Sinometal Carbon stands as a beacon of excellence in the realm of graphite electrode manufacturing and exporting within China, boasting an impressive production capacity of 100,000 TPA. Renowned for crafting premium graphite electrodes ranging from D200mm to D700mm (including NP, HP, SHP, UHP), our products are indispensable to the worldwide metallurgical industry. With years of dedicated research and development, we have armed ourselves with cutting-edge production, inspection, and testing facilities. Our advanced and comprehensive production process encompasses calcination, pressing, baking, pitch impregnation, graphitization, and machining, ensuring top-tier quality.
Our graphite electrodes are distinguished by the following remarkable features:
1. Reduced electric resistivity paired with excellent electrical and thermal conductivity, ensuring efficient performance;
2. Exceptional mechanical strength even at soaring temperatures, allowing for enduring durability;
3. Superior resistance to thermal shock and mechanical vibrations, providing reliability in extreme conditions;
4. Minimal ash content, ensuring purity and cleanliness in application;
5. Based on invaluable customer feedback, our electrodes demonstrate impressively low consumption rates per ton of steel, specifically when utilized in EAF/LF.
Graphite electrodes, encompassing RP, RPI, HP, SHP, and UHP varieties, find their extensive applications in electric arc furnaces and refining furnaces, crucial for the production of alloy steels, other metals, and non-ferrous metals.
The standard dimensions of graphite electrodes that we supply include:
(Diameters ranging from 75mm to 700mm)
Our graphite electrodes boast the following characteristics:
- Low electrical resistivity combined with superb electrical and thermal conductivity;
- High mechanical strength under high temperatures, ensuring robust performance;
- High resistance to thermal shock and mechanical vibration, providing stability;
- Reduced ash content, ensuring enhanced quality and purity;
- According to insightful customer feedback, our electrodes used in EAF/LF delivered lower graphite electrode consumption rates per ton of steel.
Normal Power Graphite Electrodes
(NP)
Impregnation Power Graphite Electrodes
(IP)
High Power Graphite Electrodes
(HP)
Special Power Graphite Electrodes
(SHP)
Ultra High Power Graphite Electrodes
(UHP)
High Density Graphite Electrodes
(HD)





Graphite electrode supply scope (in diameter):
Ф100mm - Ф700mm
Item |
Unit |
Nominal Diameter |
UHP |
HP |
RP |
Φ300-400 |
≥Φ450 |
Φ250-400 |
≥Φ450 |
Φ250-400 |
Φ450-600 |
Electric Resistivity |
electrode |
μΩ·m |
≤5.0 |
≤5.5 |
≤6.0 |
≤6.5 |
≤8.5 |
≤9.0 |
Nipple |
≤4.0 |
≤4.5 |
≤5.5 |
Transverse Strength |
electrode |
MPa |
≥15.0 |
≥10.5 |
≥8.0 |
≥7.0 |
Nipple |
≥24.0 |
≥20.0 |
≥16.0 |
Young's Modulus |
electrode |
GPa |
≤14.0 |
≤12.0 |
≤9.3 |
Nipple |
≤18.0 |
≤16.0 |
≤14.0 |
Bulk Density |
electrode |
g/cm3 |
≥1.68 |
≥1.65 |
≥1.54 |
Nipple |
≥1.76 |
≥1.74 |
≥1.70 |
Coefficient of thermal expansion |
electrode |
10-6/ºC |
≤1.5 |
≤2.0 |
≤2.5 |
Nipple |
≤1.2 |
≤1.6 |
≤2.0 |
Ash |
% |
≤0.2 |
≤0.2 |
≤0.2 |