400mm - 800mm High Performance HP Graphite Electrodes For Advanced Metallurgical Processes
Brand Name:HUATAO
Certification:CE, ISO
Model Number:HTGE02
Minimum Order Quantity:20Tons
Delivery Time:15-30days
Payment Terms:T/T, Western Union, MoneyGram, L/C
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High-Performance HP Graphite Electrodes for Advanced Metallurgical
Processes
Description For High-Performance HP Graphite Electrodes For Advanced Metallurgical
Processes:
Engineered for superior conductivity and extended lifespan, our HP
Graphite Electrodes optimize metallurgical operations, reducing
consumption and enhancing efficiency in high-power electric
furnaces.
HP Graphite Electrodes, or High-Power Graphite Electrodes, are
essential components for modern high-power electric arc furnaces in
steelmaking, ferrous alloy production, and other demanding
metallurgical processes. These electrodes are manufactured using
carefully selected needle coke and high-grade coal tar pitch,
ensuring superior physical and electrical properties.
The advanced raw materials and meticulous manufacturing process
endow HP Graphite Electrodes with exceptional performance. Their
ability to withstand current densities up to 25A/cm² makes them
ideal for high-power applications, enabling faster melting rates
and shorter furnace cycles. The ultra-low ash content of ≤0.25%
significantly reduces the introduction of impurities during
smelting, contributing to higher-quality end products.
One of the key features is the low thermal expansion coefficient,
which effectively mitigates thermal stress and reduces the risk of
fractures caused by rapid temperature changes within the furnace.
This, combined with high mechanical strength, ensures the
electrodes maintain integrity throughout their service life, even
under rigorous operating conditions.
To further enhance durability, our HP Graphite Electrodes are
coated with a specialized anti-oxidation layer. This coating
significantly extends the electrode lifespan by reducing oxidation
losses at high temperatures, thereby minimizing consumption and
operational costs. The electrodes' low electrical resistivity
facilitates efficient current transmission, optimizing energy
utilization and improving overall process efficiency.
During production, each electrode undergoes stringent quality
control measures, from raw material inspection to final machining.
Precision manufacturing techniques ensure consistent dimensions and
tight tolerances, enabling seamless assembly and reliable
performance in the furnace.
In terms of applications, HP Graphite Electrodes are widely used in
high-power electric arc furnaces for steel scrap melting,
production of stainless steel, and various ferrous alloys. Their
high-performance characteristics make them indispensable for
achieving high productivity and cost-effective operations in modern
metallurgy.
Specification For High-Performance HP Graphite Electrodes For Advanced Metallurgical Processes:
| Physico-chemical Specifications of HP Graphite Electrode | ||||||||||
| Items | Unit | Diameter ( mm ) | ||||||||
| 200-300mm | Typical Value | 350-400 mm | Typical Value | 450-500 mm | Typical Value | 550-700 mm | Typical Value | |||
