Contact person: Mr. Lieber Lee
Position: manager
Address: Shouguang,Weifang, Shandong, China
Country: China
Phone: 19963447839 - Mobi:
300-500mm UHP graphite electrode
Price:
300-500mm UHP graphite electrode,UHP Graphite Electrodes,Oxidation Resistance Graphite Electrode,UHP Graphite Electrodes ManufacturerUHP Graphite ElectrodesOxidation Resistance Graphite ElectrodeUHP Graphite Electrodes ManufacturerElectric resistivity : 4.6-6.2
Bending strength: >=10.5
Elastic Modulus: <=14
Bulk density:1.66-1.73
Ash: <=0.3
CTE:1.20-1.50
Ultra high power graphite electrode is a graphite electrode with allowable current density greater than 25A/cm2 . UHP graphite electrode mainly used in ultra-high power steelmaking electric arc furnace.
Ultra High Power Graphite Electrode Current Carrying CapacityUltra High Power Graphite Electrode Current Carrying Capacity
Bending strength: >=10.5
Elastic Modulus: <=14
Bulk density:1.66-1.73
Ash: <=0.3
CTE:1.20-1.50
Ultra high power graphite electrode is a graphite electrode with allowable current density greater than 25A/cm2 . UHP graphite electrode mainly used in ultra-high power steelmaking electric arc furnace.
Ultra High Power Graphite Electrode Current Carrying CapacityUltra High Power Graphite Electrode Current Carrying Capacity
| Physical and Chemical Index of Ultra high Power Graphite Electrode | |||||
| Item | Unit | UHP | |||
| 300～500 | 550～600 | 700～800 | |||
| Electric Resistivity | Electrode | uΩ.m | 4.6～6.2 | 4.5～6.0 | 4.5～5.8 |
| Nipple | 3.5～5.0 | 3.4～4.5 | 3.3～4.3 | ||
| Bending Strength | Electrode | MPa | ≥10.5 | ≥10.0 | ≥10.0 |
| Nipple | ≥20.0 | ≥22.0 | ≥23.0 | ||
| Modulus of Elasticity | Electrode | GPa | ≤14.0 | ≤14.0 | ≤14.0 |
| Nipple | ≤20.0 | ≤22.0 | ≤22.0 | ||
| Bulk Density | Electrode | G/cm3 | 1.66～1.73 | 1.68～1.74 | |
| Nipple | 1.75～1.82 | 1.78～1.85 | |||
| Ash Content | Electrode | % | ≤0.3 | ||
| Nipple | |||||
| The Coefficient of Thermal Expansion(CTE) | Electrode | 10-6/℃ | 1.20～1.50 | 1.10～1.50 | |
| Nipple | 1.10～1.40 | 1.00～1.30 |
| UHP Graphite Electrode Current Carrying Capacity | |||
| Norminal Diameter | UHP | ||
| Current Carrying Capacity | Current Density | ||
| inch | mm | A | A/cm2 |
| 12 | 300 | 15000～22000 | 20～30 |
| 14 | 350 | 20000～30000 | 20～30 |
| 16 | 400 | 25000～40000 | 19～30 |
| 18 | 450 | 32000～45000 | 19～27 |
| 20 | 500 | 38000～55000 | 18～27 |
| 22 | 550 | 45000～65000 | 18～27 |
| 24 | 600 | 50000～75000 | 18～26 |
| 28 | 700 | 70000～120000 | 18～25 |
| 32 | 800 | ／ | ／ |
| Tolerance of Graphite Electrode Diameter and Length（mm) | |||||
| Nominal Diameter | Actural diameter | Length | |||
| in | mm | max | min | Black surface min | |
| 12 | 300 | 307 | 302 | 299 | 1800/2000 |
| 14 | 350 | 358 | 352 | 349 | 1800/2000/2200 |
| 16 | 400 | 409 | 403 | 400 | 1800/2000/2200 |
| 18 | 450 | 460 | 454 | 451 | 1800/2000/2200 |
| 20 | 500 | 511 | 505 | 502 | 2000/2200/2400 |
| 22 | 550 | 562 | 556 | 553 | 2000/2200/2400/2700 |
| 24 | 600 | 613 | 607 | 604 | 2200/2400/2700/3000 |
| 28 | 700 | 714 | 710 | 707 | 2200/2400/2700/3000 |
| 29 | 800 | 816 | 812 | 809 | 2200/2400/2700/3000 |
| Permissible Deviation of Graphite Electrode Length (mm) | ||||
| Nominal Length | Standard Deviation | Short Length Deviation | ||
| max | min | max | min | |
| 1800 | +100 | -100 | -100 | -275 |
| 2000 | +100 | -100 | -100 | -275 |
| 2200 | +100 | -100 | -100 | -275 |
| 2400 | +100 | -100 | -100 | -275 |
| 2700 | +200 | -150 | -150 | -275 |
| 3000 | +200 | -150 | -150 | -300 |
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