YUFENGREC® offer a complete range of high quality dry pressed Bottom Pouring Refractory Brick , ranging from 42% to 80% in alumina content. included Sleeve Brick, Runner Bricks ,End Runner brick with riser , Bottom Guide ,Central Brick(Spider) , Funel , Round and Square Tube, Tail brick ,well block , stopper etc ...
Key Feature
◆ High thermal shock resistance
◆ High hot strength
◆ High chemical stability at high temperatures
◆ Low sticking of refractory and steel after use
◆ Good dimensional accuracy
◆ Higher density
◆ High shape complexity possible
Key Feature
Solution for Flow Control for Cast Irons ,Alloyed Steel
Technical Data
Item | Unit | Bottom Pouring Hollowware Brick | ||||||
FC42 | FC45 | BX50 | BX55 | BX60 | BX70 | BX75 | ||
Typical Applications | Cast Irons ,Lower Alloyed Steel , | Low to medium alloyed steel | ||||||
Main Raw Material | Fireclay | Fireclay | Bauxite | Bauxite | Bauxite | Bauxite | Bauxite | |
Al2O3 | % | ≥42 | ≥45 | ≥50 | ≥55 | ≥60 | ≥70 | ≥75 |
Fe2O3 | % | ≤2.5 | ≤2.5 | ≤2.2 | ≤2.2 | ≤2.2 | 2.0 | 2.0 |
Bulk Density | g/cm3 | ≥2.05 | ≥2.10 | ≥2.15 | ≥2.15 | ≥2.20 | ≥2.30 | ≥2.35 |
Apparent Porosity | % | ≤24 | ≤26 | ≤26 | ≤27 | ≤28 | ≤28 | ≤27 |
Cold crushing strength | MPa | ≥25 | ≥25 | ≥25 | ≥25 | ≥30 | ≥30 | ≥35 |
Refractoriness Under Load 0.2 MPa | T0.5 /℃ | ≥1350 | ≥1380 | ≥1400 | ≥1400 | ≥1420 | ≥1450 | ≥1480 |
Item | Unit | Bottom Pouring Hollowware Brick | |||
A-62 | A-70 | M60 | M70 | ||
Typical Applications | High Alloyed Steel , long casting times | ||||
Main Raw Material | Andlusite | Andlusite | Mullite | Mullite | |
Al2O3 | % | ≥62 | ≥70 | ≥60 | ≥70 |
Fe2O3 | % | ≤1.90 | ≤1.80 | ≤1.80 | ≤1.60 |
Bulk Density | g/cm3 | ≥2.27 | ≥2.30 | ≥2.30 | ≥2.32 |
Apparent Porosity | % | ≤25 | ≤26 | ≤24 | ≤25 |
Cold crushing strength | MPa | ≥35 | ≥40 | ≥35 | ≥40 |
Refractoriness Under Load 0.2 MPa | T0.5 /℃ | ≥1500 | ≥1550 | ≥1600 | ≥1620 |
*The data are average results of tests under standard procedures and are subject to variation. Results should not be used for specification purposes or creating any contractual obligation. For more information on the safety applications or materials ,please refer to the work practices and material safety data sheet
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