Basic Info.
Model NO.
graphite electrodes
Carbon Content
High-Carbon
Forming Way
Extruded Graphite
Crystal Morphology
Aphanitic Graphite
Transport Package
Wooden Cases
Specification
200mm-1400mm
Product Description
Product Description1. RP Graphite Electrode Regular Power Graphite Electrodes are made of high quality petroleum coke and coal tar pitch produced by Petro China Fushun Petrochemical Company. They are refined by calcining, proportioning, mixing, pressing, roasting, graphitizing and machining. The nipples are made by one- immersion and two-firing process.
Standard for RP Graphite Electrodes and Nipples
Items | Unit | Nominal diameter (mm) |
200-300 | 350-600 | 780-1400 |
Specific resistance | Electrode | μΩ .m | 7.5-8.5 | 7.5-8.5 | 8.5-10.5 |
Nipple | 6.5-7.0 | 6.5-7.0 | 6.5-7.0 |
Transverse strength | Electrode | MPa | ≥8.5 | ≥7.8 | ≥6.0 |
Nipple | ≥13.0 | ≥13.0 | ≥13.0 |
Elastic modulus | Electrode | GPa | ≤9.3 | ≤9.3 | ≤12.0 |
Nipple | ≤13.0 | ≤13.0 | ≤13.0 |
Ash content | Electrode | % | ≤0.3 | ≤0.3 | ≤0.3 |
Nipple |
Bulk density | Electrode | g/cm³ | 1.55-1.60 | 1.55-1.60 | 1.59-1.62 |
Nipple | 1.63-1.68 | 1.63-1.68 | 1.65-1.70 |
(C.T.E) | Electrode | 10-6 ºC | ≤2.9 | ≤2.9 | ≤2.9 |
Nipple | ≤2.7 | ≤2.8 | ≤2.8 |
Allowable Current of RP Graphite Electrodes
Nominal diameter | Allowable current |
mm | A | A/cm2 |
200~300 | 10000~13000 | 15~21 |
350~600 | 13500~32000 | 14~19 |
780~1400 | 57000~108000 | 12~8 |
2.HP Graphite Electrode
The high-power graphite electrodes are refined from high-quality petroleum coke produced by PetroChina Fushun Petrochemical Company, needle coke imported from Japan and medium-temperature modified asphalt by calcining, proportioning, mixing, pressing, roasting, high-pressure impregnation, secondary roasting, graphitization, machine-processing. The nipples are made of needle coke imported from Japan by two-immersion and three-firing process.
Standard for HP Graphite Electrodes and Nipples
Items | Unit | Nominal diameter (mm) |
200-300 | 350-600 |
Specific resistance | Electrode | μΩ .m | 5.2-6.5 | 5.5-6.8 |
Nipple | 4.8-5.2 | 4.8-5.0 |
Transverse strength | Electrode | MPa | ≥11.0 | ≥11.0 |
Nipple | ≥16.0 | ≥16.0 |
Elastic modulus | Electrode | GPa | ≤11.0 | ≤11.0 |
Nipple | ≤15.0 | ≤15.0 |
Ash content | Electrode | % | ≤0.3 | ≤0.3 |
Nipple |
Bulk density | Electrode | g/cm³ | 1.64-1.70 | 1.63-1.70 |
Nipple | 1.73-1.79 | 1.73-1.79 |
(C.T.E) | Electrode | 10-6 ºC | ≤2.4 | ≤2.4 |
Nipple | ≤2.2 | ≤2.2 |
Allowable Current of HP Graphite ElectrodesNominal diameter | Allowable current |
mm | A | A/cm2 |
200~300 | 13000~17400 | 17~24 |
350~600 | 17400~58000 | 15~23 |
3.UHP Graphite Electrode The Ultra-high power graphite electrodes are made from needle coke imported from Japan. According to the production process of ultra-high power graphite electrode, it is refined through grinding, screening, ingredients, mixing, pressing, roasting, high pressure impregnation, secondary roasting, graphitization and machine processing. The nipples are made of needle coke imported from Japan by three-immersion and four-firing processes.