| 8-16 Inch | 14-16 Inch | 18-20 Inch | 22-28 Inch | |||||||
| Electrode | μΩ.m | 6.6 | 6.0 | 6.5 | 6.0 | 6.3 | 6.0 | 6.0 | 6.0 |
| Nipple | 5.5 | 4.8 | 5.2 | 4.8 | 5.0 | 4.8 | 4.8 | 4.8 | ||
| Bending Strength ≥ | Electrode | MPa | 10.0 | 10.5 | 10.5 | 10.5 | ||||
| Nipple | 16.0 | 18.0 | 18.0 | 18.0 | ||||||
| Young's Modulus ≤ | Electrode | GPa | 12.0 | 14.0 | 14.0 | 14.0 | ||||
| Nipple | 16.0 | 18.0 | 18.0 | 18.0 | ||||||
| Bulk Density | Electrode | g/cm³ | 1.68 | 1.72 | 1.70 | 1.72 | 1.72 | 1.72 | 1.72 | 1.72 |
| Nipple | 1.72 | 1.80 | 1.75 | 1.80 | 1.76 | 1.80 | 1.80 | 1.80 | ||
| (100℃-600℃) CTE ≤ | Electrode | X10 -6/℃ | 2.4 | 2.2 | 2.2 | 2.2 | ||||
| Nipple | 2.2 | 1.63 | 1.6 | 1.6 | ||||||
| Ash Content ≤ | % | 0.3 | 0.3 | 0.3 | 0.3 | |||||
| Note: Ash content is only for reference. | ||||||||||
| PHYSICAL&CHEMICAL PROPERTLES OF ELECTRODE AND NIPPLE | ||||||||||
| Item | Unit | Nominal Diameter(mm) | ||||||||
| RP | HP | UHP | ||||||||
| 300~450 | 500~800 | 350 ~500 | 550 ~700 | 350~500 | 550~750 | |||||
| Guaranteed | Typical | Guaranteed | Typical | |||||||
| Specific Resistance LSR≤ | (E) Electrode | μ2*m | 9 - 10.5 | 9 - 10.5 | 7.5 | 7.5 | 6.3 | 5.0 - 6.0 | 5.8 | 4.8 - 5.5 |
| (N) Nipple | 8 | 8 | 6.3 | 6.3 | 5.3 | 3.8 - 4.5 | 4.3 | 3.5 - 4.1 | ||
| Bending Strength ≥ | (E) Electrode | Mpa | 7 | 6.5 | 10 | 8.5 | 10.5 | 11.0 - 13.0 | 10 | 10.0 - 13.0 |
| (N) Nipple | 15 | 15 | 17 | 17 | 20 | 20.0 - 25.0 | 23 | 24.0 - 30.0 | ||
| Young's Modulus ≤ | (E) Electrode | Gpa | 9.3 | 9.3 | 14 | 14 | 14 | 8.0 - 12.0 | 14 | 7.0 - 10.0 |
| (N) Nipple | 14 | 14 | 16 | 16 | 20 | 12.0 - 16.0 | 22 | 16.0 - 21.0 | ||
| Bulk Density | (E) Electrode | g/cm³ | 1.53 | 1.52 | 1.6 | 1.6 | 1.66 | 1.68 - 1.73 | 1.68 | 1.69 - 1.73 |
| (N) Nipple | 1.7 | 1.7 | 1.72 | 1.72 | 1.75 | 1.76 - 1.82 | 1.78 | 1.79 - 1.84 | ||
| (100℃-600℃) CTE ≤ | (E) Electrode | 10-6/℃ | 2.9 | 2.9 | 2.4 | 2.4 | 1.5 | 1.3 - 1.5 | 1.5 | 1.3 - 1.5 |
| (N) Nipple | 2.8 | 2.8 | 2.2 | 2.2 | 1.4 | 1.0 - 1.3 | 1.3 | 1.0 - 1.3 | ||
| Ash Content ≤ | % | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.2 - 0.4 | 0.5 | 0.2 - 0.4 | |
| Raphite Electrode Size&Tolerance | |||||
Name | Eactroda Diarmetar | Eecros Length | |||
Damter x Length | Maximum | Minimum | Maximum | ||
| inch | mm | mm | mm | mm | mm |
| 14×60 | 350×1500 | 357 | 352 | 1550 | 1400 |
| 14×72 | 350×1800 | 1875 | 1700 | ||
| 14×96 | 350×2400 | 2475 | 2275 | ||
| 16×60 | 400×1500 | 409 | 403 | 1550 | 1400 |
| 16×72 | 400×1800 | 1875 | 1700 | ||
| 16×96 | 400×2400 | 2475 | 2275 | ||
| 18×72 | 450×1800 | 460 | 454 | 1875 | 1700 |
| 18×96 | 450×2400 | 2475 | 2275 | ||
| 18×110 | 450×2700 | 2850 | 2550 | ||
| 20×72 | 500×1800 | 511 | 505 | 1875 | 1700 |
| 20×84 | 500×2100 | 2175 | 1975 | ||
| 20×96 | 500×2400 | 2475 | 2275 | ||
| 20×110 | 500×2700 | 2850 | 2550 | ||
| 22×84 | 550×2100 | 562 | 556 | 2175 | 1975 |
| 22×96 | 550×2400 | 2475 | 2275 | ||
| 24×84 | 600×2100 | 613 | 607 | 2175 | 1975 |
| 24×96 | 600×2400 | 2475 | 2275 | ||
| 24×110 | 600×2700 | 2850 | 2550 | ||
| 26×110 | 650×2700 | 663 | 657 | 2850 | 2550 |
| 28×110 | 700×2700 | 714 | 708 | 2850 | 2550 |
| Suggested Graphite Electrode Operation Current Capacity | ||||
Nominal Diameter | Operation Current (Ampere) | |||
