China Eaf Lf Ultra High Powder Graphite Electrode, Find details about China Graphite Electrode, Furnace Electrode from Eaf Lf Ultra High Powder Graphite Electrode
Product Name | EAF LF Ultra High Powder Graphite Electrode |
Nipple Type | 3TPI/4TPI/T4L |
Length | 1800mm/2000mm/2200mm/2400mm |
Current Load | 37000A-57000A |
Application | >HP Graphite electrode for submerged arc furnace. >HP graphite electrode for AC arc furnace. >HP graphite electrode for DC arc furnace. |
Product Advantage | >Anti-oxidation treatment for longevity. >High-purity,high-density,strong chemical stability. >High machining accuracy,good surface finishing. >High mechanical strength,low electrical resistance. >Resistant to cracking & spalling. >High resistance to oxidation and thermal shock. |
Graphite Electrode Specification And Allowable Deviation | |||||||
Nominal Diameter | Actual Diameter | Nominal Length | Permissible Deviation | ||||
mm | inch | max | min | mm | Short Length | ||
300 | 12 | 307 | 302 | 1600 1800 | Length | Maximum | Minimum |
350 | 14 | 357 | 352 | ±100 | -100 | -275 | |
400 | 16 | 409 | 403 | ||||
450 | 18 | 460 | 454 | ||||
500 | 20 | 511 | 505 | 1600/1800/ 2000/2200 1800/2000/ 2200 | ±100 | -100 | -275 |
550 | 22 | 556 | 553 | ||||
600 | 24 | 613 | 607 |
Permissible Current Load and Current Density Of Graphite Electrodes | ||||||
Nominal Diameter | Ordinary | High Power | Super High | |||
mm | Current Capacity(A) | Current Density A/cm2 | Current Capacity(A) | Current Density A/cm2 | Current Capacity(A) | Current Density A/cm2 |
200 | 5000-6900 | 15-21 | 5500-9000 | 18-25 | ||
250 | 7000-10000 | 14-20 | 8000-13000 | 18-25 | 9200-15100 | 21-30 |
300 | 10000-13000 | 14-18 | 13000-17400 | 17-24 | 13000-22000 | 20-30 |
350 | 13500-18000 | 14-18 | 17400-24000 | 17-24 | 20000-30000 | 20-30 |
400 | 18000-23500 | 14-18 | 21000-32000 | 16-24 | 25000-40000 | 19-30 |
450 | 22000-27000 | 13-17 | 25000-40000 | 15-24 | 32000-45000 | 19-27 |
500 | 25000-32000 | 13-16 | 30000-48000 | 15-24 | 38000-55000 | 18-27 |
550 | 32000-40000 | 13-16 | 37000-57000 | 15-23 | 48000-60000 | 18-24 |
600 | 38000-47000 | 13-16 | 44000-67000 | 15-23 | 52000-72000 | 18-24 |
700 | 45000-54000 | 13-16 | 54000-73000 | 15-23 | 62000-95000 | 18-24 |