Basic Info.
Model NO.
Graphite Electrode
Carbon Content
High-Carbon
Forming Way
Molded Graphite
Crystal Morphology
Baked Graphitized
Transport Package
Wooden Cases or Customized
Product Description
Product Description
EG, EGP , EGSP Graphite Electrodes carbon electrodes RP HP UHP Electrode for Steelmaking
Product Description
Graphite electrodes is made of high quality calcined petroleum coke,imported needle coke and modified coal asphalt,the grade are RP,HD(impregnation),HP, SHP and UHP graphite electrodes,the Diameter is from 75-700mm.Graphite electrode produced by our company has the advantages of low resistivity,high electrical conductivity and thermal conductivity,good oxidation resistance,good thermal shock resistance,high mechanical strength,easy to machine,etc.Graphite electrode is widely used to smelt the steel,alloy steel and other metal or nonmetal material in electric arc furnace.Product Parameters
Properties | Units of measurement | Typical values |
Diameter | mm | 75-150 | 200-350 | 400-600 | 700 |
Bulk density | g/cm3 | 1.61 | 1.61 | 1.61 | 1.58 |
Ash impurities | % | 0,2 | 0,2 | 0,3 | 0,3 |
Specific electrical resistance | µОhm•m | 8 | 8 | 8 | 8.5 |
Linear thermal expansion coefficient, (20-520) ºС | 10-6 •1/°С | 2.4 | 2.4 | 2.4 | 2.5 |
Flexural strength | MPa | 11 | 11 | 9 | 8 |
Modulus of elasticity (Young's modulus) | GPa | 9 | 7 | 7 | 7 |
Graphite electrodes of EGP/ HP grade are used in high power electric arc furnaces and ladle furnaces Properties | Units of measurement | Typical values |
Diameter | mm | 200-350 | 400-500 |
Bulk density | g/cm3 | 1.7 | 1.7 |
Ash impurities | % | 0.2 | 0.2 |
Specific electrical resistance | µОhm•m | 6.5 | 6.5 |
Linear thermal expansion coefficient, (20-520) ºС | 10-6 •1/°С | 2.4 | 2.4 |
Flexural strength | MPa | 16 | 14 |
Modulus of elasticity (Young's modulus) | GPa | 9 | 9 |
Graphite electrodes of EGSP/ UHP grade are used in ultra high power electric arc furnaces and ladle furnaces Properties | Units of measurement | Typical values |
Diameter | mm | 350-450 | 500-650 |
Bulk density | g/cm3 | 1.72 | 1.70 |
Ash impurities | % | 0.2 | 0.2 |
Specific electrical resistance | µОhm•m | 6.0 | 5.1 |
Linear thermal expansion coefficient, (20-520) ºС | 10-6 •1/°С | 2.1 | 1.3 |
Flexural strength | MPa | 15 | 12 |
Modulus of elasticity (Young's modulus) | GPa | 10 | 11 |
Nipples for graphite electrodesProperties | Units of measurement | Typical values |
Diameter | mm | 75-150 | 200-350 | 400-550 | 600-700 |
Bulk density | g/cm3 | 1.68 | 1.77 | 1.80 | 1.82 |
Ash impurities | % | 0.2 | 0.2 | 0.2 | 0.2 |
Specific electrical resistance | µОhm•m | 5.5 | 4.5 | 4.2 | 4.0 |
Linear thermal expansion coefficient, (20-520) ºС | 10-6 •1/°С | 2.2 | 1.1 | 1.2 | 1.1 |
Flexural strength | MPa | 16 | 17 | 22 | 23 |
Modulus of elasticity (Young's modulus) | GPa | - | 17 | 17 | 18 |
Note: the above values are average values and they do not constitute a specification Sizes of graphite electrodes Nominal diameter, mm | Typical diameter | Allowable diameter, mm | Nominal length, mm |
