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Regular power graphite electrodes

Regular power graphite electrodes are mainly applied to electric arc furnaces for steel-making. We are an industry-leading manufacturer that integrates manufacture, marketing, export and supply of graphite electrodes in extensive applications. Our products have high performance of electrical conductivity and especially under harsh smelting conditions. 

Product characteristics 

  • Superior graphite electrodes 

  • Specialized for electric arc furnace steel-making 

  • Competitive price 

  • Free consultation for installation 

  • Whole-process after-sales follow-up 

  • Unconditional return in case of quality problem 


Detailed specification:

The following are the specific parameters of common graphite electrode products.

Technical index of regular power graphite electrodes

The bulk density is not lower than 

Technical index of regular power graphite electrodes
Items     Unit     Electrode diameter 300-600mm 
Standard Measured 
Electrode Contact Electrode Contact 
he resistivity is not higher than μΩm9.0-10.58.58.0-9.07.5
The flexural strength is not lower than MPa6.4-7.8139.0-1015
he elasticity modulus is not higher than GPa9.314913.7
The ash content is not higher than %0.50.30.50.3
g/cm31.521.681.56-1.621.7
The heat expansion coefficient is not higher than ×10-6/℃2.92.82.42.2

Specification & allowable deviation of regular power graphite electrodes

Specification & allowable deviation of regular power graphite electrodes 
Type Dimeter(mm)Length(mm)
Nominal diameter Nominal length Allowable deviation 
(mm)(in)mmShort ruler length 
Small 752.951200/1400±100
863.38±100
1003.93±100
1305.11±100
1505.91600/1800±100
2007.87±100
2258.85±100
2509.84±100
Regular 300121600/1800/2000/2200±100
35014±100
40016±100
45018±100
50020±100
55022±100
60024±100
Large 78030.72000±100
80031.49±100
85033.46±100
96037.79±100
120047.24±100

Allowable current capacity of regular power graphite electrodes

Allowable current capacity of regular power graphite electrodes 

Nominal diameter Allowable current capacity (A)Current density (A/cm2
(mm)(in)
3001210000-1300014-18
3501413500-1800014-18
4001618000-2350014-18
4501822000-2700013-17
5002025000-3200013-16
6002430000-3600012-15

Ordinary power graphite electrode surface quality

1、There are no more than two defects or holes on the surface of the electrode and the size shall not exceed the value in the following table. 

2、There is no transverse crack or longitudinal crack with width of 0.3-1.0 on the surface of the electrode. The length of longitudinal crack is not more than 5% of the perimeter of the electrode. The crack with width less than 0.3mm shall be ignored.

3、The width of black skin area on the surface of the electrode is less than 1/10 of the perimeter of the electrode and its length is less than 1/3 of the length of the electrode. 

Specification 

Defect size 

Nominal diameter (mm)
300-400450-600
Diameter 20-40(<20 Not counting)30-50(<30 Not counting)
Depth 5-10(<5 Not counting)10-15(<10 Not counting)

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