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Description

Description of RP Graphite Electrode:

Our RP graphite electrode made of high-quality low ash materials, such as petroleum coke,needle coke and coal pitch.

From calcining,burdening,kneading,forming,baking to pressure impregnation,graphitization we pay attention to every detail to make it boutique.

We know machining is very important , so we precision machined with professional CNC machining to make sure high quality.

Such of the products own characteristics with low resistivity, good electrical conductivity,low ash,compact structure,good antioxidation and high mechanical strength.


Our Production Process of Graphite Electrode:

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Application of Our Graphite Electrode:

Graphite electrode is a major conduction material used in the electric smelting industry,which has the properties of superior electric conductivity, thermal conductivity, high mechanical strength, oxidation and corrosion resistance in high temperature, graphite electrode is typically used in EAF(for smelting steel), submerged-arc furnace(for producing ferrous alloy, pure silicon,phosphor,matte,calcium carbide, etc.),and electric resistance furnace,such as

graphitization furnace producing graphite electrodes,glass-melting furnace,electric furnaces producing carborundum etc.


Technique Data

Specifications and allowance

SPECIFICATIONS AND ALLOWANCE OF GRAPHITE ELECTRODES

Diameter(mm)

Length(mm)

Nominal Diameter

Actual Diameter

Nominal Length

Allowance

Mm

inch

Max

Min

Mm

Length

Max

Min


300

12

307

302

1600

1800

±100

-100

-275


350

14

357

352


400

16

409

403


450

18

460

454


500

20

511

505

1600

1800

2000

2200


550

22

556

553


600

24

613

607



Technical Properties

TECHNICAL PROPERTIES OF GRAPHITE ELECTRODES

ITEM

UNIT

DIA 300-600mm

STANDARD

SOLID SURVEY

ELECTRODE

NIPPLE

ELECTRODE

NIPPLE

RESISTIVITY,

μΩm

9.0-10.5

8.5

8.0-9.0

5.5

BENDING STRENGTH 

MPa

6.4-7.8

13

9.1-10

15

ELASTIC MODULUS,

GPa

9.3

14

9

13.7

ASH,

%

0.3

0.3

0.3

0.3

BULK DENSITY,

g/cm3

1.52

1.68

1.56-1.62

1.7

CTE(100-600),

X10-6/

2.9

2.8

2.4



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