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 |
Packaging & Shipping
The delivery time usually depends on the order quantity, usually around 7-12 days.
We provide multiple modes of transporation if you have logistics requirements, you can contact us.
Company Profile
Henan Rongsheng Xinwei New Materials Research Institute Co., Ltd., headquartered in Zhengzhou City, Henan Province, is affiliated to Henan Rongsheng Technology Group. It is a national high-tech enterprise integrating R&D, production and technical services of high-performance refractory new materials. We focus on the continuous innovation of high-performance new refractory materials, and are committed to providing advanced technology, high-efficiency, energy-saving, safe and environmentally friendly high-performance new refractory materials and system solutions for the global high-temperature industry.
The main products include melting and casting materials, sintering materials, thermal insulation materials, metallurgical auxiliary materials, refractory raw materials, amorphous materials and graphite products, etc., which are widely used in electric power, metallurgy, non-ferrous metals, petrochemicals, building materials and other fields, and are exported to Europe, America, Oceania , Southeast Asia, the Middle East and more than 80 countries and regions in the world.
If you are in demands of refractory new materials, please contact us for the best price as soon as possible! Welcome global customers to customize different sizes of refractory new materials, we are expecting your inquiries and build long term cooperation relationship with you.
Our Service
1.Professional sales team and 7*24 hours online customer service
2.Professional machine production line and high quality goods
3.Professional transport term to gurantee safe delivery
4.Professional research team to provide customized service
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