mm | maximum | maximum | minimum |
75 | 76 | 3 | 78 | 73 | 1000/1200/1500 |
100 | 102 | 4 | 103 | 98 | 1000/1200/1500 |
125 | 130 | 5 | 132 | 127 | 1000/1200/1500 |
150 | 152 | 6 | 154 | 149 | 1200/1500/1800 |
175 | 178 | 7 | 179 | 174 | 1200/1500/1800 |
200 | 203 | 8 | 205 | 200 | 1500/1800 |
225 | 229 | 9 | 230 | 225 | 1500/1800 |
250 | 254 | 10 | 256 | 251 | 1500/1800 |
300 | 305 | 11 | 307 | 302 | 1500/1800/2100 |
350 | 356 | 12 | 357 | 352 | 1500/1800/2100 |
400 | 406 | 16 | 409 | 403 | 1500/1800/2100/2400 |
450 | 457 | 18 | 460 | 454 | 1500/1800/2100/2400 |
500 | 508 | 20 | 511 | 505 | 1500/1800/2100/2400 |
500 | 508 | 20 | 511 | 505 | 1500/1800/2100/2400/2700 |
550 | 559 | 22 | 562 | 556 | 1500/1800/2100/2400/2700 |
600 | 610 | 24 | 613 | 607 | 1500/1800/2100/2400/2700 |
650 | 662 | 26 | 663 | 659 | 1500/1800/2100/2400/2700 |
700 | 711 | 28 | 714 | 708 | 1500/1800/2100/2400/2700 |
Allowable lengths of graphite electrodes Nominal length, mm | Allowable normal electrode length, mm | Allowable short electrode length, mm |
maximum | minimum | maximum | minimum |
1000 | 1050 | 925 | 925 | 800 |
1200 | 1250 | 1100 | 1100 | 975 |
1500 | 1600 | 1400 | 1400 | 1225 |
1800 | 1900 | 1700 | 1700 | 1525 |
2100 | 2225 | 1975 | 1975 | 1825 |
2400 | 2525 | 2275 | 2275 | 2125 |
2700 | 2900 | 2550 | 2550 | 2400 |
Sizes of graphite nipples and electrode sockets with 4TP Nominal electrode diameter | Joint designation | Nipple | Electrode socket |
External diameter | Effective diameter | Length | Effective diameter | Depth | Thread depth |
d1 | d2 | L1 | d4 | L2 | L3 |
200 | 122Т4N | 122.24 | 119.08 | 177.80 | 119.08 | 94.90 | 90.90 |
225 | 139Т4N | 139.70 | 136.54 | 177.80 | 136.54 | 94.90 | 90.90 |
250 | 152Т4N | 152.40 | 149.24 | 190.50 | 149.24 | 101.30 | 97.30 |
300 | 177Т4N | 177.80 | 174.64 | 215.90 | 174.64 | 114.00 | 110.00 |
350 | 203Т4N | 203.20 | 200.04 | 254.00 | 200.04 | 133.00 | 129.00 |
350 | 203Т4L | 203.20 | 200.04 | 304.80 | 200.04 | 158.40 | 154.40 |
400 | 222Т4N | 222.25 | 219.09 | 304.80 | 219.09 | 158.40 | 154.40 |
400 | 222Т4L | 222.25 | 219.09 | 355.60 | 219.09 | 183.80 | 179.80 |
450 | 241Т4N | 241.30 | 238.14 | 304.80 | 238.14 | 158.40 | 154.40 |
450 | 241Т4L | 241.30 | 238.14 | 355.60 | 238.14 | 183.80 | 179.80 |
500 | 269Т4N | 269.88 | 266.72 | 355.60 | 266.72 | 183.80 | 179.80 |
500 | 269Т4L | 269.88 | 266.72 | 457.20 | 266.72 | 234.60 | 230.60 |
550 | 298Т4N | 298.45 | 295.29 | 355.60 | 295.29 | 183.80 | 179.80 |
550 | 298Т4L | 298.45 | 295.29 | 457.20 | 295.29 | 234.60 | 230.60 |
600 | 317Т4N | 317.50 | 314.34 | 355.60 | 314.34 | 183.80 | 179.80 |
600 | 317Т4L | 317.50 | 314.34 | 457.20 | 314.34 | 234.60 | 230.60 |
650 | 355Т4N | 355.60 | 352.44 | 457.20 | 352.44 | 234.60 | 230.60 |
650 | 355Т4L | 355.60 | 352.44 | 558.80 | 352.44 | 285.40 | 281.40 |
700 | 317Т4L | 317.50 | 314.34 | 457.20 | 314.34 | 234.60 | 230.60 |
