Manufactur standard Carbon Power Graphite Electrodes - 600mm high power graphite electrode – Hexi

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Manufactur standard Carbon Power Graphite Electrodes - 600mm high power graphite electrode – Hexi Detail:

Grade:High Power
Applicable furnace: EAF
Length: 2100mm/2400mm/2700mm
Nipple:3TPI/4TPI
Payment: T/T, L/C
Shipping Term: EXW/FOB/CIF
MOQ:10TON

Typical Properties of Graphite Electrode

 

 

 

 

 

Properties

Position

Unit

UHP 

HP 

 

300-600mm

650-800mm

300-800mm

 

 

 

Specific Resistance

Body

μΩm

4.8-5.8

4.6-5.8

5.8-6.6

Nipple

3.8-4.5

3.8-4.5

4.2-5.0

 

 

Bending Strength

Body

Mpa

10.0-14.0

10.0-14.0

10.0-13.0

Nipple

20.0-26.0

20.0-26.0

18.0-22.0

 

 

Young’s Modulus

Body

Gpa

9.0-13.0

10.0-14.0

8.0-12.0

Nipple

15.0-18.0

15.0-18.0

14.0-16.0

 

 

Bulk Density

Body

g/cm3

1.68-1.74

1.70-1.74

1.62-1.66

Nipple

1.77-1.82

1.78-1.84

1.74-1.80

 

 

CTE(100-600°C)

Body

×10 -6/゚C

1.1-1.4

1.1-1.4

1.6-1.9

Nipple

0.9-1.2

0.9-1.2

1.1-1.4

 

 

Ash Content

%

0.3

0.3

0.3

 

Compared with copper, graphite has advantages such as less consumption, faster discharge rate, lighter weight and smaller thermal expansion coefficient, so it gradually replaces copper electrode to become the mainstream of discharge processing materials. According to the capacity of the electric furnace, graphite electrodes of different diameters are used. For continuous use of the electrodes, the electrodes are connected by the threaded joint of the electrodes. The graphite electrodes used in steel making account for about 70-80% of the total consumption of the graphite electrodes. 

Graphite electrode consumption and breakage is common in practice. What causes these? Here is the analysis for reference.

Factors

Body Breakage

Nipple Breakage

Loosening

Spalling

Electtode Loss

Oxidation

Electorde   Consumption

Non-conductors   in charge

 

 

 

 

 

Heavy scrap in   charge

 

 

 

 

 

Transformer   overcapacity

 

Three phase   imbalance

 

 

Phase Rotation

 

 

 

 

 

Excessive   Vibration

 

 

 

 

  Clamper Pressure 

 

 

 

 

 

Roof electrode socket not align with electrode

 

 

 

 

 

Cooling water sprayed on electrodes above roof

 

 

 

 

 

 

Scrap   preheating

 

 

 

 

 

 

Secondary   voltage too high

 

 

Secondary   current too high

 

Power too   low 

 

 

Oil   consumption too high

 

 

 

 

Oxygen   Consumption too high

 

 

 

 

long time   heating

 

 

 

 

 

 

Electrode   dipping

 

 

 

 

 

Dirty   connection part

 

 

 

 

 

Poor maintenance for lift plugs and tightening tools

 

 

 

 

 

Insufficient   connection

 

 

 

 

 

◆ Stands for being good factors

△ Stands for being bad factors

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Manufactur standard Carbon Power Graphite Electrodes - 600mm high power graphite electrode  – Hexi detail pictures


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Our merchandise are commonly recognized and reliable by customers and can meet constantly developing economic and social desires for Manufactur standard Carbon Power Graphite Electrodes - 600mm high power graphite electrode – Hexi, The product will supply to all over the world, such as: Sydney, Birmingham, Jeddah, We can meet the various needs of customers at home and abroad. We welcome new and old customers to come to consult & negotiate with us. Your satisfaction is our motivation! Let us work together to write a brilliant new chapter!
  • The product manager is a very hot and professional person, we have a pleasant conversation, and finally we reached a consensus agreement.
    5 Stars By Betsy from Portugal - 2018.06.26 19:27
    The factory technical staff not only have high level of technology, their English level is also very good, this is a great help to technology communication.
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