It is widely used in electric arc furnaces and submerged arc furnaces to smelt various alloy steels, yellow phosphorus, industrial silicon, brown corundum, and other alloy and non-metallic materials.


Graphite Electrode Technical data | |||||||
Specification | RP | HP | UHP | ||||
φ200-300 | φ350-600 | φ200-400 | φ450-600 | φ250-400 | φ450-600 | ||
Electrical Resistivity μ Ω.m ≤ | Electrode | 8.5 | 6.5 | 5.5 | |||
Nipple | 6.5 | 5.5 | 4.5 | ||||
Bulk Density g/cm3 ≥ | Electrode | 1.53 | 1.52 | 1.62 | 1.6 | 1.67 | 1.66 |
Nipple | 1.69 | 1.73 | 1.75 | ||||
Flexural Strength ≥Mpa | Electrode | 8.5 | 7 | 10.5 | 9.8 | 11 | |
Nipple | 15 | 16 | 20 | ||||
Elastic Modulus Gpa ≤ | Electrode | 9.3 | 12 | 14 | |||
Nipple | 14 | 16 | 18 | ||||
Ash % ≤ | Electrode | 0.5 | 0.3 | 0.3 | |||
Nipple | 0.5 | 0.3 | 0.3 | ||||
CTE(100ºC-600ºC) 10 -6/ºC ≤ | Electrode | 2.9 | 2.4 | 1.5 | |||
Nipple | 2.7 | 2.2 | 1.4 |
Nominal Diameter | Actual Diameter | Nominal Length | ||
Max | Min | Black Min | ||
75 | 78 | 73 | 72 | 1000/1200/1400/1600 |
100 | 103 | 98 | 97 | 1000/1200/1400/1600 |
130 | 132 | 127 | 126 | 1000/1200/1400/1600 |
150 | 154 | 149 | 146 | 1200/1400/1600/1800 |
175 | 179 | 174 | 171 | 1200/1400/1600/1800 |
200 | 205 | 200 | 197 | 1600/1800 |
225 | 230 | 225 | 222 | 1600/1800 |
250 | 256 | 251 | 248 | 1600/1800/2000 |
300 | 307 | 302 | 299 | 1600/1800/2000/2200 |
350 | 358 | 352 | 349 | 1600/1800/2000/2200 |
400 | 409 | 403 | 400 | 1600/1800/2000/2200 |
450 | 460 | 454 | 451 | 1600/1800/2000/2200 |
500 | 511 | 505 | 502 | 1800/2000/2200/2400 |
550 | 562 | 556 | 553 | 2000/2200/2400/2700 |
600 | 613 | 607 | 604 | 2000/2200/2400/2700 |
650 | 663 | 659 | 656 | 2000/2200/2400/2700 |
700 | 714 | 710 | 707 | 2000/2200/2400/2700 |
750 | 765 | 761 | 758 | 2000/2200/2400/2700 |
800 | 816 | 812 | 809 | 2000/2200/2400/2700 |
Nominal Diameter | Nipple | Socket Plug | Pitch | |||||||||
D | L | d2 | 1 | d1 | H | |||||||
225 | 139.7 | 0-0.5 | 203.2 | 0-1 | 90.73 | 0-5 | <10 | 131.27 | +0.5 | 107.6 | +70 | 3TPI 8.47 |
250 | 155.57 | 220 | 103.8 | 147.14 | 116 | |||||||
300 | 177.16 | 270.9 | 116.9 | 168.73 | 141.5 | |||||||
350 | 215.9 | 304.8 | 150 | 207.47 | 158.4 | |||||||
400 | 215.9 | 304.8 | 150 | 207.47 | 158.4 | |||||||
241.3 | 338.7 | 169.8 | 232.87 | 175.3 | ||||||||
450 | 241.3 | 338.7 | 169.8 | 232.87 | 175.3 | |||||||
273.05 | 355.6 | 198.7 | 264.62 | 183.8 | ||||||||
500 | 273.05 | 355.6 | 198.7 | 264.62 | 183.8 | |||||||
298.45 | 372.6 | 221.3 | 290.02 | 192.2 | ||||||||
550 | 298.45 | 372.6 | 221.3 | 290.02 | 192.2 | |||||||
75 | 46.04 | 0-0.5 | 76.2 | 0-1 | 20.8 | 0-5 | <7 | 39.72 | +0.5 | 44.1 | +70 | 4TPI 6.35 |
100 | 69.85 | 101.6 | 40.3 | 63.53 | 56.8 | |||||||
130 | 79.38 | 127 | 45.6 | 73.06 | 69.5 | |||||||
150 | 92.08 | 139.7 | 56.2 | 85.76 | 75.9 | |||||||
200 | 122.24 | 177.8 | 80 | 115.92 | 94.9 | |||||||
225 | 139.7 | 177.8 | 97.46 | 133.38 | 94.9 | |||||||
250 | 152.4 | 190.5 | 108 | 146.08 | 101.3 | |||||||
300 | 177.8 | 215.9 | 129.2 | 171.48 | 114 | |||||||
350 | 203.2 | 254 | 148.2 | 196.88 | 133 | |||||||
