickly, accurately, without bias, leaking steel 2. Good corrosion resistance, no obvious diameter expansion, long service life, no bias flow, scattered flow phenomenon; 3. Good thermal shock performance ;4. Strong anti-erosion performance
Specifications
| Upper Nozzle-Insert | |||||
| ZrO2 % Min. | 64 | 69 | 79 | 93 | 94 |
| Bulk Density g/cm3 Min. | 3.6 | 3.7 | 3.9 | 4.3 | 4.3 |
| Apparent Porosity % Max. | 23 | 23 | 23 | 21 | 21 |
| Cold Crushing Strength MPa Min. | 80 | 80 | 80 | 100 | 100 |
| Refractoriness ℃ Min. | 1790 | 1790 | 1790 | 1790 | 1790 |
| Upper Nozzle-Body | ||||
| Al2O3 % Min. | 65 | 75 | 65 | 80 |
| MgO % Min. | 10 | |||
| C % Min. | 3 | 3 | ||
| Bulk Density g/cm3 Min. | 2.3 | 2.4 | 2.9 | 3.0 |
| Apparent Porosity % Max. | 25 | 25 | 10 | 10 |
| Cold Crushing Strength MPa Min. | 60 | 60 | 40 | 60 |
Packing & Delivery
Packing: 1 ton big bag, 20-25mt in 20' container
Our Services
We can try our best to provide you the good services as below:
1.We have Experienced staffs .
2.Provide kinds of certificates.
3.24 hours on line to answer all your questions .
4.The content packing particle size may be based on customer demand.
5.Quality can be guaranteed. we provide safe products to our users.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.