Standard for UHP Graphite Electrodes and Nipples
Items | Unit | Nominal diameter (mm) |
200-300 | 350-600 |
Specific resistance | Electrode | μΩ .m | 4.8-5.5 | 4.8-5.6 |
Nipple | 3.6-4.5 | 3.6-4.5 |
Transverse strength | Electrode | MPa | ≥11.0 | ≥11.0 |
Nipple | ≥18.0 | ≥18.0 |
Elastic modulus | Electrode | GPa | ≤13.0 | ≤13.0 |
Nipple | ≤17.0 | ≤17.0 |
Ash content | Electrode | % | ≤0.3 | ≤0.3 |
Nipple |
Bulk density | Electrode | g/cm³ | 1.67-1.72 | 1.65-1.72 |
Nipple | 1.75-1.82 | 1.75-1.82 |
(C.T.E) | Electrode | 10-6 ºC | ≤1.5 | ≤1.5 |
Nipple | ≤1.4 | ≤1.4 |
Allowale Current of Ultra High Power Graphite Electrodes
Nominal diameter | Allowable current |
mm | A | A/cm2 |
200~300 | 13000~22000 | 20~30 |
350~600 | 20000~72000 | 19~24 |
Dimensions for Graphite electrode conical nipplesDiameter for Graphite electrode | conical nipples | socket plug | screw pitch |
D | d2 | L | I | d1 | H |
deviation | ≤ | deviation |
type | metric system | British system | (-0.30~0) | (-1~0) | 7 | (0-0.3) | (0-7) | 8.47 |
3TPI | 225 | 9″ | 139.7 | 91.22 | 203.2 | 141.22 | 107.6 |
250 | 10″ | 155.57 | 104.2 | 220 | 157.09 | 116 |
300 | 12″ | 177.16 | 117.39 | 270.9 | 148.68 | 141.5 |
350 | 14″ | 215.9 | 150.48 | 304.8 | 217.42 | 158.4 |
400 | 16″ | 215.9 | 150.48 | 304.8 | 217.42 | 158.4 |
400 | 16″ | 241.3 | 170.23 | 338.7 | 242.82 | 175.3 |
450 | 18″ | 241.3 | 170.23 | 338.7 | 242.82 | 175.3 |
450 | 18″ | 273.05 | 199.17 | 355.6 | 274.57 | 183.8 |
500 | 20″ | 273.05 | 199.17 | 355.6 | 274.57 | 183.8 |
500 | 20″ | 298.45 | 221.73 | 372.6 | 299.97 | 192.2 |
550 | 22″ | 298.45 | 221.73 | 372.6 | 299.97 | 192.2 |
600 | 24″ | 336.55 | 245.73 | 457.3 | 338.07 | 234.6 |
3TPIL | 350 | 14″ | 215.9 | 144.85 | 338.7 | 217.42 | 175.3 |
400 | 16″ | 241.3 | 167.43 | 355.6 | 242.82 | 183.8 |
450 | 18″ | 273.05 | 182.23 | 457.3 | 274.57 | 234.6 |
4TPI | 200 | 8″ | 122.24 | 81.48 | 177.8 | 7 | 115.92 | 94.9 | 6.35 |
225 | 9″ | 139.7 | 98.94 | 177.8 | 133.38 | 94.9 |
250 | 10″ | 152.4 | 109.52 | 190.5 | 146.08 | 101.3 |
300 | 12″ | 177.8 | 130.69 | 215.9 | 171.48 | 114 |
350 | 14″ | 203.2 | 149.74 | 254 | 196.88 | 133 |
400 | 16″ | 222.25 | 160.32 | 304.8 | 215.93 | 158.4 |
450 | 18″ | 241.3 | 197.37 | 304.8 | 234.98 | 158.4 |
500 | 20″ | 269.88 | 199.49 | 355.6 | 263.56 | 183.8 |
550 | 22″ | 298.45 | 228.06 | 355.6 | 292.13 | 183.8 |
600 | 24″ | 317.5 | 247.11 | 355.6 | 311.18 | 183.8 |
650 | 26″ | 355.6 | 268.27 | 457.2 | 349.28 | 234.6 |
700 | 28″ | 374.65 | 287.32 | 457.2 | 368.33 | 234.6 |
4TPIL | 300 | 12″ | 177.8 | 124.34 | 254 | 171.48 | 133 |
350 | 14″ | 203.2 | 141.27 | 304.8 | 196.88 | 158.4 |
400 | 16″ | 222.25 | 151.86 | 355.6 | 215.93 | 183.8 |
450 | 18″ | 241.3 | 190.91 | 355.6 | 234.98 | 183.8 |
500 | 20″ | 269.88 | 182.55 | 457.2 | 263.56 | 234.6 |
550 | 22″ | 298.45 | 211.12 | 457.2 | 292.13 | 234.6 |
600 | 24″ | 317.5 | 230.17 | 457.2 | 311.18 | 234.6 |
650 | 26″ | 355.64 | 251.38 | 558.8 | 349.28 | 285.4 |
700 | 28″ | 374.65 | 370.39 | 588.8 | 368.33 | 285.4 |
