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UHP600mm Graphite Electrode


Technical properties of HP graphite electrode
1. Physical and chemical index
ltemunitNominal Diameter(mm)
YB/T4090-2000Typical Values
Industry Standard
200-400450-550300-400450-600
Electric ResistivityElectrodeμΩ·m≤7≤7.55.0-6.65.4-6.8
Nipple≤6.5≤6.54.0-5.04.0-5.0
Bending strengthElectrodeMpa≥10.5≥9.8≥11.0≥11.0
Nipple≥14.0≥14.0≥16.0≥16.0
Elastic modulusElectrodeGpa≤12.0≤12.0≤11.0≤11.0
Nipple≤16.0≤16.0≤15.0≤15.0
Bulk densityElectrodeg/cm3≥1.60≥1.601.63-1.701.63-1.70
Nipple≥1.70≥1.701.73-1.801.73-1.80
AshElectrode%≤0.3≤0.3≤0.3≤0.3
Nipple
CET     100-600°CElectrode10-6/°C≤2.4≤2.41.8-2.21.8-2.2
Nipple≤2.2≤2.21.5-1.81.5-1.8


Physical &chemical properties

Item Unit Nominal diameter,mm   mm
RPHPUHP
300-500550-800300-500550-700300-500550-600700-800
Specific
Resistance
ElectrodeμΩ·m7.5-8.67.5-8.85.5-6.85.5-7.04.6-6.24.5-6.04.5-5.8
Nipple4.5-6.04.0-5.53.5-5.03.4-4.53.3-4.3
Flexural strength≥ElectrodeΜРa7.56.410.08.510.510.0
Nipple16.018.020.724.0-30.0
Elastic modulus≤ElectrodeGРa9.013.014.0
Nipple14.016.020.022.022.0
Bulk density≥Electrodeg/cm31.54-1.621.62-1.701.66-1.731.68-1.74
Nipple1.70-1.781.72-1.801.75-1.821.80-1.84
CTE(100ºC~600ºC)≤Electrode10-6/ºC2.20-2.601.80-2.201.20-1.501.10-1.50
Nipple1.50-1.901.50-1.801.10-1.401.00-1.30
Ash≤ % 0.3


Physical &chemical properties

Item Unit Nominal diameter,mm   mm
RPHPUHP
300-500550-800300-500550-700300-500550-600700-800
Specific
Resistance
ElectrodeμΩ·m7.5-8.67.5-8.85.5-6.85.5-7.04.6-6.24.5-6.04.5-5.8
Nipple4.5-6.04.0-5.53.5-5.03.4-4.53.3-4.3
Flexural strength≥ElectrodeΜРa7.56.410.08.510.510.0
Nipple16.018.020.724.0-30.0
Elastic modulus≤ElectrodeGРa9.013.014.0
Nipple14.016.020.022.022.0
Bulk density≥Electrodeg/cm31.54-1.621.62-1.701.66-1.731.68-1.74
Nipple1.70-1.781.72-1.801.75-1.821.80-1.84
CTE(100ºC~600ºC)≤Electrode10-6/ºC2.20-2.601.80-2.201.20-1.501.10-1.50
Nipple1.50-1.901.50-1.801.10-1.401.00-1.30
Ash≤ % 0.3


公称直径(mm)

Nominal

Diameter

允许电流负荷(A  Operation Current (Ampere)

普通功率

石墨电极

RP Electrode

浸渍石墨电极

Impregnated

Electrode

高功率石墨电极

HP Electrode

高功率石墨

电极II

Type II HP

超高功率

石墨电极

UHP Electrode

75

10001400

13002000

——

——

——

100

15002400

18003000

——

——

——

130

22003400

28004200

——

——

——

150

30004500

40005000

——

——

——

200

50006900

48009000

55009000

——

——

250

700010000

800012000

800013000

——

——

300

1000013000

1100016000

1300017400

——

1500022000

350

1350018000

1500022000

1740024000

1900028000

2000030000

400

1800023500

2000028000

2100031000

2300035000

2500040000

450

2200027000

2400034000

2500040000

3000042000

3200045000

500

2500032000

2800042000

3000048000

3500050000

3800055000

550

2800036000

——

3400055000

——

4500065000

600

3500041000

——

3800061000

——

5000075000

700

3900048000

——

4500075000

——

60000100000


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