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1,Description of Graphite Electrode for Refining Furnace
The main raw materials of the product are high quality petroleum coke and high quality needle coke.Sometimes the electrode body needs to be impregnated. The mechanical properties of the product are higher than those of regular power products,such as low resistivity, which permits the passage of a larger current density.
The graphite electrode products we supply are used in roughing furnace and refining furnaces. They have three quality grades: RP, HP and UHP. They are divided into various specifications according to their diameters and lengths. It is a good conductive and heat conductive high temperature product for steelmaking.
The product is black and cylindrical.
2,The specifications included in the product are as follows:
HP Dia200~400,UHP Dia400~500 and so on...
3,Product features: relatively low resistivity, higher density, higher strength, good thermal conductivity, small thermal expansion.
4,Major raw materials used in products:a part imported needle coke (Japan, USA), most domestic high-grade petroleum coke, natural graphite, coal tar pitch binder and impregnating agent.
5,Simple process of product production: raw material calcination, proportioning, kneading, shaping, roasting, impregnation, graphitization, machining and packaging.
6,The guaranteed consumption rate per ton of steel for the products we supply is 0.5-1.0 kg/ton steel. Because of different kinds of steel smelted by different users, different operating environment and other factors, the consumption rate per ton of steel is a range value.
7,We promise:
(1) We are willing to compensate the damaged products free of charge if they cause damage to the products during transportation and affect the use of customers.
(2) In the process of rational use of products by customers, unreasonable factors, such as non-human and mechanical factors, have resulted in product breakage, loss of sheet and consumption rate exceeding customer requirements. We are willing to compensate free of charge.
5,Permissible Current Load and Current Density of Graphite Electrode Products with Different Specifications:
High Power | ||
Nonminal Diameter mm | Current Load (A) | Current Density (A/cm2) |
200 | 5500-9000 | 18-25 |
225 | 6500-10000 | 18-25 |
250 | 8000-13000 | 18-25 |
300 | 13000-17400 | 17-24 |
350 | 17400-24000 | 17-24 |
400 | 21000-31000 | 16-24 |
Ultra High Power | ||
Nonminal Diameter mm | Current Load (A) | Current Density (A/cm2) |
400 | 25000-40000 | 19-30 |
450 | 32000-45000 | 19-27 |
500 | 38000-55000 | 18-27 |
6,Purpose: Used in refining furnace smelting.
7,Product Index of Graphite Electrode for Refining Furnace:
Item | High Power | ||
φ200-400 | φ450-600 | ||
Resistivity μΩ•m ≤(Max) | Electrode | 6.5 | |
Nipple | 5.5 | ||
Bulk density g/cm3 ≥(min) | Electrode | 1.62 | 1.60 |
Nipple | 1.73 | ||
Modulus of rupture Mpa ≥(min) | Electrode | 10.5 | 9.8 |
Nipple | 16.0 | ||
Young's modulus Gpa ≦(Max) | Electrode | 12.0 | |
Nipple | 16.0 | ||
Ash % ≤(Max) | Electrode | 0.3 | |
Nipple | 0.3 | ||
CTE(100-600℃) 100-6 /℃ ≤(Max) | Electrode | 2.4 | |
Nipple | 2.2 | ||
8,Our company promises to customers: to provide free technical exchanges and services with customers, and to provide samples to customers free of charge without any sample fees.
9,Achievements generated: Our company has previously shipped 100 tons to India.
10,
Do you want to find a professional supplier of graphite electrodes?
Do you want to find a stable and credible supplier?
Then please contact with us
Contact me:
Email:wp@cnjingganrefractory.com/sdwenping@163.com
TEL: 86-0533-4188518 / FAX: 86-0533-4188518
Rose:+86-13275332819(wechat/whatsapp number)
The key to our success is 'Good Product or service High quality, Reasonable Rate and Efficient Service' for Azs Brick for Glass Furnace / Fused Cast Zirconia Alumina Brick. Our company takes the revitalization of the national industry as its mission striving to become an internationally renowned brand so that global users can trust 'Made in China'. Our goal is to become a world-famous enterprise and strive to become a world-famous enterprise with diversified development, high sense of social responsibility and sustainable development ability under the background of economic globalization.
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