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Graphite blocks are intended for lining hearth bottoms of blast furnace and other types of metallurgical furnaces.
| Technical characteristics | Units of measurements |
Typical values* | |
| Grade | DBG | DBG (U) | |
| Bulk density | g/sm3 | 1.62 | 1.74 |
| True density | g/sm3 | 2.24 | 2.24 |
| Open porosity | % | 23 | 17 |
| Total porosity | % | 28 | 22 |
| Compression strength | MPа | 23 | 31 |
| Flexural strength | МPа | 9 | 16 |
| Ash content | % | 0.3 | 0.3 |
| Temperature coefficient of linear expansion, (20-520)0C |
10-6 •K-1 | 2.5 | 2.6 |
| Heat conductivity at 200C | W/m·K | 120 | 180 |
Indicated values are given as average values of properties and they do not constitute specification. Dimensions of graphite blocks :
| Maximum dimensions, mm | ||
| Width | 400 | |
| Height | 400 | |
| Length | 1600 (rectangular) 1600 (trapezoid) |
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Configuration, dimensions and tolerances on geometrical dimensions of blocks are under approved customer’s drawings.
NOTE: On demand of the customer the test assembly of carbon and graphite blocks can be performed at PJSC "Ukrgrafit".
Chief expert in lining products for metallurgical facilities sumskoy@ukrgrafit.com.ua.