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High Power Graphite Electrodes
- Commodity name： High Power Graphite Electrodes
- Description
-
Overview
High Power (HP) Graphite Electrode is made of high quality petroleum coke and pitch coke, through the process of raw materials calcination, crushing and grinding, batching, mixing and kneading, molding, baking, impregnation, graphitization, machining, etc. The Graphite Electrode Nipples are made of 100% imported needle coke with three times impregnation and four times baking process. The product has the characteristics of low resistivity, good electrical conductivity and chemical stability. It can meet the needs of various high power electric arc furnaces and ladle refining furnaces for steel making.
Features
Higher purity, higher density, and great chemical stability;
Low coefficient of thermal expansion, resistance to cracking, spalling and thermal shock;
Higher mechanical strength and lower electrical resistivity; Higher machining accuracy and good surface finish;
The advanced antioxidant treatment process, low consumption, and long operation life.
Applications
High Power (HP) Graphite Electrodes are widely used in various DC/AC high power electric arc furnaces, ladle refining furnaces for smelting various alloy steels, etc.
Product parameters
Nominal Diameter Resistivity Density Flexure Strength Elastic Modulus Ash Content CTE Current Load Current Density (mm) (in) (≤, µΩ·m) （≥，g/cm 3） （≥，MPa） (≤, GPa) (≤, %) (100 °C – 600 °C) (A) (A/c㎡） 300 12 6 1.67-1.73 12 10.5 0.3 2 13000-17400 17-24 350 14 6 1.67-1.73 12 10.5 0.3 2 17400-24000 17-24 400 16 6 1.67-1.73 12 10.5 0.3 2 21000-31000 16-24 450 18 6 1.67-1.73 12 10.5 0.3 2 25000-40000 15-24 500 20 6 1.67-1.73 12 10.5 0.3 2 30000-48000 15-24 550 22 6 1.67-1.73 12 10.5 0.3 2 34000-53000 14-22 600 24 6 1.67-1.73 12 10.5 0.3 2 38000-58000 13-21 650 26 6.2 1.67-1.73 12 10.5 0.3 2 41000-65000 12-20 700 28 6.2 1.67-1.73 12 10.5 0.3 2 45000-72000 12-19
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