Graphite Electrode with Technical Properties from CNBM
- Ref Price:
-
$10.00 - 100.00
/ m.t.
- Loading Port:
- Shanghai
- Payment Terms:
- TT or LC
- Min Order Qty:
- 10 m.t.
- Supply Capability:
- 100000 m.t./month
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TECHNICAL PROPERTIES OF GRAPHITE ELECTRODE
1.Physical and chemical index
Item | Unit | RP | HP | UHP | ||||
250-400 | 450-800 | 300-400 | 450-700 | 300-400 | 450-700 | |||
Electric Resistivity | Electrode | μΩ.m | 7.5-8.6 | 7.5-8.8 | 5.5-6.8 | 5.5-7.0 | 4.6-6.0 | 4.8-6.2 |
Nipple | 4.5-5.5 | 4.0-5.0 | 3.5-4.5 | |||||
Bending Strength | Electrode | MPa | ≥8.0 | ≥11.0 | ≥11.0 | |||
Nipple | ≥15.0 | ≥16.0 | ≥18.0 | |||||
Elastic Modulus | Electrode | GPa | ≤9.0 | ≤11.0 | ≤13.0 | |||
Nipple | ≤13.0 | ≤14.0 | ≤15.0 | |||||
Bulk Density | Electrode | g/cm3 | 1.55-1.65 | 1.63-1.73 | 1.65-1.75 | |||
Nipple | 1.70-1.75 | 1.73-1.80 | 1.75-1.82 | |||||
Ash | Electrode | % | ≤0.3 | |||||
Nipple | ||||||||
CTE (100-600)℃ | Electrode | 10-6/℃ | 2.00-2.50 | 1.80-2.00 | 1.30-1.50 | |||
Nipple | 1.50-1.80 | 1.50-1.80 | 1.20-1.40 | |||||
2.Recommended current carrying capacity
Nominal Diameter (mm) | RP | HP | UHP | ||||
Current Carrying Capacity | Current Density | Current Carrying Capacity | Current Density | Current Carrying Capacity | Current Density | ||
in | mm | A | A/cm2 | A | A/cm2 | A | A/cm2 |
12 | 300 | 1000-13000 | 14-18 | 13000-174000 | 17-24 | 15000-22000 | 20-30 |
14 | 350 | 13500-18000 | 14-18 | 17400-24000 | 17-24 | 20000-30000 | 20-30 |
16 | 400 | 18000-23500 | 14-18 | 21000-31000 | 16-24 | 25000-40000 | 19-30 |
18 | 450 | 22000-27000 | 13-17 | 25000-40000 | 15-24 | 32000-45000 | 19-27 |
20 | 500 | 25000-32000 | 13-16 | 30000-48000 | 15-24 | 38000-55000 | 18-27 |
22 | 550 | 32000-40000 | 13-16 | 35000-55000 | 14-22 | 42000-64000 | 17-26 |
24 | 600 | 35000-41000 | 13-15 | 41000-61000 | 14-21 | 50000-73000 | 17-25 |
28 | 700 | 39000-48000 | 10-12 | 55000-82000 | 14-21 | 67000-99000 | 17-25 |
32 | 800 | 43000-54000 | 8-10 | / | / | / | / |
TOLERANCCES OF ELECTRODE DIAMETERS AND LENG THES (MM)
Nominal Diameter | Actual Diameter | Length | |||
in | mm | max | min | Black surface min | |
12 | 300 | 307 | 302 | 299 | 1800/2000 |
14 | 350 | 357 | 352 | 349 | 1800/2000/2200 |
16 | 400 | 409 | 403 | 400 | 1800/2000/2200 |
18 | 450 | 460 | 454 | 451 | 1800/2000/2200 |
20 | 500 | 511 | 505 | 502 | 2000/2200/2400 |
22 | 550 | 562 | 556 | 553 | 2000/2200/2400 |
24 | 600 | 613 | 607 | 604 | 2200/2400/2700 |
28 | 700 | 714 | 708 | 705 | 2400/2700 |
29 | 800 | 815 | 809 | 806 | 2700/3000 |
SIZE OF TAPER-THREAD NIPPLES AND SOCKETS(MM)
