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RP Graphite Electrode

Raw materials are mixed and then molded. Heat treatment is then applied in the baking and graphitization process to form the finished product.

  • Product Details

Physical & Chemical Properties of RP Graphite Electrodes

Items

Classification

Unit

Nominal Diameter (mm)

75-130

150-225

250-300

350-450

500-800

Grade A

Grade B

Grade A

Grade B

Grade A

Grade B

Grade A

Grade B

Grade A

Grade B

Resistivity

Electrode

μΩm

8.5

10.0

9.0

10.5

9.0

10.5

9.0

10.5

9.0

10.5

Nipple

8.0

8.0

8.0

8.0

8.0

Bending Strength

Electrode

Mpa

10.0

10.0

8.0

7.0

6.5

Nipple

15.0

15.0

15.0

15.0

15.0

Young’s Modulus

Electrode

Gpa

9.3

9.3

9.3

9.3

9.3

Nipple

14.0

14.0

14.0

14.0

14.0

Bulk Density

Electrode

g/cm3

1.58

1.53

1.53

1.53

1.52

Nipple

1.70

1.70

1.70

1.70

1.70

CTE (100℃-600℃)

Electrode

×10-6/℃

2.9

2.9

2.9

2.9

2.9

Nipple

2.7

2.7

2.8

2.8

2.8

Ash Content


%

0.5

0.5

0.5

0.5

0.5

Note: Ash Content is only for reference. 


Recommended current load of RP Graphite Electrodes

Grade

Nominal Dia.

Allowable current  A

Current density  A/cm2

RP electrode

200mm

5006900

1521

250mm

700010000

1420

300mm

1000013000

1418

350mm

1350018000

1418

400mm

1800023500

1418

450mm

2200027000

1317

500mm

2500032000

1316

550mm

2800034000

1214

600mm

3000036000

1113

650mm

3200039000

1012

700mm

3400042000

911

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Cathode block, Pre-baked Anode Block

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