Impregnated Graphite Electrode Dia.250-350mm(Inch 10″- 14″)
Products Quick Details
Product Name: Impregnated Graphite Electrode
Place of Origin: Hebei, China
Brand Name: Rubang Carbon
Model Number: RB-IGP-3
Type: Graphite Electrode
Nipple: 3TPI/4TPI
Raw Material: Needle Petroleum Coke
Application: EAF or LF of Steel Making or Smelting Steel
Length: 1800~2400mm
Superiority: Low Consumption Rate
Color: Black
Grade: Impregnated Grade A/B
Chemical Composition:
Fixed Carbon 99%Min Volatile Matter 0.3%Max. Ash 0.3%Max.
Physical Characteristics:
Resistance (μΩ.m): 5.5 – 7
Apparent Density (g/cm³ ): 1.60 - 1.75 g/cm3
Thermal Expansion: 1.5 ~ 2.5 X10-6 / (100-600℃)
Flexural Strength (Mpa): 8-12 Mpa
Elastic Modulus(GPa): .8.50~15.50 Current
Carrying Capacity: 10-16KA
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ImpregnatedGraphite Electrodes-Physical and Chemical Index |
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Description |
Type |
Unit |
NominalDiameter (mm) |
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Ø75-130 |
Ø150-200 |
Ø250-350 |
Ø400 - 500 |
Ø550–600 |
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Grade |
Grade |
Grade |
Grade |
Electrode for Mine Heat Furnace |
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Excellent |
First |
Excellent |
First |
Excellent |
First |
Excellent |
First |
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A |
B |
A |
B |
A |
B |
A |
B |
Mineral melting |
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Electrical Resistance(≤) |
Electrode |
μΩ.m |
6.5 |
7.0 |
7.0 |
7.5 |
7.0 |
7.5 |
7.0 |
7.5 |
7.5 |
|
Nipple |
6.0 |
6.0 |
5.8 |
5.5 |
5.5 |
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Tensile Strength(≥) |
Electrode |
Mpa |
12.0 |
11.0 |
10.0 |
10.0 |
10.0 |
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Nipple |
14.0 |
14.0 |
16.0 |
16.0 |
16.0 |
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Young’s Module(≤) |
Electrode |
Gpa |
12.0 |
12.0 |
12.0 |
14.0 |
14.0 |
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Nipple |
16.0 |
16.0 |
16.0 |
18.0 |
18.0 |
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Bulk Density(≥) |
Electrode |
g/cm3 |
1.64 |
1.64 |
1.62 |
1.62 |
1.62 |
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Nipple |
1.70 |
1.70 |
1.70 |
1.70 |
1.70 |
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CTE (≤) |
Electrode |
X 10-6/℃ |
2.2 |
2.2 |
2.2 |
2.2 |
2.2 |
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Nipple |
2.2 |
2.2 |
2.2 |
1.6 |
1.6 |
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Ash (≥) |
- |
% |
0.3 |
0.3 |
0.3 |
0.3 |
0.3 |
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| Note:The Ash and Thermal Expansion coefficientare parameter indexes. | |||||||||||
Products Processing:
Graphite Electrode is made of high-quality low ash materials, such as petroleum coke, needle coke and coal pitch.
After Raw Material calcining, crushing, screening, burden, kneading, forming, baking, impregnation, graphitization and then precision machined with professional CNC machining.
such of the products own characteristics with low resistivity, good electrical conductivity ,low ash, compact structure, good anti oxidation and high mechanical strength, so it is the best conductive material for electric arc furnace and smelting furnace.
Applications:
1. For Ladle furnaces
2. For Electric arc furnace steel making
3. For Yellow phosphorus furnace
4. Apply to Industrial silicon furnace or melting copper.
5. Apply to Refine steel in ladle furnaces and in other smelting processes
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