High-Alumina Material Refractory Bricks
Item |
Al 2 O 3 % |
apparent porosity(%) |
compression strength at normal temperatur(MPa) |
refractoriness(¡æ) |
apparent initial softening temperature(¡æ) |
linear change on reheating % |
thermal shock resistance |
remark |
|
Ordinary high-alumina brick |
¡Ý 65 |
£¼ 12Kg 28¡Ý12Kg 29 |
¡Ý 40 |
¡Ý 1790 |
¡Ý 1460 |
- |
- |
- |
Q/MGB522-94 |
high-alumina brick for hot-blast stove |
¡Ý 65 |
£¼ 8Kg 26 ¡Ý8Kg 28 |
¡Ý 45 |
¡Ý 1790 |
¡Ý 1470 |
¡Ñ |
1500¡æ£¬2h |
- |
Q/MGB522-94 |
high-alumina brick used for electric are furnace roof |
¡Ý 65 |
¡Ü 26 |
¡Ý 50 |
¡Ý 1790 |
¡Ý 1480 |
¡Ñ |
1500¡æ£¬2h |
- |
Q/MGB522-94 |
high-alumina stopper used for intenal steel casting |
¡Ý 50 |
¡Ü 21 |
- |
¡Ý 1750 |
¡Ý 1130 |
- |
- |
- |
Residual water¡Ü0.5% |
high-alumina brick in casting hole for internal steel casting |
¡Ý 50 |
¡Ü 20 |
- |
¡Ý 1750 |
¡Ý 1120 |
- |
- |
- |
Residual water¡Ü0.5% |
APPLICATIONS |
The bricks is mainly used in AOD, VOD, RH, LF and Non-ferrous furnaces |
PACKING |
Package with paper case and wood pallet |
STORAGE AND SHELF LIFE |
At least 18 months in dry conditions |
| AVAILABILITY | 4 0-500 metric tons per month |
SHIPMENT |
60 days after L/C date |