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Refractories　For　Ladle
 
 

 
 
　Purging　Plug　And　Seat　Brick　For　Ladle
Material
Al2O3-Cr2O3
Brand
SN-TQ1
SN-TZ1
Chemical％
Al2O3+Cr2O3
≥94
≥93
Bulk Density g/cm3
1500℃×3h
≥3.0
≥2.9
Cold Compressive Strength MPa
110℃×24h
≥30
≥45
1500℃×3h
≥80
≥80
Characteristic
Purging plug
Seat brick
 
　Castables　For　Ladles
Material
AL-MG
AL-MG
Corundum
Aluminium
Brand
SN-AMJ1
SN-AMJ2
SN-GJ1
SN-LJ70
Chemical Composition ％
Al2O3
≥90
≥65
≥90
≥70
MgO
≥2.5
≥10
-
-

Bulk Desity g/cm3　≥
110℃×24h
≥3.0
≥2.75
≥2.9
≥2.7
Cold Compressive Strength MPa
110℃×24h
≥30
≥30
≥30
≥30
1500℃×3h
≥80
≥70
≥80
≥70
Permanent liner change ％
1500℃×3h
0～+1.5
±1.0
±1.0
±1.0
Proportion of water during operation ％
4.8～5.3
5.5～6
5.3～5.8
6～6.5
Application area
Large-volume ladle lining，refining ladle lining.
medium-volume and samll-volume ladle lining
The bottom and Wrap up around the seat brick
Ladle safty lining
 
 
　Mg-C　Series　Bricks
Material
MgO-C
Brand
MT-14A
MT-14B
MT-14BD
MT-10A
MT-10B
MT-15AM
FMGC-15B
FMGC-15C
Apparent Porosity ％　≤
3
4
4
4
4
4
4
4
Bullk Desity g/cm3　≥
2.95
2.95
2.95
3
2.95
2.95
2.95
2.95
Cold Compressive Strength MPa　≥
40
40
40
40
40
40
40
40
Modulus of Rupture MPa　≥
12
8
8
8
7
14
12
13
Chemical Comosition ％
MgO
C
76
74
74
80
78
76
76
76
14
14
14
10
10
15
14
14
Application area
Slag zone
Bottom
Slag zone
 
Material
Al2O3-MgO
Al2O3-MgO-C
Brand
SG-1
SG-2
AMC
Apparent Porosity ％　≤
7
8
4
Bullk Desity g/cm3　≥
2.9
2.85
3.1
Cold Compressive Strength MPa　≥
50
45
50
Chemical Composition ％
MgO
14
13
72
Al2O3
63
62
13
C
9
8
8
Application area
Side wall of medium and small size ladle
Side wall & bottom
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