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

