QINGDAO LAURENT NEW MATERIALS CO.,LTD
QINGDAO LAURENT NEW MATERIALS CO.,LTD The Professional manufacturer of refractory and insulation materials in China.
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High Alumina Cast Steel Brick Fireproof Sleeve Brick Runner Brick
We can offer a complete range of High Alumina Cast Steel Brick Fireproof Sleeve Brick Runner Brick. In order to meet the specific requirements of each steel plant, we has set up a vast assortment of moulds and is therefore in a position to produce custom-made products or special shapes according to different production requirements.
Mould bottom bricks connect the runner bricks and casting ingot.It touches the steel ingot directly and thus is demanding for thermal shock and impact resistance ability.In order to improve the high temperature performance and manual application efficiency,we choose the premium raw materials and apply scientific formula for our production. Our products feature regular shape,smooth and clean channel,precise dimension,premium performance in thermal shock resistance and erosion proof.
Technical data
| Description | 40% | 50% | 60% | 70% | 80% | |
| Bulk Density | g/cm3 | 2.15 | 2.2 | 2.3 | 2.4 | 2.5 |
| Apparent Porosity | % | 24 | 24 | 24 | 23 | 23 |
| Cold Crushing Strength | MPa | 30 | 40 | 45 | 50 | 55 |
| Refractoriness | ℃ | 1710 | 1730 | 1750 | 1800 | 1830 |
| Softening temperature under load | ℃ | 1350 | 1430 | 1450 | 1500 | 1550 |
| Chemical Composition | % | |||||
| -Al2O3 | 40 | 50 | 60 | 70 | 80 | |
| -Fe2O3 | 2.5 | 2 | 2 | 2 | 2 |
