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Steel Ladle Castable Refractor
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Properties |
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| Brand Properties |
HR-AM1 (Al2O3-MgO) |
HR-AM2 (WA,Spinel) |
HR-AM3 (Al2O3-MgO) |
HR-AM4 (High alumina and Spinel) |
| Chemical Composition (%) |
Al2O3 |
91.0 |
92.0 |
90.0 |
Al2O3 > 70 |
| MgO |
6.0 |
5.0 |
5.0 |
MgO >11,SiO2 < 9 |
| CaO |
| Linear changing after burnt at 1600¡ãC¡Á3h (%) |
0.9 |
0-1.0 |
0.92 |
0.8-1.0 |
| Bulk density (g/cm3) |
110¡ãC¡Á24h |
3.05 |
3.10 |
3.08 |
> 2.90 |
| 1600¡ãC¡Á3h |
3.0 |
3.05 |
3.02 |
> 2.80 |
| Bending Strenght(MPa) |
110¡ãC¡Á24h |
8.2 |
10.0 |
9.5 |
> 9.0 |
| 1600¡ãC¡Á3h |
28.5 |
30.5 |
28.2 |
> 8.0 |
| Compressive Strength(MPa) |
110¡ãC¡Á24h |
40 |
39.8 |
54 |
> 60 |
| 1600¡ãC¡Á3h |
129 |
96 |
> 85 |
> 60 |
| Refractory( ¡ãC ) |
1820 |
1800 |
1820 |
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| Usage |
The wall&Bottom of Medium-size ladle.Use condition:RH and LF/VD secondary steel making processes ladle. |
Continuous casting ladle |
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