| Product | Submerged Entry Nozzle |
Classified by materials and functions, our products can be grouped into blowing argon/ non-argon, fast replacement, alumina-zirconia-carbon, alumina-carbon, magnesia-carbon, etc. It possesses good capacity of erosion resistance to molten steel, anti-oxidation by molten steel, and anti-corrosion by slag. We can provide products made of various materials according to the specific conditions of the steel companies. |
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Specification
Kind |
Body |
Powder Zone |
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Properties |
Alumina-Graphite |
Zirconia-Graphite |
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Cold Crushing Strength (Mpa) |
21 |
27 |
27 |
27 |
20 |
31 |
29 |
|
Modulus of Rupture(Mpa) |
7 |
9 |
9 |
8.5 |
8 |
10.5 |
8.5 |
|
Bulk Density (g/cm3) |
2.18 |
2.29 |
2.34 |
2.46 |
3.23 |
3.46 |
3.6 |
|
Apparent Porosity (%) |
16.9 |
17.5 |
17.5 |
17.6 |
18 |
15.8 |
16.5 |
|
Modulus of elasticity (GPa) |
7.5 |
10.2 |
10.5 |
8.3 |
12.5 |
13 |
12.9 |
|
Thermal expansion at 1000℃ (%) |
0.22 |
0.29 |
0.36 |
0.4 |
0.35 |
0.47 |
0.48 |
|
Chemical |
F.C+SiC |
30 |
33 |
33 |
29 |
24 |
21 |
15 |
Al2O3 |
41 |
40 |
49 |
69 |
--- |
--- |
--- |
|
SiO2 |
25 |
18 |
10 |
--- |
--- |
--- |
--- |
|
ZrO2 |
3 |
17 |
5 |
--- |
70 |
75 |
80 |
|
