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Products >> Graphite Electrodes >> UHP Graphite Electrode

  • UHP 550mm Graphite Electrode
UHP 550mm Graphite Electrode

UHP 550mm Graphite Electrode

UHP Graphite Electrode 550mm (22 inch)
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Graphite electrode is one of the most important metallurgical products, mainly used as conductive material in electric arc furnace metallurgy production. UHP graphite electrodes are mainly used for steelmaking high-power and ultra-high power electric furnaces.

 

Graphite electrode Dimension
Nominal Diameter: 550mm (min 556mm, max 562mm)
Nominal Length: 2400 mm (+75mm,-125mm)
Nipple:  298T4N
Nipple Diameter: 298.45 mm
Nipple Length: 355.6 mm
Typical Weight: Electrodes and Nipple Approx.1005 kg

Physical and Chemical Parameters of UHP550mm Graphite Electrode

 

Index

 

Unit

YB/T4090 Industry Standard

Typical Value

 

LSR≤

Electrode

 

μΩ.M

4.5-5.8

Nipple

3.4-4.5

Flexural Strength ≥

Electrode

 

Mpa

6.0-8.0

Nipple

15.0-24.0

Elastic Modulus ≤

Electrode

 

Gpa

9.0-16.0

Nipple

12.0-18.0

Bulk Density ≥

Electrode

 

g/cm³

1.65-1.80

Nipple

1.76-1.86

CTE ≤

Electrode

 

10-6/

1.1

Nipple

0.9

Ash ≤

%

0.3

Current Carrying Capacity

A

EAF 45000-68000

LF  45000-69000

 

Advantage

● Withstand large currents, high discharge rate.
● Good dimension stability, not easy to deform.
● Resistant to cracking & spalling.
● High resistance to oxidation and thermal shock.
● High mechanical strength, low electrical resistance.
● High machining accuracy, good surface finishing.


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