700 | 374Т4N | 374.65 | 371.49 | 457.20 | 371.49 | 234.60 | 230.60 |
700 | 374Т4L | 374.65 | 371.49 | 558.80 | 371.49 | 285.40 | 281.40 |
Note: Nipple effective diameter d2 is equal to electrode socket effective diameter d4 Other combinations of the nominal diameter and the joint are to be agreed upon with a customer! Sizes of graphite nipples and electrode sockets with Т3 taper thread Nominal electrode diameter | Joint designation | Nipple | Electrode socket |
External diameter | Effective diameter | Length | Effective diameter | Depth | Thread depth |
d1 | d2 | L1 | d4 | L2 | L3 |
225 | 139Т3N | 139.70 | 135.49 | 203.20 | 135.49 | 107.60 | 103.60 |
250 | 155Т3N | 155.57 | 151.36 | 220.00 | 151.36 | 116.00 | 112.00 |
300 | 177Т3N | 177.16 | 172.95 | 270.90 | 172.95 | 141.50 | 137.50 |
350/400 | 215Т3N | 215.90 | 211.69 | 304.80 | 211.69 | 158.40 | 154.40 |
350/400 | 215Т3L | 215.90 | 211.69 | 355.60 | 211.69 | 183.80 | 179.80 |
400/450 | 241Т3N | 241.30 | 237.09 | 338.70 | 237.09 | 175.30 | 171.30 |
400/450 | 241Т3L | 241.30 | 237.09 | 355.60 | 237.09 | 183.80 | 179.80 |
500 | 273Т3N | 273.05 | 268.84 | 355.60 | 268.84 | 183.80 | 179.80 |
500 | 273Т3L | 273.05 | 268.84 | 457.20 | 268.84 | 234.60 | 230.60 |
550 | 298Т3L | 298.45 | 294.24 | 457.20 | 294.23 | 234.60 | 230.60 |
Sizes of graphite nipples and electrode sockets with cylindrical thread 3 Nominal electrode diameter | Joint designation | Nipple | Electrode socket |
Diameter d | Length L | External diameter d1 | Socket depth L1 |
75 | 41С3N | 41.2 | 103.0 | 35.1 | 53.0 |
100 | 66C3N | 66.7 | 135.0 | 60.6 | 69.0 |
125 | 69C3N | 69.8 | 153.0 | 63.7 | 78.0 |
150 | 88C3N | 88.9 | 169.0 | 82.8 | 86.0 |
200 | 122C3N | 122.2 | 203.0 | 116.1 | 103.0 |
Note: Nipples from 75 mm to 200 mm in diameter are made without holes for plugs. Recommended tightening torque when joining electrodes Nominal electrode diameter, mm | Tightening torque, Nm |
75 | 30 |
100 | 50 |
125 | 90 |
150 | 130 |
175 | 200 |
200 | 250 |
225 | 350 |
250 | 450 |
300 | 650 |
350 | 850 |
400 | 1100 |
450 | 1500 |
500 | 2500 |
550 | 3500 |
600 | 4000 |
650 | 5000 |
700 | 6000 |
Recommended current loads of graphite electrodes.Nominal diameter, mm | Allowable current density, A/cm2 |
EG | EGP | EGSP |
150 | 18-25 | - | - |
200 | 18-25 | 20-30 | 25-35 |
250 | 15-20 | 20-25 | 25-35 |
300 | 15-20 | 20-25 | 25-35 |
350 | 15-20 | 20-25 | 25-35 |
400 | 15-18 | 18-22 | 25-30 |
450 | 15-18 | 18-22 | 25-30 |
500 | 15-18 | 18-22 | 22-28 |
550 | 15-18 | 18-22 | 22-28 |
600 | 10-15 | 15-20 | 22-28 |
650 | - | - | 20-26 |
700 | 12 | - | 19-25 |
Features
* Full range of carbon materials, graphite materials, refactories and water treatment materials products and solutions;
* High output, with an annual output of 100,000 tons, timely delivery;
* Low resistivity
* High temperature strength
* Good thermal conductivity and electrical conductivity
* Low thermal expansion coefficient
* Low ash,Its ash content is controlled within 3%.
