Henan Rongsheng Xinwei New Materials Research Institute Co., Ltd
High Quality Industrial Refractory Material Manufacturer And Supplier
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Introducing our premium Graphite Electrodes, designed for optimal performance in electric arc furnaces and other high-temperature applications. Our electrodes are available in RP, HP, and UHP grades, ensuring versatility and reliability for various industrial processes.
Graphite electrodes are widely used in:
Technical Parameter of Graphite Electrodes and Nipple:
Regular Graphite Electrode
| Item | Nominal diameter mm | ||||||||||
| 75~130 | 150~225 | 250~300 | 350~450 | 500~800 | |||||||
| Grade | Excellent | 一 | Ex | 一 | Ex | 一 | Ex | 一 | Ex | 一 | |
| Resistivity μΩ·m ≤ | Electrode | 8.5 | 10.0 | 9.0 | 10.5 | 9.0 | 10.5 | 9.0 | 10.5 | 9.0 | 10.5 |
| Connector | 8.0 | 8.0 | 8.0 | 8.0 | 8.0 | ||||||
| Flexural strength MPa ≥ | Electrode | 10.0 | 10.0 | 8.0 | 7.0 | 6.5 | |||||
| Connector | 15.0 | 15.0 | 15.0 | 15.0 | 15.0 | ||||||
| Elastic Modulus GPa ≤ | Electrode | 9.3 | 9.3 | 9.3 | 9.3 | 9.3 | |||||
| Connector | 14.0 | 14.0 | 14.0 | 14.0 | 14.0 | ||||||
| Bulk density g/cm3 ≥ | Electrode | 1.58 | 1.53 | 1.53 | 1.53 | 1.52 | |||||
| Connector | 1.70 | 1.70 | 1.70 | 1.70 | 1.70 | ||||||
| Thermal expansion coefficient 10-6/℃ room temperature ~600℃ ≥ | Electrode | 2.9 | 2.9 | 2.9 | 2.9 | 2.9 | |||||
| Connector | 2.7 | 2.7 | 2.8 | 2.8 | 2.8 | ||||||
| Ash % ≤ | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | ||||||
High Power Graphite Electrodes
| Item | Nominal diameter mm | |||
| 200~400 | 450~500 | 550~700 | ||
| Resistivity μΩ·m ≤ | Electrode | 7.0 | 7.5 | 7.5 |
| Connector | 6.3 | 6.3 | 6.3 | |
| Flexural strength MPa ≥ | Electrode | 10.5 | 10.0 | 8.5 |
| Connector | 17.0 | 17.0 | 17.0 | |
| Elastic Modulus GPa ≤ | Electrode | 14.0 | 14.0 | 14.0 |
| Connector | 16.0 | 16.0 | 16.0 | |
| Bulk density g/cm3 ≥ | Electrode | 1.60 | 1.60 | 1.60 |
| Connector | 1.72 | 1.72 | 1.72 | |
| Thermal expansion coefficient 10-6/℃ Room temperature~600℃ ≥ | Electrode | 2.4 | 2.4 | 2.4 |
| Connector | 2.2 | 2.2 | 2.2 | |
| Ash % ≤ | 0.5 | 0.5 | 0.5 | |
Ultra High Power Graphite Electrode
| Item | Nominal diameter mm | ||||
| 300~400 | 450~500 | 550~650 | 700~800 | ||
| Resistivity μΩ·m ≤ | Electrode | 6.2 | 6.3 | 6.0 | 5.8 |
| Connector | 5.3 | 5.3 | 4.5 | 4.3 | |
| Flexural strength MPa ≥ | Electrode | 10.5 | 10.5 | 10.0 | 10.0 |
| Connector | 20.0 | 20.0 | 22.0 | 23.0 | |
| Elastic Modulus GPa ≤ | Electrode | 14.0 | 14.0 | 1.66 | 14.0 |
| Connector | 20.0 | 20.0 | 1.78 | 22.0 | |
| Bulk density g/cm3 ≥ | Electrode | 1.67 | 1.66 | 1.66 | 1.68 |
| Connector | 1.74 | 1.75 | 1.78 | 1.78 | |
| Thermal expansion coefficient 10-6/℃ Room temperature~600℃ ≥ | Electrode | 1.5 | 1.5 | 1.5 | 1.5 |
| Connector | 1.4 | 1.4 | 1.3 | 1.3 | |
| Ash % ≤ | 0.5 | 0.5 | 0.5 | 0.5 | |
Our products undergo rigorous quality control measures, ensuring that every batch meets international standards. With over 20 years of experience in the refractory materials industry, we are committed to providing top-quality solutions that meet our clients' needs.
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Explore the advantages of our high-quality Graphite Electrodes and Nipples today and experience the difference in your production processes!