Item  
Fire Clay bricks
Brand  

CN-4O

CN-42

ZGN-42

GN-42

 

N-1

N-2a

 
Application  

Ladle

Ladle

Blast Furnace

Blast Furnace

Blast Furnace

 General use   General use  
Type   Arc shape Arc shape G-shape G-shape        Handwork
properties                  
Al2O3,%   40 42 42 42 41 42 38  
Fe2O3,%     1.6 1.7 1.8      
P2O5,%         7      
Ref,℃ 1730 1750 1750 1750   1750 1730 1730
0.2Mpa RUL,℃ 1400 1430 1450 1430 1450 1400 1350 1300
PLC,%   1400℃,2h 1400℃,2h 1450℃,3h 1450℃,3h 1450℃,3h 1400℃,2h 1400℃,2h 1350℃,3h
0~-0.3 0~-0.3 0~-0.2 0~-0.3 -0.2~0 0.1~-0.4 0.1~-0.5 0.1~-0.5
AP,% 19 18 15 16 14 22 24 26
CCS,Mpa 34.3 39.2 58.8 49 60 29.4 24.5 14.7
Alkali Resistance%         15      
    小型钢包工作衬,中型钢包永久层            


Bricks for carbon bake furnace
     Item   common high B.D 仿FBA 仿BFD
Al2O3,%     42 42 42 42
Fe2O3,%   2 1.6 1.8
Ref,℃ 1730 1750 1750 1710
PLC,%
(1400℃,2h)

(1450℃,2h)

(1350℃,2h)
    +0.1~
-0.3
  +0.1~
-0.3
    +0.1~
-0.3
 
+0.1~
-0.3
     
MOR,Mpa
1200℃,300min
1350℃,300min


    10.0

4.0
9.0

3.0
High temp.creep,%
0.2Mpa,1280℃
25h
    0.4 0.45
liner expension rate 1000℃,%     0.65 0.6
AP,% 23 18 19 19
CCS,Mpa 29.6 39.2 29.6 39.2

Fire clay bricks for hot air furnace

Item   DN-1 DN-2 DN-3
Al2O3,% 38 40 42
Fe2O3,% 2 1.8 1.7
Ref,℃ 1710 1730 1750
RUL ,℃ 1350 1400 1420
CCS,
Mpa
25 35 40
BD,
G/cm3
2.0 2.1 2.2
AP,% 24 22 18
PLC,%   1350
℃,2h
+0.1~
-0.3
1350
℃,2h
+0.1~
-0.3
1350
℃,2h
+0.1~
-0.3
High temp.creep,%
(20-50h)
  1150℃
≤0.2
1150℃
≤0.2
1150℃
≤0.2
Application   Hot air furnace

Bricks for casting

Item   SN-40 KN-40 XN-40 ZN-40 JZN-40
Brick name   Head Nozzle Sleeve Well block Steel casting
Al2O3
,%
40 40 40 40 40
Ref,℃ 1710 1710 1710 1710 1710
RUL ,℃
1370 1370      
PLC ,%
(1450℃
,2h)
(1350℃
,2h)
           
    0~
-0.3
  0~
-0.3
AP,% 15~23 22 15~25 23 17~25

CCS Mpa
      19.6  
Application   Casting