Graphite electrodes and nipples Intended for arc steel, refining, ferroalloy and ore-smelting furnaces graphite electrode of eg grade are used in steel, refining, ferroalloy and submerged-arc furnaces (rp) Technical characteristics Units of measurements Typical values* Diameter Mm 75-150 200-350 400-600 700 Bulk density G/cm3 1.62 1.62 1.61 1.58 Ash impurities % 0, 3 0, 3 0, 3 0, 3 Specific electrical resistance ̵îhm·m 7.0 7.5 8.0 8.5 Thermal coefficient of linear Expansion, õ10-6 (20-520)0ñ 1/0ñ 2.4 2.4 2.4 2.5 Flexural strength Ìpà 11 11 9 7 Modulus of elasticity (young`s) Gpa 8 7 7 6.5 According to customer requirements