Graphite Electrode HP
Graphite electrode hp refers to the graphite electrode that allows the use of a current density of 18 ~ 25A / cm2. Graphite electrode hp has good electrical properties and chemical stability. HP graphite electrode has advantages of high mechanical strength, low impurity content and good vibration resistance. hp graphite electrodes is widely used in steelmaking electric furnace, refining furnaces, production of ferroalloy, industrial silicon, yellow phosphorus, corundum , submerged arc furnaces.
Graphite Electrode HP Description
HP graphite electrode mainly petroleum coke, needle coke as raw material, coal tar as binder, after calcination, ingredients, kneading, pressing, roasting, graphitization, machining and made. and graphite electrodes hp with oxidation resistance, low resistivity, acid and alkali corrosion, high efficiency and energy saving, low loss and other characteristics.
Properties of Graphite Electrode HP
.Graphite electrode
.Flexural Strength
.High power
Advantages of Graphite Electrode HP
.High purity and high density, high mechanical, strength strong, chemical stability,
.The surface can be used for the long life of anti oxidation treatment,
.High temperature resistance, corrosion resistance, strong acid resistance,
.Excellent resistance to thermal shock and conduction,
Technical Characteristics of Graphite Electrode HP
| Name | Unit | diameter of electrode 300mm-600mm | |||
| standard | Actual measurement | ||||
| Electrode | Nipple | Electrode | Nipple | ||
| Specific electrical resistivity | μOhm • m | 7.0-7.5 | 6.5. | 6.5-7.0 | 6th |
| Limit of mechanical resistance to bending | MPa | 9.8-10.5 | 14 | 12-15 | 15-18 |
| Elastic modulus | GPa | 12 | 16 | 12 | 14 |
| Ash content, not more than | % | 0.3 | 0.3 | 0.3 | 0.3 |
| Bulk density, not less than | g / cm3 | 1.6 | 1.7. | 1.68-1.73 | 1.75 |
| Thermal coefficient of linear expansion | × 10-6 / ℃ | 2.4 | 2.2 | 2.2 | 2 |
The Length & Diameter & Permissible Deviation of Graphite Electrode HP
| Diameter | Length | ||||||
| Nominal diameter | Actual diameter | Nominal length | tolerance | ||||
| Millimeters (mm) | Inch (inch) | Max. (Max.) | Min (min) | mm | Length | the maximum | |
| 300 | 12 | 307 | 302 | 1600 1800 | ± 100 | -100 | -275 |
| 350 | 14 | 357 | 352 | ||||
| 400 | 16 | 409 | 403 | ||||
| 450 | 18 | 460 | 454 | ||||
| 500 | 20 | 511 | 505 | 1600/1800/2000/2200 1800/2000/2200 1800/2000/2200/2400 1800/2000/2200 1800/2000/2200 |
± 100 | -100 | -275 |
| 550 | 22 | 556 | 553 | ||||
| 600 | 24 | 613 | 607 | ||||
Graphite Electrode HP Current Capacity
| Nominal diameter | Permissible current power | The current density (A / cm2) | |
| Millimeter (mm) | Inch (inch) | ||
| 300 | 12 | 10000-13000 | 17-24 |
| 350 | 14 | 13500-18000 | 17-24 |
| 400 | 16 | 18000-23500 | 16-24 |
| 450 | 18 | 22000-27000 | 16-24 |
| 500 | 20 | 25000-32000 | 15-24 |
| 600 | 24 | 30000-36000 | 14-24 |
Applications of Graphite Electrode HP
Graphite electrodes hp can be widely used in the electric smelting furnace for producing the ferroalloy, pure silicon, yellow phosphorus, copper matte, calcium carbide and so on.
HP Graphite electrodes also can be widely used in the electrical resistance furnace for glass melting, silicon carbide making, graphite product manufacturing.
Graphite Electrode HP Manufacturer from RS Refractory Factory
RS refractory factory is a professional Graphite electrodes hp supplier that established in the early 90s of twenty century. RS refractory factory has specialized in Graphite electrode hp for more than 20 years. if you have some demand of HP graphite electrodes, or have some questions on Graphite electrode hp about physical and chemical indicators, please contact us for free. and Rs refractory factory as a professionalacid HP graphite electrodes manufacturer in china, has some competitive advantages as follows:
Competitive Price: Make the products competitive in your market,
Abundant Experience: Prevent cracks and twist in bricks,
Different Moulds: Save mould fees for you,
Strict Quality Control: Meet clients’ quality requirement,
Large stocks: Guarantee prompt delivery,
Professional Packing: Avoid damage and secure the goods in transportation.