400 | 222.25 | 304.8 | 158.8 | 215.93 | 158.4 | |||||||
222.25 | 355.6 | 150 | 215.93 | 183.8 | ||||||||
450 | 241.3 | 304.8 | 177.9 | 234.98 | 158.4 | |||||||
241.3 | 355.6 | 169.42 | 234.98 | 183.8 | ||||||||
500 | 269.88 | 355.6 | 198 | 263.56 | 183.8 | |||||||
269.88 | 457.2 | 181.08 | 263.56 | 234.6 | ||||||||
550 | 298.45 | 355.6 | 226.58 | 292.13 | 183.8 | |||||||
298.45 | 457.2 | 209.58 | 292.13 | 234.6 | ||||||||
600 | 317.5 | 355.6 | 245.63 | 311.18 | 183.8 | |||||||
317.5 | 457.2 | 228.7 | 311.18 | 234.6 | ||||||||
650 | 355.6 | 457.2 | 226.79 | 349.28 | 234.6 | |||||||
355.6 | 558.8 | 249.86 | 349.28 | 285.4 | ||||||||
700 | 374.65 | 457.2 | 285.84 | 368.33 | 234.6 | |||||||
374.65 | 558.8 | 268.91 | 368.33 | 285.4 | ||||||||
750 | 406.4 | 584.2 | 296.42 | 400.08 | 298.1 | |||||||
406.4 | 609.6 | 292.19 | 400.08 | 310.8 | ||||||||
800 | 431.8 | 635 | 313.36 | 425.48 | 323.5 | |||||||
431.8 | 685.8 | 304.89 | 425.48 | 348.9 |
Suggested current capacity and current density | |||||||||||
unit:mm | 200 | 225 | 250 | 300 | 350 | 400 | 450 | 500 | 550 | 600 | |
RP | current carrying capacity (A) | 5000-6900 | 6100-8600 | 7000-10000 | 10000-13000 | 13500-18000 | 18000-23500 | 22000-27000 | 25000-32000 | 32000-40000 | 38000-47000 |
current density (A/cm²) | 15-21 | 15-21 | 14-20 | 14-18 | 14-18 | 14-18 | 13-17 | 13-16 | 13-16 | 13-16 | |
HP | current carrying capacity (A) | 5500-9000 | 6500-10000 | 8000-13000 | 13000-17400 | 17400-24000 | 21000-31000 | 25000-40000 | 30000-48000 | 37000-57000 | 44000-67000 |
current density (A/cm²) | 18-25 | 18-25 | 18-25 | 17-24 | 17-24 | 16-24 | 15-24 | 15-24 | 15-23 | 15-23 | |
UHP | current carrying capacity (A) | / | / | 8100-12200 | 15000-22000 | 20000-30000 | 25000-40000 | 38000-55000 | 38000-55000 | 42000-66000 | 49000-76000 |
current density (A/cm²) | / | / | 20-30 | 20-30 | 20-30 | 19-30 | 18-27 | 18-27 | 17-26 | 17-26 |



- graphite electrode RP/HP/UHP
- graphite petroleum coke
- calcined petroleum coke
- calcined anthracite (carbon raiser)
- gas calcined anthracite(GCA)
- electrical calcined anthracite(ECA)
- silicon carbide
- graphite electrode powder
- graphite electrode block
- Fine Grain Graphite and Medium Grain Graphite
- Isostatic pressing graphite
- Moulded graphite
- graphite crucible
- baked anode block.
- side products of graphite
- used graphite block
- used graphite electrode





QI: Do you have brochure?
A: Yes. Please contact us to get the E-brochure by email or trademanger or Skype or whatsapp.
Q2: Can we visit your factory?
A: Yes. Welcome to visit us.
Q3:What's the goods quality?
A: Yes. We do 100% test the goods before the shipment
Q4: What's the MOQ?
A: 1 ton, 5tnos, 10tons or 20tons...It's negotiable.
Q5: What's the Delivery Time?
A:It's about 10-30 days afer get the payment.but please check with us for the stock in advance.
Q6: Can we test sample first?
A: Yes. but the freight is required. You can also test the goods at our factory before dispatch.
High quality, good service, and competitive price!
We are looking forward to cooperating with you in near future!