Loading Port:Tianjin
Payment Terms:TT or LC
Min Order Qty:100 m.t.
Supply Capability:5000 m.t./month
.Grade:RP,HP,UHP,SHP,RPI
.Diameter:200 to 700mm at your choice.
.Length: 1600 to 2400mm at your choice.
.Nipple:3-4 TPI
.fine mechanical strength and machining quality,low specific resistance, high temperature and oxidation resistance
2. Applications of Graphite Electrodes
Used in EAF and LF for steel making, as well as in electric smelting furnace for producing industrial silicon, phosphorus, etc.
3. Grades: RP, RPI, HP, SHP, UHP
Details Information | ||||||||
Items | Unit | RP | HP | UHP | ||||
250-300mm | 350-550mm | 200-400mm | 450-550mm | 300-400mm | 450-550mm | |||
Resistivity(MAX) | Electrode | μΩm | 9 | 7 | 7.5 | 6.2 | 6.5 | |
Nipple | 8.5 | 6.5 | 5.5 | |||||
Bending Strenth(MIN) | Electrode | Mpa | 7.8 | 6.4 | 10.5 | 9.8 | 10.5 | 10 |
Nipple | 13 | 14 | 16 | |||||
Elastic Modulus(MAX) | Electrode | Gpa | 9.3 | 12 | 14 | |||
Nipple | 14 | 16 | 18 | |||||
Bulk Density(MIN) | Electrode | g/cm3 | 1.52 | 1.6 | 1.65 | 1.64 | ||
Nipple | 1.68 | 1.7 | 1.72 | 1.7 | ||||
Ash(MAX) | Electrode/Nipple | % | 0.5 | 0.3 | 0.3 | |||
CTE(MAX) | Electrode | 10-6/°C | 2.9 | 2.4 | 1.5 | |||
Nipple | 2.8 | 2.2 | 1.4 |
Tolerances of electrode diameters and lengthes(mm) | ||||
Nominal Diameter | Actual Diameter | Length | ||
Max | Min | Black surface min | ||
250 | 256 | 251 | 248 | 1600/1800 |
300 | 307 | 302 | 299 | 1600/1800 |
350 | 357 | 352 | 349 | 1600/1800 |
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 | 1800/2000/2200/2400 |
Recommended current carrying capacity | ||||||||||||
Nominal diameter | RP | HP | UHP | |||||||||
Electrical Arc furnace | Electrical Arc furnace | Ladle Refining furnace | Electrical Arc furnace | Ladle Refining furnace | ||||||||
Current carrying capacity | Current Density | Current carrying capacity | Current Density | Current carrying capacity | Current Density | Current carrying capacity | Current Density | Current carrying capacity | Current Density | |||
Inch | Mm | A | A/ cm2 | A | A/ cm2 | A | A/ cm2 | A | A/ cm2 | A | A/ cm2 | |
12 | 300 | 11000-15000 | 15-21 | 13000-17500 | 18-25 | 15000-21000 | 21-29 | |||||
14 | 350 | 15000-20000 | 15-20 | 17500-24500 | 18-25 | 20000-28000 | 21-29 | 22000-31000 | 23-32 | 24000-33000 | 25-34 | |
16 | 400 | 19000-26000 | 15-20 | 21500-32000 | 17-25 | 24000-35000 | 19-28 | 28000-41000 | 22-32 | 31000-44000 | 24-34 | |
18 | 450 | 23000-31000 | 14-19 | 26000-40500 | 16-25 | 29000-45000 | 18-28 | 33000-46000 | 20-28 | 36000-49000 | 22-30 | |
20 | 500 | 28000-36000 | 14-18 | 32000-50000 | 16-25 | 34000-54000 | 17-27 | 38000-56000 | 19-28 | 42000-60000 | 21-30 | |
22 | 550 | 32000-42000 | 37000-57000 | 15-23 | 40000-62000 | 16-25 | 45000-65000 | 18-26 | 50000-70000 | 20-28 |
4. Pictures of Graphite Electrodes Factory
5. FAQ
We have organized several common questions for our clients,may help you sincerely:
①How about your Warranty of Graphite Electrode for Arc Furnaces?
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 Graphite Electrode for Arc Furnaces?
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?
In the purchase of product within three working days, We will arrange the factory delivery as soon as possible.