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HP Graphite Electrode 500mm For Ladle Furnace

Mr. devin May 1, 2026

HP Graphite Electrode 500mm For Ladle Furnace


HP Graphite Electrode 500mm for Ladle Furnace

 

Graphite electrode raw materials use the domestic petroleum coke and pitch coke and imported Japanese needle coke .HP grade graphite electrode contain 30% imported needle coke. UHP graphite electrode contain more than 80% imported needle coke. They are widely used in electric arc furnace(EAF), ladle furnace(LF) for the production of alloy steel, metal and nonmetallic materials. They are characterized by low resistance, good electric and thermal conductivity, high resistance to oxidation and thermal shock, high mechanical strength, etc

 

RP/HP/UHP graphite electrodes in diameter 100mm-600mm, we have a complete calcining, crushing, forming, baking, impregnation, graphitization, machining production lines and advanced technology and complete quality test equipment for quality control.

 

Type: Graphite Electrode

Application: smelting industries , steel -making

Length: 1400-2800mm

Grade: UHP (Ultra High Power)

Resistance (μΩ.m): 5.5

Apparent Density (g/cm3): 1.69

Thermal Expansion: 1.4

Flexural Strength (N/m2): 12

ELASTIC MODULUS: 8.0

ASH: 0.3% Max

Raw Material: Needle Coke,Petroleum Coke

Nipple: 3TPI 4TPI

Style: UHP Ultra High Power Graphite Electrode

Color: Grey Black

Properties

Unit

UHP

HP

RP



300-600mm

650-800mm

300-800mm

300-800mm




Electric resistivity

Electrode

μΩm

4.8-5.8

4.6-5.8

5.8-6.6

7.8-8.8

Nipple

3.8-4.5

3.8-4.5

4.2-5.0

5.0-6.5



Flexural strength

Electrode

Mpa

10.0-14.0

10.0-14.0

10.0-13.0

7.0-12.0

Nipple

20.0-26.0

22.0-26.0

18.0-22.0

15.0-20.0



Young's modulus

Electrode

Gpa

9.0-13.0

10.0-14.0

8.0-12.0

7.0-9.3

Nipple

15.0-18.0

15.0-18.0

14.0-16.0

12.0-14.0



Bulk density

Electrode

≥g/cm3

1.68-1.74

1.70-1.74

1.62-1.66

1.53-1.56

Nipple

1.77-1.82

1.78-1.84

1.74-1.80

1.70-1.74



CTE(100-600ºC)

Electrode

x10-6/ºC

1.1-1.4

1.1-1.4

1.6-1.9

2.2-2.6

Nipple

0.9-1.2

0.9-1.2

1.1-1.4

2.0-2.5



Ash

0.3

0.3

0.3

0.5




 

GradePositionSpecific ResistivityBulk densityBending StrengthC.T.EElastic ModulusAsh
RPBody≤8.5 μΩ•m≥1.54g/cc≥8.5 Mpa≤2.4 x10-6/ºC≤9.3 Gpa≤0.4%
Nipple≤5.2 μΩ•m≥1.72g/cc≥17.0 Mpa≤2.3 x10-6/ºC≤14.0 Gpa≤0.4%
HPBody≤6.8 μΩ•m≥1.65g/cc≥11.0 Mpa≤2.3 x10-6/ºC≤12.0 Gpa≤0.3%
Nipple≤5.0 μΩ•m≥1.74g/cc≥18.0 Mpa≤2.1 x10-6/ºC≤16.0 Gpa≤0.2%
UHPBody≤6.0 μΩ•m≥1.66g/cc≥12.0 Mpa≤1.4 x10-6/ºC≤14.0 Gpa≤0.2%
Nipple≤4.0 μΩ•m≥1.77g/cc≥21.0 Mpa≤1.3 x10-6/ºC≤18.0 Gpa≤0.2%

 

Advantages of Graphite electrode:

* High density, high temperature resistance, high mechanical strength and strong chemical stability.
* The surface can be treated with anti-oxidation.
* Corrosion resistance, strong acid and alkali resistance.
* Excellent thermal shock resistance, electrical conductivity and thermal conductivity.
* Strong wear resistance and lubricating performance.
* Long service life.


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