Graphite blocks and graphite rods

Graphite blocks and graphite rods can be supplied in both extruded quality as well as die-pressed and isostatically pressed qualities.

  • Graphite blocks with dimensions up to
    500 x 1000 x 2800 mm
  • Graphite rods with diameters from
    3 to 900 mm, also with stamped-in copper leads
The range of the main parameters:
Raw density1,56 - 1,85 g/cm3
Ash< 0,1 - < 0,5 %
Coefficient of thermal expansion1,3 - 5,5 10-6/K
Thermal conductivity30 - 130 W/mK
Specific electrical resistivity4,5 - 60 Ohm per mm2/m
Compressive strength25 - 125 N/mm2
Bending strength7 - 56 N/mm2
Max. grain size10 - < 0,1 mm

Further information on processing options, special sizes, and impregnation treatments is available on request.

THIELMANN GRAPHITE GmbH & Co. KG · Alzeyer Str. 36 · 55459 Grolsheim¬†· Tel.: +49 (0) 6727 / 9312-0¬†· office@thielmann-graphite.de