Nominal Length | Standard Deviation | Deviation of the short scale length | ||
1800 | +100 | -100 | -100 | -275 |
2000 | +100 | -100 | -100 | -275 |
2200 | +100 | -100 | -100 | -275 |
2400 | +100 | -100 | -100 | -275 |
2700 | +150 | -150 | -150 | -300 |
3000 | +150 | -150 | -150 | -300 |
FINE-GRAIN SPECIALTY GRAPHITE FXG-1
Physical and chemical index
Item | Unit | Guarantee Value | Typical Value |
Max Grante Size | mm | 0.8 | 0.8 |
Bulk Density | g/cm3 | ≥1.70 | 1.73 |
Specific Resistance | μΩ.m | ≤8.5 | 7.5 |
Bending Strength | MPa | ≥10.0 | 11.0 |
Compressive Strength | MPa | ≥24.0 | 27.0 |
Thermal Conductivity | W/(m.k) | ≥120 | 150 |
CTE (100-600)℃ | 10-6/℃ | ≤2.5 | 2.2 |
Ash Content | % | ≤0.3 | 0.09 |
FINE-GRAIN SPECIALTY GRAPHITE FXG-2
Physical and chemical index
Item | Unit | Guarantee Value | Typical Value |
Max Grante Size | mm | 0.8 | 0.8 |
Bulk Density | g/cm3 | ≥1.73 | 1.76 |
Specific Resistance | μΩ.m | ≤8.0 | 7.0 |
Bending Strength | MPa | ≥12.0 | 12.5 |
Compressive Strength | MPa | ≥31.0 | 34.0 |
Thermal Conductivity | W/(m.k) | ≥130 | 160 |
CTE (100-600)℃ | 10-6/℃ | ≤2.5 | 2.1 |
Ash Content | % | ≤0.3 | 0.09 |
MEDIUM-GRAIN SPECIALTY GRAPHITE FCP
Physical and chemical index
Item | Unit | Guarantee Value | Typical Value | Guarantee Value | Typical Value | Guarantee Value | Typical Value |
Max Grante Size | mm | 2 | 2 | 4 | 4 | 8 | 8 |
Bulk Density | g/cm3 | ≥1.58 | 1.60 | ≥1.57 | 1.58 | ≥1.56 | 1.58 |
Specific Resistance | μΩ.m | ≤11.5 | 10.5 | ≤11.5 | 10.5 | ≤12.5 | 11.5 |
Bending Strength | MPa | ≥6.0 | 6.5 | ≥6.5 | 7.0 | ≥7.0 | 7.5 |
Compressive Strength | MPa | ≥18.0 | 18.5 | ≥17.5 | 18.0 | ≥16.0 | 17.0 |
Modulus of Elasticity | GPa | ≤9.3 | 7.5 | ≤9.3 | 7.5 | ≤9.3 | 7.0 |
CTE (100-600)℃ | 10-6/℃ | ≤2.5 | 2.4 | ≤2.5 | 2.4 | ≤2.5 | 2.4 |
Ash Content | % | ≤0.3 | 0.09 | ≤0.3 | 0.09 | ≤0.3 | 0.09 |
MEDIUM-GRAIN SPECIALTY GRAPHITE FCG-1
Physical and chemical index
Item | Unit | Guarantee Value | Typical Value | Guarantee Value | Typical Value | Guarantee Value | Typical Value |
Max Grante Size | mm | 2 | 2 | 4 | 4 | 8 | 8 |
Bulk Density | g/cm3 | ≥1.70 | 1.75 | ≥1.69 | 1.73 | ≥1.68 | 1.72 |
Specific Resistance | μΩ.m | ≤8.5 | 7.5 | ≤8.5 | 7.5 | ≤9.5 | 8.5 |
Bending Strength | MPa | ≥9.0 | 9.5 | ≥9.5 | 10.0 | ≥10.0 | 12.5 |
Compressive Strength | MPa | ≥30.0 | 31.0 | ≥29.0 | 30.0 | ≥30.0 | 31.0 |
Modulus of Elasticity | GPa | ≤12.0 | 9.5 | ≤12.0 | 9.5 | ≤12.0 | 9.0 |
CTE (100-600)℃ | 10-6/℃ | ≤2.5 | 2.3 | ≤2.5 | 2.3 | ≤2.5 | 2.3 |
Ash Content | % | ≤0.3 | 0.09 | ≤0.3 | 0.09 | ≤0.3 | 0.09 |
FAQ
What is the consumption of your Electrode？
The comsumption of Our Electrode can be below 1.0kg/mt, and the everage is 0.5kg/mt.
