Welcome to Haihan Industry Inc.
haihan@86graphite.com
+86-533-2778615 8657600
+86-533-2778615 / 8657600
Fax：+86-533-2778515
E-mail：haihan@86graphite.com
Add: 15/F, Block B, Yulong Building,Zhangdian, Zibo 255000, Shandong, China
COPYRIGHT © 2019 HAIHAN INDUSTRY INC. ALL RIGHTS RESERVED POWERED 国际站建设：中企动力 淄博 鲁ICP备2021031627号-1
Graphite Eletrode
Graphite Electrodes are made from high quality domestic calcined petroleum coke and high quality imported needle petroleum coke, are widely used in Electric Arc Furnaces, Mineral-Heated Furnaces to make alloy steel, other metallic and nonmetallic materials, etc.
Physical Properties:
| Item | Regular Power | High Power | Ultra High Power | ||||
| Unit | 150-200mm | 225-350mm | 400-500mm | ||||
|
Specific
Resistance (max.)
|
Electrode | μΩ-m | 9.0 | 9.0 | 9.0 | 7.0 | 6.0 |
| Nipple | 7.5 | 7.5 | 7.5 | 5.5 | 5.0 | ||
| Bending Strength (min.) | Electrode | MPa | 9.8 | 7.8 | 6.4 | 10.5 | 10.5 |
| Nipple | 13.0 | 13.0 | 13.0 | 14.0 | 16.0 | ||
| Elastic Modulus (max.) | Electrode | GPa | 9.3 | 9.3 | 9.3 | 12.0 | 14.0 |
| Nipple | 13.7 | 13.7 | 13.7 | 14.0 | 15.0 | ||
|
Bulk Density
(min.)
|
Electrode | g/cm3 | 1.52 | 1.52 | 1.52 | 1.60 | 1.65 |
| Nipple | 1.63 | 1.68 | 1.68 | 1.70 | 1.72 | ||
| CTE (max.) | Electrode | x10-6/℃ | 2.9 | 2.9 | 2.9 | 2.4 | 1.5 |
| Nipple | 2.7 | 2.8 | 2.8 | 2.2 | 1.4 | ||
| Ash (max.) | % | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | |
Specification and Tolerance:
| Diameter | Length | |||||
| Nominal diameter | Actual diameter | Nominal length | Tolerance | |||
| mm | inch | Maximum | Minimum | mm | Length (mm) | Short length (mm) |
| 150 | 6 | 154 | 149 | 1600 | +/-100 | -275 |
| 200 | 8 | 205 | 200 | |||
| 225 | 9 | 230 | 225 | |||
| 250 | 10 | 256 | 251 | (1600) 1800 | ||
| 300 | 12 | 307 | 302 | |||
| 350 | 14 | 357 | 352 | |||
| 400 | 16 | 409 | 403 |
(1600) 1800
2000 2200 2400 |
||
| 450 | 18 | 460 | 454 | |||
| 500 | 20 | 511 | 505 | |||
Note: Other sizes can be provided upon customer's requirement.
Current Carrying Capacity:
| Nominal diameter | Regular Power | High Power | Ultra High Power | ||||
| mm | inch |
Current
carrying capacity (A)
|
Current
density (A/cm2)
|
Current
carrying capacity(A)
|
Current
density (A/cm2)
|
Current
carrying capacity(A)
|
Current density (A/cm2) |
| 150 | 6 | 3000-4500 | 16-25 | ||||
| 200 | 8 | 5000-6900 | 15-21 | 5500-9000 | 18-25 | ||
| 225 | 9 | 6000-8000 | 14-20 | 6500-10000 | 18-25 | ||
| 250 | 10 | 7000-10000 | 14-20 | 8000-13000 | 18-25 | ||
| 300 | 12 | 10000-13000 | 14-18 | 13000-17400 | 17-24 | 15000-22000 | 20-30 |
| 350 | 14 | 13500-18000 | 14-18 | 17400-24000 | 17-24 | 20000-30000 | 20-30 |
| 400 | 16 | 18000-23500 | 14-18 | 21000-31000 | 16-24 | 25000-40000 | 19-30 |
| 450 | 18 | 22000-27000 | 13-17 | 25000-40000 | 15-24 | 32000-45000 | 19-27 |
| 500 | 20 | 25000-32000 | 13-16 | 30000-48000 | 15-24 | 38000-55000 | 18-27 |
Dimension of 3TPI Nipple:
| 3TPI | Diameter | Nipple (mm) | Socket (mm) | Pitch(mm) | ||||||||||
| inch | mm | D | L | d2 | 1 | d1 | H | 8.47 | ||||||
| 9 | 225 | 139.70 | 0-0.50 | 203.20 | 0-1 | 90.73 | 0-5 | <10 | 131.27 | +0.500 | 107.60 | +70 | ||
| 10 | 250 | 155.57 | 220.00 | 103.80 | 147.14 | 116.00 | ||||||||
| 12 | 300 | 177.16 | 270.90 | 116.90 | 168.73 | 141.50 | ||||||||
| 14 | 350 | 215.90 | 304.80 | 150.00 | 207.47 | 158.40 | ||||||||
| 16 | 400 | 215.90 | 304.80 | 150.00 | 207.47 | 158.40 | ||||||||
| 16 | 400 | 241.30 | 338.70 | 169.80 | 232.87 | 175.30 | ||||||||
| 18 | 450 | 241.30 | 338.70 | 169.80 | 232.87 | 175.30 | ||||||||
| 18 | 450 | 273.05 | 355.60 | 198.70 | 264.62 | 183.80 | ||||||||
| 20 | 500 | 273.05 | 355.60 | 198.70 | 264.62 | 183.80 | ||||||||
| 20 | 500 | 298.45 | 372.60 | 221.30 | 290.02 | 192.20 | ||||||||
Dimension of 4TPI Nipple:
| 4TPI | Diameter | Nipple (mm) | Socket (mm) | Pitch(mm) | ||||||||||
| inch | mm | D | L | d2 | 1 | d1 | H | 6.35 | ||||||
| 8 | 200 | 122.24 | 0-0.50 | 177.80 | 0-1 | 80.00 | 0-5 | <7 | 115.92 | +0.500 | 94.90 | +70 | ||
| 9 | 225 | 139.70 | 177.80 | 97.46 | 133.38 | 94.90 | ||||||||
| 10 | 250 | 152.40 | 190.50 | 108.00 | 146.08 | 101.30 | ||||||||
| 12 | 300 | 177.80 | 215.90 | 129.20 | 171.48 | 114.00 | ||||||||
| 14 | 350 | 203.20 | 254.00 | 148.20 | 196.88 | 133.00 | ||||||||
| 16 | 400 | 222.25 | 304.80 | 158.80 | 215.93 | 158.40 | ||||||||
| 16 | 400 | 222.25 | 355.60 | 150.00 | 215.93 | 183.80 | ||||||||
| 18 | 450 | 241.30 | 304.80 | 177.90 | 234.98 | 158.40 | ||||||||
| 18 | 450 | 241.30 | 355.60 | 169.42 | 234.98 | 183.80 | ||||||||
| 20 | 500 | 269.88 | 355.60 | 198.00 | 263.56 | 183.80 | ||||||||
| 20 | 500 | 269.88 | 457.20 | 181.08 | 263.56 | 234.60 | ||||||||
Packing: Electrodes are packed in wooden crates and nipples in wooden cases; or packed pre-set as customer's requirements, inner plastic to prevent water and dust, and braced strongly with steel strip to be suitable for land and sea transportation.