Loading Port:Tianjin
Payment Terms:TT or LC
Min Order Qty:100 m.t.
Supply Capability:50000 m.t./month
RP HP UHP Graphite Electrode
.Dia:40-600mm or1.6"-24"
.Length:250-2400mm or10"-96"
.Nipples:3TPI,4TPI
.ISO9001:2008
2. Applications of Graphite Electrode
Used in EAF and LF for steel making, as well as in electric smelting furnace for producing industrial silicon, phosphorus, etc.
3. Programmable properties
.Good electrical conductivity
.High resistance to thermal shock
.High mechanical strength
4. Grades: RP, RPI, HP, SHP, UHP
All graphite electrodes are offered with tapered nipples, i.e. 3 or 4 threads per inch, and meet the internationally accepted tolerances as per NEMA CG 1/ IEC 60239 / JIS R7201 standards.
5. Details of Graphite Electrodes
Item | Unit | Regular-power | Impregnated | ||||||
φ75- | φ150- | φ250- | φ350- | φ75- | φ250- | φ400- | |||
Specific Resistance (≤) | E | μ Ω·m | 8.5 | 9 | 9 | 9 | 8 | 8 | 8 |
N | 8 | 8 | 8 | 8 | 7.5 | 7.5 | 7.5 | ||
Bending Strength (≥)
| E | MPa
| 9.8 | 9.8 | 7.8 | 6.4 | 10 | 9 | 8 |
N | 13 | 13 | 13 | 13 | 15 | 15 | 15 | ||
Elastic Modulus (≤)
| E | GPa
| 9.3 | 9.3 | 9.3 | 9.3 | 12 | 12 | 12 |
N | 14 | 14 | 14 | 14 | 14 | 14 | 14 | ||
Bulk Density (≥)
| E | g/cm3
| 1.58 | 1.52 | 1.52 | 1.52 | 1.58 | 1.58 | 1.58 |
N | 1.63 | 1.63 | 1.68 | 1.68 | 1.68 | 1.68 | 1.68 | ||
C.T.E.(≤)
| E | 10-6/°C
| 2.9 | 2.9 | 2.9 | 2.9 | 2.7 | 2.7 | 2.7 |
N | 2.7 | 2.7 | 2.8 | 2.8 | 2.5 | 2.5 | 2.5 | ||
Ash(≤) | % | 0.5 | 0.5 | 0.5 | 0.5 | 0.3 | 0.3 | 0.3 | |
Item | Unit | High-power | Super high-power | Ultra high-power | ||||
φ200-400 | φ450-500 | φ350-400 | φ450-500 | φ300-400 | φ450-500 | |||
Specific Resistance(≤) | E | μ Ω·m | 7 | 7.5 | 6.5 | 7 | 6.2 | 6.5 |
N | 6.5 | 6.5 | 6 | 6 | 5.5 | 5.5 | ||
Bending Strength (≥)
| E | MPa
| 10.5 | 9.8 | 10.5 | 10 | 10.5 | 10 |
N | 15 | 15 | 16 | 16 | 16 | 16 | ||
Elastic Modulus (≤)
| E | GPa
| 12 | 12 | 13 | 13 | 14 | 14 |
N | 16 | 16 | 17 | 17 | 18 | 18 | ||
Bulk Density (≥)
| E | g/cm3
| 1.6 | 1.6 | 1.62 | 1.62 | 1.65 | 1.64 |
N | 1.7 | 1.7 | 1.71 | 1.71 | 1.72 | 1.72 | ||
C.T.E.(≤)
| E | 10-6/°C
| 2.4 | 2.4 | 2.2 | 2.2 | 1.5 | 1.5 |
N | 2.2 | 2.2 | 1.8 | 1.8 | 1.4 | 1.4 | ||
Ash(≤) | % | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | |
6.Pictures of Graphite Electrodes
7. FAQ
We have organized several common questions for our clients，may help you sincerely：
①How about your Warranty of Graphite Electrode ？
Warranty: 1-Year for the whole light. Warranty is based on correct storage, installation, using and maintenanc
②How to guarantee the quality of the products of Graphite Electrode ？
We have established the international advanced quality management system，every link from raw material to final product we have strict quality test；We resolutely put an end to unqualified products flowing into the market. At the same time, we will provide necessary follow-up service assurance. We have D&B report and you could check details information for our company.
③How long can we receive the product after purchase of Graphite Electrode ?
In the purchase of product within three working days, We will arrange the factory delivery as soon as possible.
