Điện cực than chì UHP cao cấp mật độ cao cho lò điện nấu thép

Mô tả Sản phẩm
* 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.

Areas of application	Smelt
Manufacturing processes	Machining
Country of origin	China
Brand	ST

Lợi thế sản phẩm Exceptional High-Temperature Resistance & Thermal StabilityGraphite 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 EfficiencyGraphite 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.Excellent Chemical Inertness & Corrosion ResistanceGraphite electrodes exhibit exceptional chemical inertness, resisting corrosion from most acids, alkalis, salts, and organic solvents at room temperature, even in harsh media like concentrated sulfuric acid and molten salts. In aluminum electrolysis's cryolite system, they operate stably for over 2000 hours without dissolution, ensuring aluminum product purity. In the chlor-alkali industry, they resist strong alkali corrosion during brine electrolysis, efficiently producing chlorine and caustic soda. Their high-temperature oxidation resistance forms a protective surface film, inhibiting internal oxidation and extending service life. Unlike metal electrodes requiring frequent anti-corrosion treatments, graphite cuts long-term maintenance costs and operational risks, making it indispensable for chemical and electrochemical industries.Outstanding Processability & Customization VersatilityGraphite electrodes offer exceptional machinability and flexible customization, adapting to diverse industrial equipment and process needs. Their soft texture enables precision processing via cutting, turning, and grinding, with diameters from 100mm to 700mm, lengths up to 2700mm, and custom thread sizes for different furnace types. In EDM, fine-grained graphite achieves micron-level precision (Ra 0.1μm surface roughness), 3–5 times more efficient than copper electrodes. Their self-lubricating property reduces tool wear, lowering manufacturing costs. High-purity grades (ash <5ppm) meet semiconductor thermal field requirements, while modular assembly via graphite joints suits large-scale furnaces. This versatility streamlines supply chains, reduces procurement costs, and ensures compatibility with existing and upgraded equipment, making it a future-proof industrial material.CÂU HỎI THƯỜNG GẶP1.Are you Factory or Trading?
We are factory with lSO 9001:2015 certified

2. How about the Capacity?
High output, with an annual output of 80,000 tons, timely delivery; guarantee delivery date

3.How to guarantee quality?
Always a pre-production sample before mass production; Always final inspection before shipment

4.What can we buy from you?
Graphite electrode,gpc, cpc and other graphite products

5.VVhat's the delivery time?
One weeks after got the deposit

6.What's the minimum order quantity?
18-20tons, one 20 fcl.