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Graphite blocks

Graphite is one of most popular materials for EDM electrodes.

Graphite advantage:

    • Hight temperature of destruction,
    • Low weight,
    • Easy machinability,
    • Higher speed of roughing at lower roughness of surface,
    • Low wear, especially at roughing,
    • Low C.T.E. (3 times lower than cooper). Guarantee of electrode stability when use.

Offer graphites ELLOR® MERSEN company for electrical discharge machining from a warehouse in Moscow suburbs:

grade density, g/c.cm flexural strenght, MPa specific electrical resistance mkOm*m grain size mkm hardness HS C.T.E. x 10-6 provided roughness, Ra standart blocks, mm
ELLOR® +18 1,76 45 13,7 12 55 5,2 4,5 308x620x1830
ELLOR® +25 1,82 55 12,2 9 65 5,9 1,6 308x620x1830
ELLOR® +30 1,84 65 8 8 80 6 1,12 308x620x1830
ELLOR® +50 1,86 76 12,7 5 80 6 0,56 305x305x915

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