Our company Hebei Gronn Carbon Co., Ltd. is located in Handan, Hebei, China. It is a modern foreign trade enterprise which mainly produces graphite electrodes, graphite crucibles and graphite powders. The annual export volume of products exceeds 10,000 tons. The company's carbon production base is located in Chengan, Handan City, Hebei Province, which is well known as "Carbon Base in North China". It is adjacent to Beijing-Guangzhou Railway and Beijing-Hong Kong-Macau Expressway in the West and the junction of Beijing-Hebei-Shandong-Henan Provinces and it has convenient transportation and superior geographical position. We can provide carbon materials and products for various fields. The product quality is excellent. It has passed the certification of ISO 9001 international quality management system. All export products conform to international quality standards.
Our company's main development advantages are perfect quality control capability, strong supply support capability, fast quality service and excellent cost performance.
Gronn Carbon has always been to "honesty, quality first" business
philosophy as a business and adheres to the service purpose of "Market-oriented, Customer-centered". To maximize the interests of customers as the starting point of our services and all actions, we sincerely provide customers with the best products, the best price, the best quality service.
We look forward to sincere cooperation with the friends from all circles to achieve a win-win situation for a brilliant tomorrow!
contact usexport manager: Pan Hao
Hebei Gronn Carbon Co., Ltd.
Tel: +86-310-5100097
Cell: +86 18931040126
Address:
Room 1802, Tower a, Baixing Buildingno. 118, North-Donghuan Road, Congtai District, Handan, Hebei, China
Business Type:
Manufacturer/Factory, Trading Company
Business Range:
Apparel & Accessories, Arts & Crafts, Construction & Decoration, Electrical & Electronics, Industrial Equipment & Components, Lights & Lighting, Metallurgy, Mineral & Energy, Transportation
Management System Certification:
ISO 9001
Company Introduction:
Hebei Gronn Carbon Co., Ltd. is located in Handan, Hebei, China. It is a modern foreign trade enterprise which mainly produces graphite electrodes, graphite crucibles and graphite powders. The annual export volume of products exceeds 10, 000 tons. The company′s carbon production base is located in Chengan, Handan City, Hebei Province, which is well known as "Carbon Base in North China". It is adjacent to Beijing-Guangzhou Railway and Beijing-Hong Kong-Macau Expressway in the West and the junction of Beijing-Hebei-Shandong-Henan Provinces and it has convenient transportation and superior geographical position. We can provide carbon materials and products for various fields. The product quality is excellent. It has passed the certification of ISO 9001 international quality management system. All export products conform to international quality standards.
Our company′s main development advantages are perfect quality control capability, strong supply support capability, fast quality service and excellent cost performance.
Gronn Carbon has always been to "honesty, quality first" business
Philosophy as a business and adheres to the service purpose of "Market-oriented, Customer-centered". To maximize the interests of customers as the starting point of our services and all actions, we sincerely provide customers with the best products, the best price, the best quality service.
We look forward to sincere cooperation with the friends from all circles to achieve a win-win situation for a brilliant tomorrow!