Factory Dia 75-700mm Graphite Electrodes with Nipples 3tpi 4tpi
Description:
Graphite electrodes are essential components in modern steelmaking and other high-temperature industrial processes. Made from high-purity petroleum coke and pitch, they are shaped and baked to achieve excellent electrical conductivity, thermal stability, and mechanical strength. These properties make graphite electrodes ideal for use in electric arc furnaces (EAF) and ladle furnaces, where they conduct the electrical current necessary to melt scrap steel efficiently and consistently. China Factory Dia 75-700mm Graphite Electrodes with Nipples 3tpi 4tpi
In addition to steel production, graphite electrodes are used in non-ferrous metal smelting, chemical industries, and other applications that require high-temperature resistance and durability. Their high carbon content ensures minimal contamination, while their robust structure allows them to withstand extreme heat and mechanical stress. Graphite electrodes are available in various sizes and grades to meet specific industrial requirements, and innovations in production have improved their performance, reducing energy consumption and increasing operational efficiency.
Graphite Electrode for Steel Making High Power Graphite Electrode; Used as Conductive Material in Arc Furnace
With the growing demand for high-quality steel and energy-efficient production processes, graphite electrodes remain a critical material in metallurgy. They combine reliability, high conductivity, and resistance to thermal shock, making them indispensable for modern industrial applications. Their use ensures faster, more efficient melting, improved product quality, and cost-effective production in steelmaking and other high-temperature processes.
Our graphite electrodes has the following feature:
1. Lower electric resistivity, good electric and heat conductivity;
2. High mechanical strength under high temperature;
3. High resistance to thermal shock and mechanical vibration;
4. Lower ash content;
5. According to the customer's feedback information, our electrodes used in EAF/LF with the pretty lower consumption per ton steel.
Graphite electrode, mainly from the domestic petroleum coke and imported needle coke, is widely used in electric arc furnace,ladle furnace, submerged arc electric furnace for theproduction of alloy steel, metal and nonmetallic materials.
Specification
Item |
Unit |
Graphite Electrode |
| RP |
HP |
UHP |
| φ300-φ800mm |
φ300-φ800mm |
φ300-φ500mm |
φ550-φ800mm |
| Typical Value |
Typical Value |
Typical Value |
Typical Value |
Resistivity |
Electrode |
μΩm |
7.0-10.0 |
5.8-6.6 |
4.5-5.8 |
4.6-5.8 |
| Nipple |
4.0-4.5 |
3.5-4.0 |
3.5-4.0 |
3.5-4.0 |
Modulus of Rupture |
Electrode |
Mpa |
8.0-10.0 |
10.0-13.0 |
10.0-14.0 |
10.0-14.0 |
| Nipple |
19.0-22.0 |
20.0-23.0 |
20.0-24.0 |
22.0-26.0 |
Young's Modulus |
Electrode |
GPa |
7.0-9.3 |
8.0-12.0 |
9.0-13.0 |
10.0-14.0 |
| Nipple |
12.0-14.0 |
14.0-16.0 |
15.0-18.0 |
16.0-19.0 |
Bulk Density |
Electrode |
g/cm3 |
1.53-1.56 |
1.64-1.68 |
1.68-1.74 |
1.70-1.74 |
| Nipple |
1.70-1.74 |
1.75-1.80 |
1.78-1.82 |
1.80-1.84 |
CTE (100-600ºC) |
Electrode |
10-6/ºC |
2.2-2.6 |
1.6-1.9 |
1.1-1.4 |
1.1-1.4 |
| Nipple |
2.0-2.5 |
1.1-1.4 |
0.9-1.2 |
0.9-1.2 |
| Ash |
% |
0.5 |
0.3 |
0.3 |
0.3 |
Application:
1. Be used for Steelmaking arc furnaces, refining furnace, as conducting electrode.
2. Be used for Metal-silicon furnace, Or-giraffe furnace, Corundum furnace etc. As conducting
electrode
Properties:
* High density, high temperature resistance, high mechanical strength and strong chemical stability.
* The surface can be treated with anti-oxidation.
* Corrosion resistance, strong acid and alkali resistance.
* Excellent thermal shock resistance, electrical conductivity and thermal conductivity.
* Strong wear resistance and lubricating performance.
* Long service life.
Variety:
1. RP (Regular Power)
2. HP (High Power)
3. UHP (Ultra High Power)
4. RPI (Regular Power Impregnated)
(Notice: All of Graphite Electrodes is equipped to tapered nipple
Product Advantage
* High output,guarantee delivery date
Annual output: 80,000 tons
* Low resistivity
* Good thermal conductivity and electrical conductivity
* Low ash
(UHP:0.3%max; HP:0.2%max; RP:0.5%max)
* Low graphite electrode consumption.
* Good oxidation resistance
* Needle coke content accounts for 80%,
Imported from Japan and South Korea
Application
1. Electric arc steelmaking furnace.
2. Ore-heating furnaces.
3. Resistance furnaces.
Quality Assurance & Control
· National Certified Laboratory
· Key testing instruments, including: specific resistor, bulk density meter, elasticmodulus meter, bending strength inspector, ash analysis meter, CTE analysis meter, etc.
· On-time instrument calibration
· On-site properties testing, including:
L-CTE,C-CTE
Specific resistance, bulk density,
Bending strength, ash content, elastic modulus
Production Application:
- Core application in Electric Arc Furnace (EAF) steelmaking (accounting for over 70% of global consumption): Conduct electricity to generate high-temperature electric arcs for melting scrap steel, producing construction steel, automotive steel and specialty steel
- Facilitate non-ferrous metal smelting: Smelt metals such as copper, nickel and lead; also used in vacuum remelting of refractory metals like titanium to achieve purification and uniform composition
- Produce key industrial materials: Manufacture metallurgical-grade silicon, polysilicon (for solar energy/semiconductors), as well as phosphorus and ferroalloys in submerged arc furnaces
- Serve the electrochemical industry: Act as anodes in electrolytic refining of metals like copper and gold for purification, or as current collectors in fuel cells to ensure stable electricity transmission
- Support specialized industries: Assist in high-temperature production of glass/ceramics (reducing energy consumption); also used in laboratory high-temperature experiments and electrochemical analysis
