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550-600mm UHP graphite electrode
  • 550-600mm UHP graphite electrode
  • 550-600mm UHP graphite electrode
  • 550-600mm UHP graphite electrode
  • 550-600mm UHP graphite electrode
  • 550-600mm UHP graphite electrode
  • 550-600mm UHP graphite electrode

550-600mm UHP graphite electrode

Electric resistivity :  4.5-6.0

Bending strength:   >=10.0

Elastic Modulus:    <=14

Bulk density:       1.68-1.74

Ash:              <=0.3

CTE:              1.10-1.50


Ultra high power graphite electrode is a graphite electrode with allowable current density greater than 25A/cm2 . UHP graphite electrode mainly used in ultra-high power steelmaking electric arc furnace.


Physical and Chemical Index of Ultra high Power  Graphite Electrode
Item UnitUHP
300~500550~600700~800
Electric Resistivity ElectrodeuΩ.m4.6~6.24.5~6.04.5~5.8
Nipple3.5~5.03.4~4.53.3~4.3
Bending StrengthElectrodeMPa≥10.5≥10.0≥10.0
Nipple≥20.0≥22.0≥23.0
Modulus of ElasticityElectrodeGPa≤14.0≤14.0≤14.0
Nipple≤20.0≤22.0≤22.0
Bulk DensityElectrodeG/cm31.66~1.731.68~1.74
Nipple1.75~1.821.78~1.85
Ash ContentElectrode%≤0.3
Nipple
The Coefficient of Thermal Expansion(CTE)Electrode10-6/℃1.20~1.501.10~1.50
Nipple1.10~1.401.00~1.30





UHP Graphite Electrode Current Carrying Capacity
Norminal DiameterUHP
Current Carrying CapacityCurrent Density
inchmmAA/cm2
1230015000~2200020~30
1435020000~3000020~30
1640025000~4000019~30
1845032000~4500019~27
2050038000~5500018~27
2255045000~6500018~27
2460050000~7500018~26
2870070000~12000018~25
32800



Tolerance of Graphite Electrode Diameter and Length 
Tolerance of Graphite Electrode Diameter and Length(mm) 
Nominal DiameterActural diameterLength
inmmmaxminBlack surface min
123003073022991800/2000
143503583523491800/2000/2200
164004094034001800/2000/2200
184504604544511800/2000/2200
205005115055022000/2200/2400
225505625565532000/2200/2400/2700
246006136076042200/2400/2700/3000
287007147107072200/2400/2700/3000
298008168128092200/2400/2700/3000
Permissible Deviation of Graphite Electrode Length (mm)
Nominal LengthStandard DeviationShort Length Deviation
maxminmaxmin
1800+100-100-100-275
2000+100-100-100-275
2200+100-100-100-275
2400+100-100-100-275
2700+200-150-150-275
3000+200-150-150-300



Shandong Rongfu new material technology Co,Ltd.

Add.: Shouguang, Shandong, China.

Tel.: +86 536 5222 183

E-mail: info@rongfuindustry.com

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