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Manfacture Uhp Graphite Electrode - China

price: contact company for price

UHP Graphite Electrodes

Oxidation Resistance Graphite Electrode

UHP Graphite Electrodes Manufacturer

Electric resistivity : 4.6-6.2

Bending strength: >=10.5

Elastic Modulus: <=14

Bulk density: 1.66-1.73

Ash: <=0.3

CTE: 1.20-1.50

Ultra high power graphite electrode is a graphite electrode with allowable current density greater than 25A/cm2 .

UHP graphite electrode mainly used in ultra-high power steelmaking electric arc furnace.

Ultra High Power Graphite Electrode Current Carrying CapacityUltra High Power Graphite Electrode Current Carrying Capacity

Physical and Chemical Index of Ultra high Power Graphite Electrode

Item Unit UHP 300~500 550~600 700~800

Electric Resistivity Electrode uΩ.

m 4.6~6.2 4.5~6.0 4.5~5.8 Nipple 3.5~5.0 3.4~4.5 3.3~4.3

Bending Strength Electrode MPa ≥10.5 ≥10.0 ≥10.0 Nipple ≥20.0 ≥22.0 ≥23.0

Modulus of Elasticity Electrode GPa ≤14.0 ≤14.0 ≤14.0 Nipple ≤20.0 ≤22.0 ≤22.0

Bulk Density Electrode G/cm3 1.66~1.73 1.68~1.74 Nipple 1.75~1.82 1.78~1.85

Ash Content Electrode % ≤0.3 Nipple The Coefficient of Thermal Expansion(CTE) Electrode 10-6/℃ 1.20~1.50 1.10~1.50 Nipple 1.10~1.40 1.00~1.30 UHP Graphite Electrode Current Carrying Capacity

Norminal Diameter UHP Current Carrying Capacity Current Density

inch mm A A/cm2

12 300 15000~22000 20~30

14 350 20000~30000 20~30

16 400 25000~40000 19~30

18 450 32000~45000 19~27

20 500 38000~55000 18~27

22 550 45000~65000 18~27

24 600 50000~75000 18~26

28 700 70000~120000 18~25

32 800 / / Tolerance of Graphite Electrode Diameter and Length(mm)

Nominal Diameter Actural diameter Length

in mm max min Black surface min 12 300 307 302 299 1800/2000

14 350 358 352 349 1800/2000/2200

16 400 409 403 400 1800/2000/2200

18 450 460 454 451 1800/2000/2200

20 500 511 505 502 2000/2200/2400

22 550 562 556 553 2000/2200/2400/2700

24 600 613 607 604 2200/2400/2700/3000

28 700 714 710 707 2200/2400/2700/3000

29 800 816 812 809 2200/2400/2700/3000 Permissible Deviation of Graphite Electrode Length (mm)

Nominal Length Standard Deviation Short Length Deviation


Company Contact:


  • Phone: 5365222183

  • Address: Shouguang,Weifang, Shandong, China, weifang , shandong , China

  • Email: Email


Published date: January 7, 2019

  • Business Description: Shandong Rongfu new material technology Co, Ltd., which is located in Shandong province, China, have been specialized in the graphite electrode field for more than 10 years since the year 2007 - Our graphite electrode has been exported to more than 20 countries and areas, including Iran, India, Russia, Germany, Italy, USA, South America, Japan, Korea, Taiwan, Hongkong and so on in the past years.

    Our company always serves each customer at credible quality and quality service, and try our best to be most professional graphite electrode supplier in the world.

    Graphite electrode is made from top quality low sulphur petroleum coke and high quality needle coke imported from Japan, using high grade coal pitch and other low ash material as adhesion agent.

    These raw materials go through the procedure of crushing, calcining, dosing, kneading, forming, multiple roasting, impregnating, graphitizing, mechanical treating, and finally come into graphite electrode.

    Graphite electrode is one kind of high temperature and oxidation resistant conductive material.

    Graphite electrode has many advantages such as structure uniformity, low ash material, low electric resistivity, low impurity content, low coefficient of thermal expansion, good electrical and thermal conductivity, good oxidation resistance, strong ability of thermal and mechanical vibration resistance, high mechanical strength, high machining accuracy, matching precision of electrode and joint fit.

    Graphite electrode is a good conductor of heat and electricity and is widely used in the steelmaking electric arc furnace, refinery furnace, submerged arc furnace and other smelting furnace with high temperature produced by electric arc.

    Graphite electrode is excellent material for the production of alloy steel and other metallic non-metallic materials by electric arc furnace.

    Graphite electrode is also excellent material for the smelting production of iron alloy, industrial silicon, yellow phosphorus, corindon by submerged arc furnace.

    Our graphite electrode contains more than 30 kinds of diameter specifications covering from 200mm to 800mm.

    It divide into regular power graphite electrodes , high power graphite electrodes, ultra high power graphite electrode depending on raw material and production process, and different power and current carrying capacity in use.

    Special specifications of graphite electrodes and special-shaped graphite products can be produced according to the special requirements of users.

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