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UHP Grade Needle Coke Diameter 600mm 2400mm Length Graphite Electrode In Stock For Sale
| Place of Origin | China |
|---|---|
| Brand Name | Chaoyo |
| Certification | QA/QC |
| Model Number | graphite electrode |
| Minimum Order Quantity | 25tons |
| Packaging Details | wooden pallet |
| Delivery Time | 10-15days |
| Payment Terms | TT/LC |
| Supply Ability | 3000 Metric Ton/Metric Tons per Month |
Product Details
| Application | EAF / LF | Diameter | 550mm |
|---|---|---|---|
| Length | 1800mm Length | Resistance (μΩ.m) | ≤6.5 |
| Apparent Density (g/cm³ ) | ≥1.65 | Thermal Expansion | ≤2.4 |
| Flexural Strength (N/㎡) | ≥10.5 | Type | Electrode Block |
| Grade | UHP (Ultra High Power) | Connect | 4TPI |
Product Description
UHP Grade Needle Coke Diameter 600mm 2400mm Length Graphite Electrode In Stock For Sale
Description:
Graphite Electrode is made of high-quality low ash materials, such as petroleum coke, needle coke and coal pitch.after calcining,burdening,kneading,forming,baking and pressure impregnation, graphitization and then precision machined with professional CNC machining.such of the products own characteristics with low resistivity, good electrical conductivity ,low ash, compact structure,good anti oxidation and high mechanical strength, Widely used in LF, EAF for steel making industry, Non-ferrous industry, silicon and phosphorus industry.so it is the best conductive material for electric arc furnace and smelting furnace.
Specification
|
TYPE
|
MAX Grain Size
μm |
Bulk Density
g/cc |
Specific Resistivity
μΩ·m |
Flexural Strength
Mpa |
Compressive Strength
Mpa |
Shore Hardness
|
C.T.E
(100-600℃) ×10-6℃ |
Ash
% |
|
MY-I
|
45
|
≥1.70
|
≤13.0
|
≥25.0
|
≥50.0
|
/
|
≤2.8
|
≤0.1
|
|
MY-II
|
45
|
≥1.78
|
≤12.0
|
≥30.0
|
≥60.0
|
/
|
≤3.2
|
≤0.1
|
|
MY-III
|
45
|
≥1.83
|
≤10.0
|
≥38.0
|
≥80.0
|
/
|
≤3.5
|
≤0.1
|
|
MY-IV
|
45
|
≥1.88
|
≤9.0
|
≥42.0
|
≥90.0
|
/
|
≤3.8
|
≤0.07
|
|
YXDJY-C1
|
22
|
≥1.78
|
≤10.0
|
≥38.0
|
≥70.0
|
≥42.0
|
≤3.9
|
≤0.07(Normal)
≤0.005(Purified) |
|
YXDJY-C2
|
22
|
≥1.80
|
≤15.0
|
≥37.0
|
≥78.0
|
≥50.0
|
≤4.0
|
≤0.07(Normal)
≤0.005(Purified) |
|
YXDJY-Y3
|
22
|
≥1.83
|
≤13.0
|
≥40.0
|
≥80.0
|
≥50.0
|
≤3.9
|
≤0.07(Normal)
≤0.005(Purified) |
|
YXDJY-W5
|
22
|
≥1.85
|
≤12.0
|
≥45.0
|
≥90.0.
|
≥58.0
|
≤4.3
|
≤0.07(Normal)
≤0.005(Purified) |
|
YXDJY-Q
|
10
|
≥1.85
|
≤14.0
|
≥50.0
|
≥105.0
|
≥60.0
|
≤4.1
|
≤0.07(Normal)
≤0.005(Purified) |
|
YXDJY-B
|
10
|
≥1.88
|
≤14.0
|
≥58.0
|
≥129.0
|
≥65.0
|
≤4.0
|
≤0.07(Normal)
≤0.005(Purified) |
|
YXEDM-1
|
18
|
≥1.80
|
≤15.0
|
≥37.0
|
≥80.0
|
≥55.0
|
≤4.2
|
≤0.07
|
|
YXEDM-2
|
18
|
≥1.85
|
≤14.0
|
≥40.0
|
≥86.0
|
≥60.0
|
≤4.5
|
≤0.07
|
|
YXEDM-3
|
10
|
≥1.80
|
≤15.0
|
≥45.0
|
≥90.0
|
≥65.0
|
≤4.8
|
≤0.07
|
|
YXEDM-4
|
7
|
≥1.85
|
≤15.0
|
≥48.0
|
≥98.0
|
≥65.0
|
≤5.0
|
≤0.07
|
Application:
Graphite electrodes are used mainly in ladle furnaces,electric-arc furnace steelmaking,Yellow phosphorus furnace , Industrial silicon furnace or melting copper. They are presently the only products available that have the high levels of electrical conductivity and the capability of sustaining the extremely high levels of heat generated in this demanding environment.High Quality Needle Coke in HP&UHP graphite electrode,ensure the electrode application is perfect. Graphite electrodes are also used to refine steel in ladle furnaces and in other smelting processes.
Properties:
1. Good electrical conductivity.
2. Strong thermal shock resistance.
3. High mechanical strength.
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
Exceptional High-Temperature Resistance & Thermal Stability
Graphite electrodes deliver unrivaled high-temperature performance, with a sublimation temperature of 3650–3697°C, enabling stable operation above 2500°C—far exceeding metal electrodes' heat resistance limits. Their ultra-low thermal expansion coefficient (just 1/40 of steel) grants excellent thermal shock resistance, preventing cracking during rapid temperature swings in smelting or frequent equipment startups. Premium needle coke raw materials optimize their crystal structure, boosting stability and service life in ultra-high-power applications. In electric arc furnace steelmaking, they maintain structural integrity at 3000°C arc temperatures, while in silicon pulling furnaces, they ensure precise temperature control, elevating crystal yield. This reliability minimizes downtime, enhances production continuity, and delivers long-term value for metallurgical and high-temperature industrial processes.
Superior Electrical Conductivity & Energy Efficiency
Graphite electrodes feature outstanding electrical conductivity, driven by their hexagonal crystal structure with free-moving electrons, resulting in ultra-low resistivity (as low as 5.5 μΩ·m for premium grades). This minimizes power loss during current transmission, cutting energy consumption significantly. In electric arc furnace steelmaking, practical data shows they reduce unit power use by 15% and shorten smelting time by 20%, lowering costs per ton of steel. Their excellent thermal conductivity (100–150 W/(m·K)) dissipates heat efficiently, avoiding local overheating and extending service life. Unlike metal electrodes that degrade at high currents, graphite maintains stable conductivity long-term, reducing replacements and maintenance. Aligned with global decarbonization goals, they are the ideal energy-saving choice for green industrial transformation.
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
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