UHP/HP/RP Graphite Electrode From Factory Directly

Usage :  Graphite  Electrodes  has good electrical properties and chemical resistance, which has high mechanical strength at high temperature and good seismic performance.It is good conductor of heat and electricity, widely used in electric arc furnace steelmaking, refining furnace, ferroalloy production, industrial silicon, phosphorus corundum and other submerged arc furnace with an electric arc furnace smelting and other high temperature furnace. Features : high physical volume density  super anti-press power low rate of electric resistance strong anti-oxidizes Specification Table : UHP Size and Tolerance Diameter (mm) Length (mm) Nominal diameter Actual diameter Nominal length Tolerance Short feet length mm inch max min mm mm max min 200 8 209 203     1800/2000/ 2200/2300 2400/2700       ±100       -100           -275     250 10 258 252 300 12 307 302 350 14 357 352 400 16 409 403 450 18 460 454 500 20 511 505 550 22 556 553 600 24 613 607 Physical and Chemical Index of UHP   Items   unit Diameter: 300-600mm Standard Test data Electrode Nipple Electrode Nipple Electrical resistance μΩm 5.5-6.0 5.0 5.0-5.8 4.5 Flexure strength Mpa 10.5 16 14-16 18-20 Modulus of elasticity GPa 14 18 12 14 Ash content % 0.2 0.2 0.2 0.2 Apparent density g/cm3 1.64-16.5 1.70-1.72 1.72-1.75 1.78 Factor of expansion(100-600℃) x10-6/℃ 1.5 1.4 1.3 1.2 Product Pictures :