400mm-800mm HP Graphite Electrodes for Steelmaking with 25A/cm² Current Density and ≤0.25% Ash Content
Price:
1450-3000 USD/ ton
MOQ:
20Tons
Delivery Time:
15-30days
Brand:
HUATAO
Product Description
Product Overview
Engineered for superior conductivity and extended lifespan, our HP Graphite Electrodes optimize metallurgical operations by reducing consumption and enhancing efficiency in high-power electric furnaces.
Key Features & Benefits
- Withstands current densities up to 25A/cm² for high-power applications
- Ultra-low ash content ≤0.25% reduces impurities during smelting
- Low thermal expansion coefficient mitigates thermal stress and fracture risk
- Specialized anti-oxidation coating extends electrode lifespan
- High mechanical strength ensures integrity under rigorous operating conditions
- Manufactured using premium needle coke and high-grade coal tar pitch
Technical Specifications
HP Graphite Electrode Properties
| Parameter | Unit | 350-500mm |
|---|---|---|
| Specific Resistance (Electrode) | μΩ·m | ≤7.5 |
| Bending Strength (Electrode) | MPa | ≥10.0 |
| Young's Modulus (Electrode) | GPa | ≤14.0 |
| Bulk Density (Electrode) | g/cm³ | 1.60 |
| CTE (100℃-600℃) | 10⁻⁶/℃ | ≤2.4 |
| Ash Content | % | ≤0.5 |
Standard Sizes & Tolerances
| Diameter × Length | Max Diameter (mm) | Min Diameter (mm) |
|---|---|---|
| 350×1500mm | 357 | 352 |
| 400×1500mm | 409 | 403 |
| 450×1800mm | 460 | 454 |
| 500×1800mm | 511 | 505 |
| 550×2100mm | 562 | 556 |
| 600×2400mm | 613 | 607 |
| 650×2700mm | 663 | 657 |
| 700×2700mm | 714 | 708 |
Recommended Operation Current
| Diameter | HP Graphite Electrode (Ampere) |
|---|---|
| 350mm | 19,000 - 28,000 |
| 400mm | 23,000 - 35,000 |
| 450mm | 30,000 - 42,000 |
| 500mm | 35,000 - 50,000 |
| 550mm | 35,000 - 55,000 |
| 600mm | 40,000 - 62,000 |
| 650mm | 45,000 - 72,000 |
| 700mm | 48,000 - 75,000 |
Recommended Tightening Torque
| Electrode Diameter (mm) | Torque (N·m) |
|---|---|
| 300 | 900 |
| 350 | 1300 |
| 400 | 1550 |
| 450 | 1850 |
| 500 | 2400 |
| 550 | 2750 |
| 600 | 3800 |
| 650 | 4300 |
| 700 | 5200 |
Applications
HP Graphite Electrodes are essential components for modern high-power electric arc furnaces in steelmaking, ferrous alloy production, stainless steel manufacturing, and other demanding metallurgical processes requiring high productivity and cost-effective operations.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
HUATAO LOVER LTD
Location
NO.298th of ZHONGHUA NORTH STREET,SHIJIAZHUANG CITY,CHINA.
Contact Person
Maple