Product Overview
High-quality graphite cathode blocks are essential refractory components in electric arc furnaces and submerged arc furnaces for smelting metals and producing ferroalloys. Our graphite cathodes provide excellent electrical conductivity, high temperature resistance, and good thermal shock resistance, ensuring stable furnace operation and long service life in demanding smelting applications.
Key Features
- High electrical conductivity for efficient furnace operation
- High temperature resistance up to 2000°C
- Excellent thermal shock resistance
- Low ash content for reduced contamination
- Precision machined to exact dimensions
- Available in various grades for different furnace types
- Custom sizes and configurations available
Technical Specifications
| Parameter | Unit | Standard Grade | High Power Grade |
|---|---|---|---|
| Bulk Density | g/cm³ | 1.55 | 1.68 |
| Electrical Resistivity | μΩ·m | 12 | 9 |
| Flexural Strength | MPa | 12 | 18 |
| Compressive Strength | MPa | 25 | 35 |
| Shore Hardness | - | 45 | 55 |
| Ash Content | % | <0.5 | <0.3 |
| Max Current Density | A/cm² | 15 | 25 |
| Max Size | mm | 1200x500x3000 | 1200x500x3000 |
Applications
- Electric arc furnace cathode blocks
- Submerged arc furnace for ferroalloy production
- Electric smelting furnace for non-ferrous metals
- Calcium carbide furnace linings
- Silicon metal production furnaces
- Phosphorus production electrodes
- Mineral thermal furnace applications
Why Choose Jincheng Graphite Cathodes?
We supply graphite cathode blocks and electrodes for smelting furnaces worldwide. Our graphite products are manufactured from high-quality petroleum coke and pitch coke, processed through graphitization to ensure consistent electrical and mechanical properties. We work with smelting plants and refractory suppliers to provide reliable graphite consumables that improve furnace efficiency and reduce operational costs.
FAQ
Q: What is the typical service life of graphite cathode blocks?
A: Service life depends on furnace type, operating current, and process conditions. Typical lifespan ranges from 2 to 5 years for properly operated smelting furnaces. Higher current densities and aggressive slag conditions will shorten cathode life.
Q: Can you provide large format cathode blocks?
A: Yes, we can supply graphite cathode blocks in sizes up to 1200mm x 500mm x 3000mm. For larger dimensions, we can provide multiple blocks that can be assembled on-site. Please specify your requirements and we will recommend the best solution.
Q: Do you offer both standard and high-power grades?
A: Yes, we offer a range of graphite grades from standard power to high power and ultra-high power. Our technical team can help you select the optimal grade based on your furnace type, operating current, and budget requirements.
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