* Dense and equal structure,Low graphite electrode consumption.
* Good oxidation resistance
* High mechanical strengthDetailed Photos
Packaging Details :in wooden case or package as customer's order
Our shipping method as below :Production Flow Chart:
1. Delivery time
a) For the stock items, we can arrange the shippment within 5~10 days after received your payment. For the customized items, we will indicate the delivery time in the quotation list.
2. MOQ&Shipping
a) Full containers by sea
b) Small quantity(25kg), by air or by LCL or by Express as your requirement
3. Payment term
a) Small quantity recommend West Union
b) Full containers recommend T/T or L/C
4. How is the charge for sample?
Free samples available, shipping cost to be borne by the buyer.
5. What's your package?
Basically our packing is 25 kg per bag.
6. Can you give warranty of your products?
Yes, we extend a 100% satifisfaction guarantee on all items. Please feel free to provide timely feedback if you're not satisfied with our Quality and Service. For the overseas orders, if there is a quality problem, please kindly to provide the picturers to show the problem by e-mail.
Address:
218, Floor 2, Block C, Jindu Building, Handan Economic Development Zone, Handan, Hebei, China
Business Type:
Manufacturer/Factory, Trading Company, Other, Group Corporation
Business Range:
Chemicals, Metallurgy, Mineral & Energy
Management System Certification:
ISO 9001, ISO 9000, ISO 14001, ISO 14000
Company Introduction:
Our company offers variety of products which can meet your multifarious demands. We adhere to the management principles of "quality first, customer first and credit-based" since the establishment of the company and always do our best to satisfy potential needs of our customers. Our company is sincerely willing to cooperate with enterprises from all over the world in order to realize a win-win situation since the trend of economic globalization has developed with anirresistible force.
Our company mainly deals in various carbon products suitable for the steel industry, such as graphite electrodes (RP/HP/UHP) and various types of carbon additives (Artificial Graphite/Petroleum Coke/Natural Graphite/Coke and Anthracite etc. ), which can meet all your needs. Since our establishment, we have adhered to the business principles of "quality first, customer first, reputation-based", always striving to meet the potential needs of our customers.
As the trend of economic globalization is unstoppable, our company vigorously implements industrialization, internationalization, and diversified business strategies, promotes group operation, intensive progress, and lean management, and builds the company into a modern enterprise with scientific progress concepts, continuous innovation vitality, excellent corporate culture, strong sense of social responsibility, and international competitiveness through a rich series of product and project combinations and a complete operational network.
We are willing to cooperate sincerely with companies from all over the world and achieve win-win results.
Our company provides all kinds of products, can meet your various needs. Company since its inception, always adhere to the "quality first, customer first, credit for this" the management policy, and do our best to meet the potential needs of customers. In the tide of economic globalization, the company is willing to cooperate with companies from all over the world, achieve a win-win situation.
Our company is mainly engaged in all kinds of steel mill industry of carbon products, such as graphite electrodes (RP/HP/UHP) and all kinds of carbon additives (artificial graphite/petroleum coke, natural graphite/coke and anthracite, etc. ), can satisfy all your requirements. Since its establishment, we adhere to the "quality first, customer first, the prestige for this, " the operating principles, always try to meet the potential needs of customers. Our products have been exported to India, South Korea, Russia, South America, North America, etc.
As the economic globalization is unstoppable, the company vigorously implement the strategy of industrialization, internationalization and diversification, promote the collectivization management, intensive process, lean management, through the rich series products and portfolio, a complete network, to construct the company into a scientific progress concept, continuous innovation vigor, excellent corporate culture, strong sense of social responsibility and international competitiveness of modern enterprise.
Who is willing to cooperate with companies from all over the world, achieve win-win situation.