Semigraphite blocks are intended for lining furnaces and other types of metallurgical furnaces.
Technical characteristics
Units of measurements
Typical values
Grade
DBPG
DBPG (M)
Bulk density
g/cm3
1,60
1,72
Open porosity
%
20
13
Compression strength
MPa
28
40
Ash content
%
0,6
0,5
Temperature coefficient of linear expansion, (20-520)°C
10-6 K-1
3,4
3,4
Heat conductivity at a room temperature
                          W/m K               30                                 31           
Indicated values are given as average values of properties and they do not constitute specification.
 
Dimensions of blocks:
Maximum dimensions, mm
Width
400
550
Height
400
550
Length

According to customer’sdrawings

Configuration, dimensions and tolerances on geometrical dimensions of blocks are under approved customer’s drawings.