China 700mm UHP Graphite Electrode for Arc Furnaces with 3tpi 4tpi Nipple, Find details about China Graphite Electrode, Furnace Electrode from China 700mm UHP Graphite Electrode for Arc Furnaces with 3tpi 4tpi Nipple
Product Name | China 700mm uhp Graphite Electrode for arc furnaces with 3TPI 4TPI nipple |
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 |