Lower Nozzle
Honsin series of lower nozzles for ladle are made from corundum, bauxite, flake graphite, antioxidant and phenolic resin.They are characterized by excellent thermal shock resistance, stable performance, good excellent corrosion and erosion resistance, strong cracking resistance etc.
Typical product characteristics tables :
| Item | HSLW-1 | HSLW-2 | HSLW-3 | HSLW-4 |
| Al2O3 % Min. | 75 | 70 | 72 | 68 |
| C % Max. | 4 | 4 | 8 | 8 |
| Bulk Density g/cm3 Min. | 2.85 | 2.75 | 2.80 | 2.75 |
| Apparent Porosity % Max. | 14 | 14 | 14 | 14 |
| Cold Crushing Strength MPa Min. | 65 | 55 | 40 | 40 |
| Hot Modulus of Rupture MPa Min. | 12 | 10 | 10 | 10 |
| Application | All Kinds of ladles | Ladles Bigger than 80T | Ladles Smaller than 80T | |
| Service life (heats) | 4 Min. | 1~2 | 3 Min. | 2~4 |
Upper nozzle
Honsin Group develops series of corundum based ladle upper nozzles with newest technology. They are characterized by superior resistance to thermal shock, erosion, oxidation and long service life.
Typical product characteristics tables :
| Item |
HSLZ-1 |
HSLZ-2 |
HSLZ-3 |
HSLZ-4 |
HSLZ-5 |
| Al2O3 % Min. |
85 |
75 |
– |
72 |
68 |
| MgO % Min. |
70 |
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| C % Max. |
3 |
4 |
4 |
8 |
8 |
| Bulk Density g/cm3 Min. |
2.90 |
2.85 |
2.75 |
2.80 |
2.75 |
| Apparent Porosity % Max. |
14 |
14 |
14 |
14 |
14 |
| Cold Crushing Strength MPa Min. |
75 |
65 |
45 |
40 |
40 |
| Hot Modulus of Rupture MPa Min. |
12 |
12 |
10 |
10 |
10 |
| Application area (Ladle) |
≥60MT |
≥40MT |
High erosion steel |
40-80MT |
≤50MT |