Graphite blocks

Graphite blocks are used for lining the hearth bottoms of blast furnaces and other types of metallurgical furnaces.


 

Properties

Units of measurement

Typical values

Grade

        

DBG

DBG (M)

Bulk density

g/cm3

1.62

1.74

Real density

g/cm3

2.24

2.24

Open porosity

%

23

17

Total porosity

%

28

22

Compression strength

MPa

23

31 

Flexural strength

MPa

16

Ash content

%

0.3

0.3

Linear thermal expansion coefficient, (20-520) ºC

10-6 •К-1

2.5

2.6

Heat conductivity at  20 ºC

W/m•K

120

180

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

Dimensions of graphite blocks:

 

Maximum dimensions, mm

Width

from 200 to 400

Height

from 200 to 400

Length

to 1600

Конфигурация, размеры и допуски на геометрические размеры блоков по согласованным чертежам заказчика.

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

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

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