Shida 28 Inch Eaf Graphite Electrodes 700mm Uhp For Eaf High Bulk Density
Shida Carbon Graphite Electrode , 700mm UHP for EAF , High Bulk Density
Sichuan Guanghan Shida Carbon Co., Ltd. ,established in 1990, is a high-tech company, professional production of graphite electrode 30 years. The range of graphite electrode is 450-700mm diameter with RP,HP,UHP grade. Especially UHP600,UHP650 and UHP700 are our main sales products.
Graphite electrode is widely used in electric arc furnace (EAF), ladle furnace(LF) for steel making and submerged arc furnace (SAF). The good performance and low consumption of graphite electrodes can reduce users' large cost.
specific Electrical Resistance (SER or ER): low specific resistance of graphite electrodes allows maximum current carrying capability without overheating of the electrode column.
Bulk density: a higher bulk density will generally be reflected in improved mechanical properties
Flexural strength, higher flexural strength in electrodes will generally result in lower
electrode breakage frequency.
Coefficient of Thermal Expansion (CTE): lower CTE will generally give better resistance to thermal shock. Also, CTE compatibility between the graphite electrode and connecting nipple is important for satisfactory performance of the electrode joint.
Shida Carbon Environment Protection
By adoping environment protection measures and innocations, Shida has waste-heat power generation system, the polution problem of Benzo from baking gas which has puzzled the carbon industry for a long time, has been thoroughly solved by us. Shida carbon has been become a benchmark in energy saving and environmental protection of the whole carbon industry.
The highest level of energy saving and environmental protection: By our independent integration and innovation, the car-bottom baking furnace was creatively designed and built with a tail gas incineration and waste-heat power generation system, which effectively solved the pollution problems.
Shida disgn and research:
more than 30 patents of graphite electrode and fine carbon production;
National Torch Program;
National Science & Technology Progress Award (2nd Class);
Key Technology Centre of Sichuan Province;
Shida Carbon Lab Properties for UHP700mm Graphite Electrode
| Nipple | |||||
| Nipple | AD | SPR | MOR | MOE | CTE//cmcmC |
| (gm/cc) | (ohm Micro mtr) | (Nmm2) | ( kg/mm2) | x10-7(0-50℃) | |
| g/cm3 | µΩ.m | MPa | GPa | 10-6/℃ | |
| (100-600℃) | |||||
| MAX | 1.83 | 3.6 | 27 | 16 | 1.1 |
| MIN | 1.8 | 3.2 | 23 | 17.5 | 0.98 |
| Pole | |||||
| Electrode | AD | SPR | MOR | MOE | CTE//cmcmC |
| (gm/cc) | (ohm Micro mtr) | (Nmm2) | ( kg/mm2) | x10-7(0-50℃) | |
| g/cm3 | µΩ.m | MPa | GPa | 10-6/℃ | |
| (100-600℃) | |||||
| MAX | 1.74 | 5 | 12 | 10.5 | 1.25 |
| MIN | 1.71 | 4.5 | 9.5 | 9 | 1.15 |
Shida Carbon General Technician Properties:
| Item | Unit | UHP | HP | RP | UHP Nipple | HP Nipple | |||
| 450-500mm | 550-700mm | 450-500mm | 550-700mm | 400-450mm | 500-700mm | ||||
| Bulk Density | g/cm3 | 1.66-1.73 | 1.68-1.75 | 1.60-1.70 | 1.62-1.72 | 1.55-1.65 | 1.54-1.64 | 1.80-1.85 | 1.72-1.80 |
| Resistivity | μΩm | 4.8-6.0 | 4.5-5.8 | 5.2-7.5 | 5.5-7.2 | 7.5-9.0 | 8.0-9.5 | 3.0-4.3 | 4.0-6.0 |
| Flexual Strength | MPa | 10.5-15.0 | 10.0-14.0 | 10.5-14.5 | 9.0-13.5 | 8.0-11.0 | 7.0-10.0 | 20.0-30.0 | 18.0-25.0 |
| Elastic Modulus | GPa | 8.0-10.0 | 8.0-12.0 | 6.0-9.3 | 16.0-20.0 | 12.0-16.0 | |||
| CTE (30-600) | 10-6/℃ | ≤1.5 | ≤2.2 | ≤2.8 | ≤1.3 | ≤2.0 | |||
| Ash Content | % | ≤0.3 | ≤0.3 | ≤0.5 | ≤0.3 | ≤0.3 | |||
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