Basic Info.
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Model NO.
UHP250-700
Ash
0.3% Max
Bending Strength
Min11
Nipple
3tpl.4tpl
Application
Eaf, Lf
Type
Graphite Electrodes
Carbon Content
High-Carbon
Grade
UHP
Forming Way
Extruded Graphite
Crystal Morphology
Compact Crystalline Graphite
Composition
Needle Coke
Trademark
Molong Qinyuan
Transport Package
Wooden Pallet
Specification
100-600
For more Uhp, Hp, Rp Grade Graphite Electrodes Manufacturerinformation, please contact us. We will provide professional answers.
Origin
China
HS Code
Product Description
UHP RP HP IP Graphite Lf Eaf Furnace Materials Electrode
Graphite Electrode
Artificial graphite electrode is made of high-quality low ash materials, such as petroleum coke, needle coke
and coal pitch.after calcining,burdening,kneading,forming,baking and pressure impregnation, graphitization
and then precision machined with professional CNC machining.such of the products own characteristics with
low resistivity, good electrical conductivity ,low ash, compact structure,good anti oxidation and high mechanical strength, so it is the best conductive material for electric arc furnace and smelting furnace.
Notes of the use of graphite electrode1.The electrode holder should be held in the place beyond the security line of the top electrode;otherwise, the electrode would be easily broken.the contact surface between the holder and the electrode should be cleaned up regularly to maintain a good contacting,the cooling jacket of the holder shall be avoided from water leakage.
2.Identify the reasons it there is gap in the electrode junction,do not use them until the gap is eliminated.
3.If there is falling off of nipple bolt when connecting electrodes,it is necessary to complete the nipple bolt.
4.The application of electrode should avoid of tilting operation, particularly , the gr.oup of connected electrodes should not be put horizontally so as to prevent from breaking.
5.When charging materials to the furnace,the bulk materials should be charged to the place of the furnace bottom,so as to minimize the impact of the large furnace materials on the electrodes.
6.The large pieces of insulation materials should be avoided of stacking on the bottom of the electrodes when smelting .so as to prevent from affecting the electrode use,or even broken.
7.Avoid of collapsing the furnace lid when rising or dropping the electrodes,which may result in electrode damage.
8.It is necessary to prevent the steel slag from splashing to the threads of the electrodes or nipple stored in the smelting site,which may damage the precision of the threads.
Graphite electrode size detail: RP / HP / SHP / UHP Graphite electrode Standard sizes of electrode Specification ( Inch ) Allow Diamater (mm) Allowable Length (mm ) Nominal Diamater Max MinNominal Length Max Min 6 150 154 151 8 200 205 200 9 225 230 225 10 250 256 251 12 300 307 302 350 357 352 400 409 403 18 450 460 454 20 500 511 505 22 550 562 556 24 600 613 607 700 714 708
Physical and chemical indexItemUnitRPHPUHPΦ300-500Φ550-800Φ300-500Φ550-700Φ300-500Φ550-600Φ700-800Electric ResistivityElectrodeμΩM7.5-8.67.5-8.85.5-6.85.5-7.04.6-6.24.5-6.04.5-5.8Nipple4.5-6.04.0-5.53.5-5.03.4-4.53.3-4.3Bending strengthElectrodeMPa≥7.5≥6.5≥10.0≥8.5≥10.5≥10.0≥10.0Nipple≥16.0≥18.0≥20.0≥22.0≥23.0Elastic modulusElectrodeGpa&#;9.0&#;13.0&#;14.0&#;14.0&#;14.0Nipple&#;13.0&#;15.0&#;20.0&#;22.0&#;22.0Bulk densityElectrodeg/cm³1.54-1.621.62-1.701.66-1.731.68-1.74Nipple1.70-1.781.72-1.801.75-1.821.78-1.85AshElectrode%&#;0.3NippleCTE(100-600ºC)Electrode10-6/ ºC2.20-2.601.80-2.201.20-1.501.10-1.50Nipple1.50-1.901.50-1.801.10-1.401.00-1.30
Recommended current carrying capacityNominal diameter(mm)RPHPUHPCurrent carrying capacityCurrent densityCurrent carrying capacityCurrent densityCurrent carrying capacityCurrent densityinmmAA/cm2AA/cm2AA/cm--------------------------------------------------10----------------
Tolerances of electrode diameters and lengths(MM)Nominal diameterActual diameterLengthinmmmaxminBlack surface min/////////////////////
ProductionPacking & Delivery
Standard packing,packing with wooden pallet,safety for shipping.
Artificial graphite electrode is made of high-quality low ash materials, such as petroleum coke, needle cokeand coal pitch.after calcining,burdening,kneading,forming,baking and pressure impregnation, graphitizationand then precision machined with professional CNC machining.such of the products own characteristics withlow resistivity, good electrical conductivity ,low ash, compact structure,good anti oxidation and high mechanical strength, so it is the best conductive material for electric arc furnace and smelting furnace.1.The electrode holder should be held in the place beyond the security line of the top electrode;otherwise, the electrode would be easily broken.the contact surface between the holder and the electrode should be cleaned up regularly to maintain a good contacting,the cooling jacket of the holder shall be avoided from water leakage.2.Identify the reasons it there is gap in the electrode junction,do not use them until the gap is eliminated.3.If there is falling off of nipple bolt when connecting electrodes,it is necessary to complete the nipple bolt.4.The application of electrode should avoid of tilting operation, particularly , the gr.oup of connected electrodes should not be put horizontally so as to prevent from breaking.5.When charging materials to the furnace,the bulk materials should be charged to the place of the furnace bottom,so as to minimize the impact of the large furnace materials on the electrodes.6.The large pieces of insulation materials should be avoided of stacking on the bottom of the electrodes when smelting .so as to prevent from affecting the electrode use,or even broken.7.Avoid of collapsing the furnace lid when rising or dropping the electrodes,which may result in electrode damage.8.It is necessary to prevent the steel slag from splashing to the threads of the electrodes or nipple stored in the smelting site,which may damage the precision of the threads.Graphite electrode size detail:
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