HP graphite electrode
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China [CN] Graphite electrodes are widely used in Electric Arc Furnace, Ladle Furnace, Mineral-heated Furnace for making alloy steel and other metallic or non-metallic materials.
Producing progress:
Raw material→Crushing→Calcining→Milling/medium crushing→Screening→-Dosing→Kneading→Forming→Baking→Graphitization→Mmachining→Inspection→Pproducts
| Physical and chemical index | ||||||||
| 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 | ||
PRODUCTS ADVANTAGES:1. Low electric resistivity
2. Good electric and thermal conductivity
3. High oxidation resistance
4. Great resistance to thermal and mechanical shock
5. High mechanical strength
6. High machining accuracy
Grade:RP,HP,UHP
Diameter:200-600MM
Length:1600MM-2400MMPACKAGE:Wooden crates with steel straps; wooden crates treated with "IPPC" label
COMPANY INFORMATION:
Zibo Ouzheng Trading Co., Ltd is a professional trading company in the area of graphite products, e.g. graphite electrode, graphite block, graphite crucible, graphite rotor and shafts, graphite rod, graphite felt, graphite plate, etc. Our company locates in ZHANGDIAN district, ZIBO city, SHANDONG province, which is a main graphite producing area in china. We are close to Qingdao Port and there is also Jiao-Ji Railway, Ji-Qing Expressway and No.309 National Highway all runs through the place.
We have the experienced employees and professional engineers and designers , the first-level equipment in the world and due to the strict request for the quality, the products have got the CERTIFICATE OF QUALITY MANAGEMENT SYSTEM(ISO9001:2008). Also,because of the high productivity ,we can guarantee the delivery time of different grades of graphite products..
With the high reputation, stabilized quality and excellent service, Ouzheng are ready for cooperating with the customers all over the world.
OUR SERVICE:
Provide the high quality and low price product
Offer the safest package and transportation
Offer the most satisfied service
Provide the best after-sales service
FAQ:
1. Delivery time?
The delivery time is around 20-30 days after receiving your deposit or L/C.
2. MOQ?
we can accept 1 MT order.
3. Payment term?
30% deposit, balance against the BL copy; 100% L/C at sight
4. Production Capacity of our factory?
200-300 MT per month.
5.What about the samples
We can offer some free samples ,but you may need to pay the freight
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