Company info products packing conatct us

Refractory Products

 Hot Blast Stove and Alumina Bricks used for the Roof of Steelmaking Electric Furance

High Alumina Bricks for Hot Blast Stove and Low Creep-Deformation High Alumina Bricks
Name
Brand
Al2O3
%

Apparent Porosity()
Cold
Crushing strength(MPa)
Refracto-
riness()
0.2Mpa
Refractoriness
under load  
Premanent
linear change1450棬2h)%
Creep
%
High Alumina
Bricks
RL-65
65
24
49
1790
1500
+0.1
-0.4
1
RL-55
55
24
44
1770
1470
+0.1
-0.4
1
RL-48
48
24
39
1750
1420
(1450,2h)
+0.1
-0.4
1

Low Creep High Aulmina Bricks

RL-75
75
18
60
1
1
1
(1500,50h)0.8
RL-65
65
19
60
1
1
1
(1400,50h)0.8

Kyanite Bricks

1
75
19
80
1790
1580
Thermalshock
resistance,times20
(1450,50h)1
High Alumina Bricks used for the Roof of Steelmking Electric Furnace

ltems

lndex

DL-80 DL-75 DL-65
Al2O3,% > 80 75 65
Refractoriness > 1790 1790 1790
0.2Mpa
Refractoriness under load >
1550 1530 1520
Permanent linear change % 1550棬2h 0
-0.3
0
-0.4
--
1500,2h -- -- 0-0.4
Apparent Porosity < Bricks for Valut 19 19 22
Bricks for Haunch 21 21 23
Cold Crushing Stength MPa > 78.5 68.6 58.8
Thermal Shock Resistance, times 1 1

Note:Provided data ,is not taken as basis of examination.

©2005 Orientmineral