Electric furnace partly high alumina brick
Categories：
Refractory Material Is Used For The Steelmaking System
The product is suitable for covering the surface of ladle, spreading rapidly on the surface of molten steel, forming a three-layer structure
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Item/Index /brand |
Fired High Aluminum Turning for Electric Furnace Tops | The top of the electric furnace with non-burning high alumina turn | ||||
|
YDL-80 |
DL- 80 |
DL-75 |
BDL-80 |
BDL-75 |
||
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AL,O, |
≥80 |
≥80 |
≥75 |
≥80 |
≥75 |
|
| Fire resistance ℃ |
≥1790 |
/ |
/ |
≥1780 |
≥1780 |
|
| Apparent porosity AP% | Furnace top brick |
≤20 |
≤19 |
≤19 |
≤18 |
≤18 |
| Architrave |
≤22 |
21 |
≤21. |
≤20 |
≤20 |
|
| Normal temperature compressive strength Mpa |
≥75 |
≥75 |
≥65 |
≥60 |
≥55 |
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| 0.2Mpa load softening temperature ℃ |
≥1550 |
≥1530 |
≥1520 |
≥1530 |
≥1520 |
|
|
Rate of change of the refiring line（1550℃x2h）% |
0.2--0.3 |
0.2~-0.4 |
0.2~-0.4 |
/ |
/ |
|
| Thermal shock stability (1100°C water cooling) times |
≥10 |
/ |
/ |
≥8 |
≥8 |
|
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Electric furnace partly high alumina brick
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