Normal Power Graphite Electrode
Graphite electrode is a conductive material that is resistant to high temperature oxidation and corrosion.Graphite electrode is usually used in electric arc furnaces to smelt steel, mineral heating furnaces (production of ferroalloys, metallic silicon, phosphorus, bronze calcium carbide, etc.), and resistance furnaces, graphitization furnaces, glass melting furnaces, electric melting furnaces to produce silicon carbide, etc.
| MOQ | 30 tons |
|---|---|
| Views | 68 |
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墨邦新材
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CN Handan, Hebei Province
Graphite click RP/HP/UHP, carburetor
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graphite electrode specifications and allowable deviations
| graphite electrode specifications and allowable deviations | |||||||
| Diameter (mm) | Length (mm) | ||||||
| Realistic diameters | Nominal length | ALLOWANCE | |||||
| mm | inch | Max | min | mm | Short Ruler Length | ||
| 300 | 12 | 307 | 302 | 1600 1800 | LENGTH | Max | Min. |
| 350 | 14 | 357 | 352. | 55 | -100 | 275 | |
| 400 | 16 | 409 | 403 | ||||
| 450 | 18 | 460 | 454 | ||||
| 500 | 20 | 511 | 505 | 1600-1800 2000-2200 1800 * 2000 2200 | 55 | -100 | 275 |
| 550 | 22 | 556 | 553 | ||||
| 600 | 24 | 613 | 607 | ||||
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regular power (RP) graphite electrode physical and chemical indicators
| regular power (RP) graphite electrode physical and chemical indicators | |||||
| Item | Module | electrode diameter 300-600mm | |||
| Standardization | Measured Actual measurement | ||||
| electrode | nipple | electrode | nipple | ||
| Resistance | 9.0-10.5 | 8.5 | 8.0-9.0 | 6.5 | |
| flexural strength | MPa | 6.4-7.8 | 13 | ∅9.0～10 | 15 |
| Elastic mold | 9.3 | 14 | 9 | 13.7 | |
| Ash Content | % | 0.3 | 0.3 | 0.3 | 0.3 |
| Body Dense | g/cm3 | 1.52 | 1.68 | 1.56-1.62 | 1.7 |
| coefficient of thermal expansion (100-600℃) | x10 φφ/℃ | 2.9 | 2.8 | 2.4 | 2.2 |
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electrode surface quality
| electrode surface quality | ||
1, electrode surface defects or holes not more than two, its size does not exceed the following table. 2. There is no transverse crack on the surface of the electrode, and the longitudinal crack is 0.3-1.0 mm wide, and its length is not greater than 5% of the circumference of the electrode. Longitudinal cracks with a width of not less than 0.3mm are not counted. 3. The area of black skin on the surface of electrode is less than 1/10 of the circumference of electrode and less than 1/3 of the length of electrode. | ||
| Defects\ Specifications | Nominal Diameter (mm) | |
| 300-400 | 450-600 | |
| Diameter | 20-40 | 30-50 |
| In Depth | 5×10 | 10:15 AM |
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allowable current of electrode
| allowable current of electrode | |||
| Allowable Current Capacity (A) | Current density | ||
| mm | inch | ||
| 300 | 12 | 10000-13000 | 14 – 18 |
| 350 | 14 | 13500-18000 | 14 – 18 |
| 400 | 16 | 18000-23500 | 14 – 18 |
| 450 | 18 | 22000-27000 | 13/17 |
| 500 | 20 | 25000-32000 | 13-16 |
| 600 | 24 | 30000-36000 | 12:15 |
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Note: It is recommended that the current capacity be -10% for electric furnaces and +10% for ladle furnaces.