Cheapest Price Uhp Price Graphite Electrode - UHP GRAPHITE ELECTRODE – Low Electrical Resistance, High Density – Aohui
Cheapest Price Uhp Price Graphite Electrode - UHP GRAPHITE ELECTRODE – Low Electrical Resistance, High Density – Aohui
Cheapest Price Uhp Price Graphite Electrode - UHP GRAPHITE ELECTRODE – Low Electrical Resistance, High Density – Aohui Detail:
DESCRIPTION
UHP graphite electrode is used for the recycling of steel in the electric arc furnace industry. Its main ingredient is high-value needle coke which is made from either petroleum or coal tar. Graphite electrodes are finished with a cylinder shape and machined with threaded areas at each end. In this way, the graphite electrodes can be assembled into an electrode column using electrode nipple.
In order to meet the requirement of higher work efficiency and lower total cost, large capacity ultra-high power arc furnaces are becoming more and more popular. Because of this, UHP graphite electrodes with diameters of over 500 mm will dominate market.
FEATURE
Withstand large currents, high discharge rate.
Good dimension stability, not easy to deform.
Resistant to cracking & spalling.
High resistance to oxidation and thermal shock.
High mechanical strength, low electrical resistance.
High machining accuracy, good surface finishing.
APPLICATION
Graphite electrodes are widely used for production of alloy steels, metal and other nonmetallic materials, etc.
DC electric arc furnace.
AC electric arc furnace.
Submerged arc furnace.
Ladle furnace.
SPECIFICATION
Table 1: Technical Specification of UHP Graphite Electrode
| Dia. | Resistance | Density | Flexure Strength | Elastic Modulus | Ash Content | CTE | Current Load | Current Density |
| (inch) | (≤, µΩ·m) | (≥, g/cm3) | (≥, MPa) | (≤, GPa) | (≤, %) | (100 °C – 600 °C) | (A) | (A/cm2) |
| (≤, 10-6/°C) | ||||||||
| 10 | 5.5 | 1.67 | 11 | 14 | 0.3 | 1.5 | 8100–12200 | 20–30 |
| 12 | 5.5 | 1.67 | 11 | 14 | 0.3 | 1.5 | 15000–22000 | 20–30 |
| 14 | 5.5 | 1.67 | 11 | 14 | 0.3 | 1.5 | 20000–30000 | 20–30 |
| 16 | 5.5 | 1.67 | 11 | 14 | 0.3 | 1.5 | 25000–40000 | 19–30 |
| 18 | 5.5 | 1.66 | 11 | 14 | 0.3 | 1.5 | 32000–45000 | 19–27 |
| 20 | 5.5 | 1.66 | 11 | 14 | 0.3 | 1.4 | 38000–55000 | 18–27 |
| 22 | 5.5 | 1.66 | 11 | 14 | 0.3 | 1.4 | 42000–66000 | 17–26 |
| 24 | 5.5 | 1.66 | 11 | 14 | 0.3 | 1.4 | 49000–76000 | 17–26 |
Table 2: Graphite Electrode Size & Tolerance
| Diameter (mm) | Length (mm) | ||||||
| Nominal Diameter | Actual Diameter | Nominal Length | Tolerance | Short Length | |||
| (inch) | (mm) | (max.) | (min.) | (rough spot) | |||
| 10 | 250 | 256 | 251 | 248 | 1600/1800 | ±100 | -275 |
| 12 | 300 | 307 | 302 | 299 | 1600/1800 | ||
| 14 | 350 | 357 | 352 | 349 | 1600/1800 | ||
| 16 | 400 | 409 | 403 | 400 | 1600/1800/2000/2200 | ||
| 18 | 450 | 460 | 454 | 451 | 1600/1800/2000/2200 | ||
| 20 | 500 | 511 | 505 | 502 | 1800/2000/2200/2400 | ||
| 22 | 550 | 562 | 556 | 553 | 1800/2000/2200/2400 | ||
| 24 | 600 | 613 | 607 | 604 | 2000/2200/2400 | ||
SURFACE QUALITY
There should be less than two defects or holes on the electrode surface, the maximum size of which is mentioned in the below chart.
There should be no transverse crack on the electrode surface. For the longitudinal crack, the length should be less than 5% of the electrode circumference and the width should be 0.3 to 1.0 mm.
The width of black area on electrode surface should be less than 1/10 of the electrode circumference and the length should be less than 1/3 of the electrode.
| SpecificationDefect Dimension | Nominal Diameter of Graphite Electrode (mm) | |
| 300–400 | 450–600 | |
| Diameter (mm) | 20–40 | 30–50 |
| (< 20 mm should be negligible) | (< 30 mm should be negligible) | |
| Depth (mm) | 5–10 | 10–15 |
| (< 5 mm should be negligible) | (< 10 mm should be negligible) | |
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owing to very good support, a variety of high quality merchandise, aggressive costs and efficient delivery, we love an excellent name among the our clients. We are an energetic company with wide market for Cheapest Price Uhp Price Graphite Electrode - UHP GRAPHITE ELECTRODE – Low Electrical Resistance, High Density – Aohui , The product will supply to all over the world, such as: Mongolia, Spain, Sri Lanka, Immediate and specialist after-sale service supplied by our consultant group has happy our buyers. Detailed Info and parameters from the merchandise will probably be sent to you for any thorough acknowledge. Free samples may be delivered and company check out to our corporation. n Morocco for negotiation is constantly welcome. Hope to get inquiries type you and construct a long-term co-operation partnership.
Q1: Is your company AO HUI a manufacturer or trader?
A1: Manufacturer, some time we help our clients to purchase relevant products as a trader.
Q2: What’s the MOQ?
A2. No limitation.
Q3: Can we visit your factory?
A3: Of course ,welcome at any time,seeing is believing
Q4: What’s your payment terms?
A4: Negotiation
Q5: Is your company accept customization?
A5: Professional technology teams and engineers all can satisfy you.
Q6: How do you guarantee quality?
A6: For every production processing,we have complete QC system for the chemical composition and Physical properties.After production,all the goods will be tested ,and the quality certificate will be shipped along with goods.
Q7: What’s the proportion of abroad business?
A7: Abroad market around 50%; Domestic market around 50%; and now export proportion is increasing.
Q8: Your company would provide samples?
A8: Yes, we could supply samples for free, and the freight will be undertaken by clients.
By Doris from Armenia - 2017.04.28 15:45
The customer service reprersentative explained very detailed, service attitude is very good, reply is very timely and comprehensive, a happy communication! We hope to have a opportunity to cooperate.
By Bess from Belarus - 2018.12.10 19:03