| inch | mm | RP Graphite Electrode | HP Graphite Electrode | UHP Graphite Electrode |
| 3 | φ75 | 1300-2000 | — | —- |
| 4 | φ100 | 1800-3000 | — | —- |
| 5 | φ130 | 2800-4200 | — | — |
| 6 | φ150 | 4000-5000 | —- | —- |
| 8 | φ200 | 4800-9000 | 6000-9000 | |
| 10 | φ250 | 8000-12000 | 9000-14000 | 8100-12200 |
| 12 | φ300 | 11000-16000 | 14500-18500 | 15000-22000 |
| 14 | φ350 | 15000-22000 | 19000-28000 | 20000-30000 |
| 16 | φ400 | 20000-28000 | 23000-35000 | 25000-40000 |
| 18 | φ450 | 24000-34000 | 30000-42000 | 32000-45000 |
| 20 | φ500 | 28000-42000 | 35000-50000 | 38000-55000 |
| 22 | φ550 | 31000-45000 | 35000-55000 | 42000-66000 |
| 24 | φ600 | 32000-46000 | 40000-62000 | 60000-90000 |
| 26 | φ650 | 35000-48000 | 45000-72000 | 60000-90000 |
| 28 | φ700 | 39000-49000 | 48000-75000 | 70000-120000 |
Note: On EAF, the current is suggested to be reduced by 10%; On LF, it might be increased by 10%. | ||||
| Machining Dimension Of Electrode And Nipple | ||||||||
| Unit(mm) | ||||||||
| Applicable | Inch | Nominal Diameter | Nipple | D2 | Socket | Thread Pitch | ||
| Large Diameter | Length | Medium Diameter | Small Diameter | Depth | ||||
| RP/HP/UHP Graphite Electrode | 12 | 300 | 177.16 | 270.9 | 172.95 | 168.73 | 141.5 | 8.47 |
| 14 | 350 | 215.9 | 304.8 | 211.69 | 207.47 | 158.4 | ||
| 16 | 400 | 215.9 | 304.8 | 211.69 | 207.47 | 158.4 | ||
| 16 | 400 | 241.3 | 338.7 | 237.09 | 232.87 | 175.3 | ||
| 18 | 450 | 241.3 | 338.7 | 237.09 | 232.87 | 175.3 | ||
| 18 | 450 | 273.05 | 355.6 | 268.84 | 264.62 | 183.8 | ||
| 20 | 500 | 273.05 | 355.6 | 268.84 | 264.62 | 183.8 | ||
| 20 | 500 | 298.45 | 372.6 | 294.24 | 290.02 | 192.2 | ||
| 22 | 550 | 298.45 | 372.6 | 294.24 | 290.02 | 192.2 | ||
| 12 | 300 | 177.8 | 215.9 | 174.64 | 171.48 | 114 | 6.35 | |
| 14 | 350 | 203.2 | 254 | 200.04 | 196.88 | 133 | ||
| 16 | 400 | 222.25 | 304.8 | 219.09 | 215.93 | 158.4 | ||
| 16 | 400 | 222.25 | 355.6 | 219.09 | 215.93 | 183.8 | ||
| 18 | 450 | 241.3 | 304.8 | 238.14 | 234.98 | 158.4 | ||
| 18 | 450 | 241.3 | 355.6 | 238.14 | 234.98 | 183.8 | ||
| 20 | 500 | 269.88 | 355.6 | 266.72 | 263.56 | 183.8 | ||
| 20 | 500 | 269.88 | 457.2 | 266.72 | 263.56 | 234.6 | ||
| 22 | 550 | 298.45 | 355.6 | 295.29 | 292.13 | 183.8 | ||
| 22 | 550 | 298.45 | 457.2 | 295.29 | 292.13 | 234.6 | ||
| 24 | 600 | 317.5 | 355.6 | 314.34 | 311.18 | 183.8 | ||
| 24 | 600 | 317.5 | 457.2 | 314.34 | 311.18 | 234.6 | ||
| 26 | 650 | 355.6 | 457.2 | 352.44 | 349.28 | 234.6 | ||
| 26 | 650 | 355.6 | 558.8 | 352.44 | 349.28 | 285.4 | ||
| 28 | 700 | 374.65 | 457.2 | 371.49 | 368.33 | 234.6 | ||
| 28 | 700 | 374.65 | 558.8 | 371.49 | 368.33 | 285.4 | ||
| 30 | 750 | 406.4 | 584.6 | 403.24 | 400.08 | 260 | ||
| 30 | 750 | 406.4 | 609.8 | 403.24 | 400.08 | 310.08 | ||
| 32 | 800 | 431.8 | 635 | 428.64 | 425.48 | 323.5 | ||
RECOMMENDED TIGHTENING TORQUE
Electrode Diameter (mm) | Torque ((N.M) | |
| 300 | 900 | |
| 350 | 1300 | |
| 400 | 1550 | |
| 450 | 1850 | |
| 500 | 2400 | |
| 550 | 2750 | |
| 600 | 3800 | |
| 650 | 4300 | |
| 700 | 5200 | |
| 750 | 6800 |
400mm - 800mm High Performance HP Graphite Electrodes For Advanced Metallurgical Processes
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