Main Data

See also

Bricks for coke oven batteries lining

Bricks for coke oven batteries lining

Technical characteristics

 Rate for grade
  ShK-28 ShK-35 ShK-37
 ShK-39 ShK-41
Spec. 1543-004-73399783-2011

Mass fraction, %:

Al2O3, minimum
Fe2O3, maximum

 

28
n/a

 

35
n/a

 

37
3,5

 

39
2,5

 

41
1,5
Compressive strength, N/mm2, minimum 12 (15*) 20 (25*) 20 (30,35,40*) 40 70
Open porosity, %, maximum 28 20 withing limits of 12-22 18 12

Residual variation of dimensions when heating, %, maximum at:

1350 °C
1450 °C

 


0,6
-

 


0,4
-

 


0,4
-

 


0,3
-

 


-
0,2
Refractoriness, °С, minimum 1750 1750 1750 1750 1750
Thermal shock resistance, heat cycles,minimum n/a 2 n/a n/a n/a



* The rate of compressive strength is specified depending on the laying point.

Form and dimensions of bricks are in accordance with GOST 8691-73 and customer’s drawings.