factory Outlets for Purified Graphite Electrodes - UHP 450mm Graphite Electrode – Hexi

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Graphite electrodes play an important role in steelmaking industry, they are often used to melt the scrap in electric arc furnaces(abbreviated as EAF) . There are some key properties which determine the quality of electrode, what are they?

The coefficient of thermal expansion

(abbreviated as CTE) refers to a measure of the degree of expansion of a material after being heated, when the temperature increases by 1°C, it causes the expansion degree of solid material sample in a specific direction, which is called the linear expansion coefficient along that direction with unit 1×10-6/℃. Unless otherwise specified, the thermal expansion coefficient refers to the linear expansion coefficient. The CTE of the graphite electrode refers to the axial thermal expansion coefficient.

The bulk density

is the ratio of the mass of the graphite electrode to its volume, the unit is g/cm3. The larger the bulk density, the denser the electrode. Generally speaking, the larger the bulk density of the same type of electrode, the lower the electrical resistivity.

Elastic modulus 

is an important aspect of mechanical properties, and it is an index to measure the elastic deformation ability of a material. Its unit is Gpa. Simply speaking, the greater the elastic modulus, the more brittle the material, and the smaller the elastic modulus, the softer the material.

The level of elastic modulus plays a comprehensive role in the use of electrodes. The higher the volume density of the product, the denser the elastic modulus is, but the poorer the product’s thermal shock resistance is, and the easier it is to generate cracks.

Physical Dimension 

DN Actual   Diameter Nominallength and tolerance
Max Min 1800 2100 2400 2700
Standard Short Standard Short Standard Short Standard Short
300 307 302 ±100 -275 ±125 -275
350 357 352 ±125 -275
400 409 403
450 460 454 +200
500 511 505
550 562 556
600 613 607
650 663 657
700 714 708
750 765 759
800 816 810

UHP 450mm Graphite Electrode04 UHP 450mm Graphite Electrode02 UHP 450mm Graphite Electrode03



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The incredibly rich projects administration experiences and a person to 1 service model make the substantial importance of organization communication and our easy understanding of your expectations for factory Outlets for Purified Graphite Electrodes - UHP 450mm Graphite Electrode – Hexi, The product will supply to all over the world, such as: Swiss, Turkey, San Diego, With its rich manufacturing experience, high-quality products, and perfect after-sale service, the company has gained good reputation and has become one of the famous enterprise specialized in manufacturing series.We sincerely hope to establish business relation with you and pursue mutual benefit.
  • Products and services are very good, our leader is very satisfied with this procurement, it is better than we expected,
    5 Stars By Marguerite from Afghanistan - 2018.07.26 16:51
    It is a very good, very rare business partners, looking forward to the next more perfect cooperation!
    5 Stars By Octavia from Jamaica - 2017.09.26 12:12

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