According to customers’ needs, CH Refractories can provide ordinary, quick exchangeable and gas purging upper nozzles.
According to customers' needs, CH Refractories can provide ordinary, quick exchangeable and gas purging upper nozzles. The bowl part of the tundish nozzle is available with Al2O3-C, MgO-C and spinel-C based and the main body is Al2O3-C based. The main component of the inner core is zirconia, which has the characteristics of high fire resistance, good thermal shock stability, corrosion resistance, erosion resistance, small diameter expansion and long life.18. The tundish zirconium sizing nozzle made by CH refractories company, can be widely used for continuous casting and molded casting, which with different service life according to different specifications.
◆ Steel plant CCM casting
◆High strength,
◆Long service life
◆Customized size
◆Free mould charge
| Inner core | ||||||||||||
| Brand | CH-DJX | |||||||||||
| / | X1 | X2 | X3 | X4 | X5 | X6 | X7 | X8 | X9 | X11 | X12 | X13 |
| ZrO2/% | 70 | 75 | 80 | 85 | 90 | 93 | 93 | 93 | 93 | 95 | 95 | 95 |
| Bulk density/g.cm3 | 3.8 | 3.9 | 4 | 4.1 | 4.3 | 4.5 | 4.7 | 4.9 | 5.1 | 5.1 | 5.2 | 5.5 |
| Apparent porosity／％ | 22 | 22 | 20 | 20 | 20 | 20 | 18 | 15 | 13 | 13 | 10 | 8 |
| Themal shock resistance /cycle(1100℃water cooling) | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| Coat | ||||||
| Brand | CH-DJW | |||||
| / | W1 | W2 | W3 | W4 | W5 | W6 |
| Al2O3/% | ≥65 | ≥65 | ≥70 | ≥70 | ≥75 | ≥75 |
| C/% | -- | -- | -- | ≥3 | -- | ≥5 |
| Bulk density/g.cm3 | ≥2.3 | ≥2.6 | ≥2.6 | ≥2.7 | ≥2.7 | ≥2.85 |
| Apparent porosity／％ | ≤24 | ≤15 | ≤22 | ≤20 | ≤20 | ≤15 |
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