Products for continuous casting of steel
Submerged Entry Nozzle
|
Indicator name |
Body of Nozzle |
|
|---|---|---|
|
Slag belt |
||
|
Mass fraction of component, %: Al2O3, no less ZrO2, not less С, no less |
40,0 - 20,0 |
- 75,0 11,0 |
|
Apparent density, g/cm3, not less |
2,35 |
3,55 |
|
Open porosity, %, no more |
18,0 |
18,0 |
|
Compressive strength, N/mm2, not less |
22 |
20 |
|
Bending strength, N/mm2, not less |
6 |
5 |
Solid-bottomed Submerged Entry Nozzle
|
Indicator name |
Cylindrical part of Nozzle |
|
|---|---|---|
|
Slag belt |
||
|
Mass fraction of component, %: Al2O3, no less ZrO2, not less С, no less |
45,0 - 20,0 |
- 75,0 10,0 |
|
Apparent density, g/cm3, not less |
2,3 |
3,5 |
|
Open porosity, %, no more |
19,0 |
19,0 |
|
Compressive strength, N/mm2, not less |
20 |
20 |
|
Bending strength, N/mm2, not less |
6 |
5 |
Tundish Nozzle with periclase-graphite seat
|
Indicator name |
Cylindrical part of Nozzle |
Saddle |
|---|---|---|
|
Mass fraction of component, %: Al2O3, не менее MgO, no less С, not less |
55,0 - 18,0 |
- 65,0 11,0 |
|
Apparent density, g/cm3, not less |
2,45 |
2,65 |
|
Open porosity, %, no more |
18,0 |
17,0 |
|
Compressive strength, N/mm2, not less |
20 |
20 |
|
Bending strength, N/mm2, not less |
6 |
5 |
Tundish Nozzle with corundum-graphite seat
|
Indicator name |
Cylindrical part of Nozzle |
Saddle |
|---|---|---|
|
Mass fraction of component, %: Al2O3, no less С, no less |
55 18 |
60 10 |
|
Apparent density, g/cm3, not less |
2,45 |
2,60 |
|
Open porosity, %, no more |
18 |
18 |
|
Compressive strength, N/mm2, not less |
20 |
23 |
|
Bending strength, N/mm2, not less |
6 |
6,5 |
Monoblock stopper with periclase-graphite head
|
Indicator name |
Cylindrical part of Stopper |
Head part |
|---|---|---|
|
Mass fraction of component, %: Al2O3, no less MgO, not less С, no less |
55,0 - 23,0 |
- 65,0 11,0 |
|
Apparent density, g/cm3, not less |
2,45 |
2,65 |
|
Open porosity, %, no more |
17,0 |
17,0 |
|
Compressive strength, N/mm2, not less |
22 |
20 |
|
Bending strength, N/mm2, not less |
7 |
5 |
Monoblock stopper with corundum-graphite head
|
Indicator name |
Cylindrical part of Stopper |
Head part |
|---|---|---|
|
Mass fraction of component, %: Al2O3, no less С, no less |
55 23 |
72 11 |
|
Apparent density, g/cm3, not less |
2,45 |
2,80 |
|
Open porosity, %, no more |
17 |
17 |
|
Compressive strength, N/mm2, not less |
22 |
25 |
|
Bending strength, N/mm2, not less |
7 |
8 |
Ladle Shroud
|
Indicator name |
Cylindrical part of Stopper |
Slag belt |
|---|---|---|
|
Mass fraction of component, %: Al2O3, no less С, no less |
45 26 |
60 20 |
|
Apparent density, g/cm3, not less |
2,35 |
2,50 |
|
Open porosity, %, no more |
18,0 |
|
|
Compressive strength, N/mm2, not less |
6 |
|
|
Bending strength, N/mm2, not less |
20 |
|