What is the reason of the problem of broken?
There are several reasons, such as: Amperage is too high, the connection is not good, etc.
- Q:Please senior doubts. The graphite electrode is used in the mold cavity In what case is graphite processing taken?
- Because of the great loss of graphite electrode in finishing, it is not suitable to be used as finishing electrode material. Because of the small coefficient of thermal expansion of graphite, it can also be used as a big electrode material in perforation processing.
- Q:What is the graphite furnace electrode with a diameter of 400?
- The variety and specifications of graphite electrodes used in modern EAF steelmaking are mainly determined by the technical parameters of the steelmaking furnace.
- Q:Carbon graphite electrode and what is the difference?
- The difference between graphite electrode and carbon is mainly composed of graphite manufacturing, the latter for carbon materials,
- Q:Why is graphite conductive electrode oxidized?
- Graphite electrode uses petroleum coke (carbon), pitch coke (carbon) as granule material
- Q:What are pyrolytic graphite electrodes used for?
- Discharge consumption; because the spark oil also contains C atoms in the discharge process, high temperature oil spark decomposition of C atom, and form a protective film on the surface of the graphite electrode, graphite electrode loss compensation.
- Q:Are graphite and carbon electrodes the same? What kinds of ore furnaces are used?
- Graphite electrode should be relatively pure, composed of graphite.
- Q:What are the skills of hardfacing process for wear-resistant alloy powder blocks?
- Because the carbon containing ash, a graphite resistor 2-3 times, so the use of graphite electrode is better.
- Q:Can Naiduo high temperature graphite
- The reinforced graphite gasket is made of flexible graphite tape or flexible graphite and is molded into ring products of different sizes. Suitable for hot water, high temperature, high pressure steam, heat exchange liquid, nitrogen gas, organic solvent, hydrocarbon, low temperature liquid and other medium. Used in compressors, machines, pumps, valves, chemical instruments, instruments, etc..
- Q:Why graphite can be used as conductive material?
- Lubricants can not be used in high speed, high temperature, high pressure conditions, and graphite wear-resistant materials can be at the temperature and at a high sliding speed, without lubricating oil work. Many transporting corrosive media devices are widely used, which is made of graphite material piston ring, the sealing ring and the bearing, they are running, without adding lubricating oil, graphite and many metal processing when good lubricant.
- Q:Electrolysis of CuCl2 solutions with graphite electrodes
- CuCl2 refers to a copper chloride ionization ionization ion and chloride ion in aqueous solution, the equivalent of CuCl2 does not exist, but there are only Cu2+ and Cl-, even if there is no electricity, the ionization will happen, because this is the nature of it.
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Graphite Electrode with Technical Properties from CNBM
- Ref Price:
-
$10.00 - 100.00
/ m.t.
- Loading Port:
- Shanghai
- Payment Terms:
- TT or LC
- Min Order Qty:
- 10 m.t.
- Supply Capability:
- 100000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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