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We need graphite electrodes diameter 350 mm type UHP with nipples of the 203T4N type as well as accessories for the butting together of the electrodes in accordance with the technical specifications hereafter:1-1 Electrodes :Apparent density higher then 1, 65 Gr/cm3 Open porosity less then 24% Resistivity less then 7, 5 Thermal conductivity with 20C: more then 160 W/m.KFlexural strength more then 10 N/mm2Average coefficient of dilation less then 2, 5 x10 power -6/KAshes: less then 0, 5%Diameter: 352 - 357 mmLength:1700 - 1875 mmMarking:Ring in white for the zone of the nipple1-2 - Biconical nipples :Type : 203 T 4 NThreading (net/inch) : 4Length (mm) : 254Diameter (mm) : 203, 2Joining : resin pellet 1-3 - Accessoires :Torque wrench : 1 pieceHalf nipple of transport: 4 pieceHook of butting together : 1 piece graphite, electrodes zinc
