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Graphite Electrode

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Product Description Graphite Electrodes are made from Petroleum Coke and Needle Coke, using Coal Tar Pitch as agglutinant, produced through the process of calcining, mixing, kneading, compressing, roasting, graphitization and machining, etc.It have the properties of superior electric conductivity and chemical stability, high mechanical strength, less impurity, seismic performance in high temperature. Graphite Electrodes are mainly used for steel-making in electric furnaces, mineral hot furnaces and electric resistance furnaces.Graphite Electrodes conduct electric current into the furnace. Electric current produces arc in the smelting district, when the temperature increases to about 2000°C, smelting begins. Our series of Graphite Electrodes are applicable to the common furnaces and high-power furnaces with high voltage and short arc.


Graphite Electrodes are classified into three classes.

RP grade:

mainly used in common power electric ovens for smelting steel, smelting silicon and smelting yellow phosphorus;  

HP grade:

mainly used in high power electric ovens for smelting steel;

UHP grade:

mainly used in ultra-high-power electric ovens for smelting steel.

The models of Graphite Electrode are as following:

ITEM

GRAPHITE ELECTRODE

 GRADE

REGULAR POWER

HIGH POWER

ULTRA HIGH POWER

DIAMETER

300-600mm

150-600mm

300-700MMmm

LENGTH

1800MM±100mm

1800-2400mm

1800-2700mm

BULK DENSITY≥

1.52g/cm3 

1.6g/cm3

1.65g/cm3

RESISTIVITY≤

9.0-10.5μΩ•m

7.0-7.5μΩ•m

6.2-6.5μΩ•m

BENDING STRENGTH≥

6.4-6.8MPa

9.8-10.5MPa

10.5MPa

ELASTIC MODULUS≤

9.3GPa

12GPa

14GPa

ASH≤

0.5

0.3

0.3

CTE (100-600°)≤

2.9*10-6 /°C

2.4*10-6 /°C

1.5*10-6 /°C

PACKING

According to the customers’ request, packed in International-standard boxes

 

ITEM

GRAPHITE ELECTRODE NIPPLES

 GRADE

REGULAR POWER

HIGH POWER

ULTRA HIGH POWER

DIAMETER

300-600mm

150-600mm

300-700mm

LENGTH

1800MM±100mm

1800-2400mm

1800-2700mm

BULK DENSITY≥

1.65g/cm3 

1.72g/cm3

1.78g/cm3

RESISTIVITY≤

8.5μΩ•m

6.3μΩ•m

4.5μΩ•m

BENDING STRENGTH≥

13MPa

10MPa

16MPa

ELASTIC MODULUS≤

14GPa

16GPa

20GPa

ASH≤

0.3

0.3

0.3

CTE (100-600°)≤

2.8*10-6 /°C

2.2*10-6 /°C

1.3*10-6 /°C

PACKING

According to the customers’ request, packed in International-standard boxes

 

CINA RESOURCE LTD is a producer of graphite electrode in China. We have RP, HP, and UHP, SUHP, etc.

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