Semigraphite blocks


Semigraphite blocks are used for lining blast furnaces and other types of metallurgical furnaces.


 


Properties

Units of measurement

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

Linear thermal expansion coefficient, (20-520) ºC

10-6 •К-1

3.4

3.4

Heat conductivity at  room temperature

W/mK

30

31


The above values are average values  and they do not constitute a specification.


Dimensions of semigraphite blocks:


 

Dimensions, mm

Width

from 400

to 700

Height

from 400

to 700

Length

As per customer's drawings


 


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


NOTE: At customer's request  PJSC "Ukrgrafit" will perform test preassembly of semigraphite blocks.


The chief expert in lining products for metallurgical facilities can be reached at hlopkov@ukrgrafit.com.ua.

 
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