RP Graphite Electrodes

Resistance:6.6-9.0
Density:>1.53
CTE:1.4-2.2
Young Modulue:9.0-13.0
Rupture Modulus:11.0-15.0

Product Information

RP Graphite Electrodes Introduction

Our graphite electrode products have strict consumption control, low resistivity, low ash content, high temperature strength, low thermal expansion coefficient, good thermal conductivity and electrical conductivity, compact structure, high oxidation resistance, high mechanical stability and other significant advantages. Its content of UHP needle coke is up to 80%, and raw materials are imported from Japan and South Korea. The UHP graphite electrodes suit the operating conditions of modern arc furnaces and those main properties are of decisive importance for obtaining economical consumption rates.

RP/HP/UHP Graphite Electrodes Technical Main Parameter
Items RP HP UHP
Φ200-φ300 Φ350-φ600 Φ200-φ400 Φ450-φ600 Φ250-φ400 Φ450-φ600
Resistivity (uΩm)max Electrode 8.5 6.5 5.5
Nipple 6.5 5.5 4.5
Bulk Density (g/cm³)min Electrode 1.53 1.52 1.62 1.60 1.67 1.66
Nipple 1.69 1.73 1.75
Rupture Strength (Gpa)min Electrode 8.5 7.0 10.5 9.8 11
Nipple 15.0 16.0 20.0
Youngs Modulus (Gpa)max Electrode 9.3 12.0 14.0
Nipple 14.0 16.0 18.0
Ash (%)max Electrode 0.5 0.3 0.3
Nipple 0.5 0.3 0.3
CTE (100-600℃)max Electrode 2.9 2.4 1.5
Nipple 2.8 2.2 1.4

 
RP/HP/UHP Graphite Electrodes Technical Model Parameter
Diameter RP HP UHP
mm Current Load (A) Current Density(A/cm³) Current Load (A) Current Density(A/cm³) Current Load (A) Current Density(A/cm³)
200 5000-6900 15-21 5500-9000 18-25
 
 
225 6100-8600 15-21 6500-10000 18-25
 
 
250 7000-10000 14-20 8000-13000 18-25 8100-12200 20-30
300 10000-13000 14-18 13000-17400 17-24 15000-22000 20-30
350 13500-18000 14-18 17400-24000 17-24 20000-30000 20-30
400 18000-23500 14-18 21000-31000 16-24 25000-40000 19-30
450 22000-27000 13-17 25000-40000 15-24 32000-45000 19-27
500 25000-32000 13-16 30000-48000 15-24 38000-55000 18-27
550 32000-40000 13-16 37000-57000 15-23 42000-66000 17-26
600 38000-47000 13-16 44000-67000 15-23 49000-76000 17-26

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