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Alumina bricks
We also supply various refractory materials of bricks, such as magnesia carbon bricks,alumina brick, carbon bricks etc. They are widely used in metallurgical industries in building lining of hot-blast stove, blast furnace, the cement kiln, the glass industries and the other industries. They have advantages of excellent thermal stability, high refractoriness under load, anti-corrosion and high thermal shock resistance.
|
Name |
ASTM&JIS standard high temp refractory brick for steel industry |
|
Size and Specifications |
230x114x65mm |
|
Type |
High Alumina Brick |
|
Characteristics |
1. Excellent thermal stability |
|
Typical Use |
1. Building materials for blast furnace |
ASTM&JIS standard high temp refractory brick for steel industry.
Technical data:
|
Item |
Fire clay Brick |
High Alumina Brick |
||||
|
SK32 |
SK34 |
SK35 |
SK36 |
SK37 |
SK38 |
|
|
Al2O3 (%) ≥ |
38 |
42 |
48 |
55 |
65 |
75 |
|
Refractoriness (C) ≥ |
1670 |
1730 |
1750 |
1770 |
1790 |
1810 |
|
Refractoriness under Load (C) , 0.2Mpa≥ |
1250 |
1300 |
1420 |
1470 |
1500 |
1520 |
|
Linear Change (%) |
1350 C |
1350 C |
1450 C |
1500 C |
1500 C |
1500 C |
|
-0.5 |
-0.5 |
-0.4-+0.1 |
-0.4-+0.1 |
-0.4-+0.1 |
-0.4-+0.1 |
|
|
Porosity (%) ≤ |
26 |
26 |
22 |
22 |
23 |
23 |
|
Cold Crushing Strength, MPa ≥ |
15 |
20 |
39.2 |
44.1 |
49 |
53.9 |