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Steel Ladle Castable Refractory

Brand

Properties

KT-AM1

(Al2O3-MgO)

KT-AM2

(WA,Spinel)

KT-AM3

(Al2O3-MgO)

KT-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
-
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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