Matery High Quality RP HP UHP Graphite Electrodes Price
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- Supplier: Qingdao Matery Graphite Co. Ltd.
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Product Overview
Description
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The electrodes carry the electricity that heats electric arc furnaces, the vast majority steel furnaces. They are made from
petroleum coke after it is mixed with petroleum pitch, extruded and shaped, then baked to sinter it, and then graphitized by
heating it above the temperature (3000 °C) that converts carbon to graphite. They can vary in size up to 11 ft. long and 30 in. in
diameter.
petroleum coke after it is mixed with petroleum pitch, extruded and shaped, then baked to sinter it, and then graphitized by
heating it above the temperature (3000 °C) that converts carbon to graphite. They can vary in size up to 11 ft. long and 30 in. in
diameter.
RP (Regular Power Grade Graphite Electrodes | ||||||||||||||
ITEM | UNIT | (M M)NOMINAL DIAMETER | ||||||||||||
75-130 | 150-230 | 250-350 | 400-500 | 75-130 | ||||||||||
BULK DENSITY | ELECTRODE | G/CM3 | ≥1.58 | ≥1.58 | ≥1.58 | ≥1.58 | ≥1.58 | |||||||
NIPPLE | ≥1.65 | ≥1.65 | ≥1.65 | ≥1.65 | ≥1.65 | |||||||||
RESISTIVITY | ELECTRODE | μΩM | ≤ 8.5 | ≤ 8.5 | ≤ 8.5 | ≤ 8.5 | ≤ 8.5 | |||||||
NIPPLE | ≤ 5.0 | ≤ 5.0 | ≤ 5.0 | ≤ 5.0 | ≤ 5.0 | |||||||||
BENDING STRENGTH | ELECTRODE | MPA | ≥12.0 | ≥12.0 | ≥12.0 | ≥12.0 | ≥12.0 | |||||||
NIPPLE | ≥16.0 | ≥16.0 | ≥16.0 | ≥16.0 | ≥16.0 | |||||||||
ELASTIC MODULUS | ELECTRODE | GPA | ≤8.0 | ≤8.0 | ≤8.0 | ≤8.0 | ≤8.0 | |||||||
NIPPLE | ≤12.0 | ≤12.0 | ≤12.0 | ≤12.0 | ≤12.0 | |||||||||
C.T.E. (100-600/℃) | ELECTRODE | 10-6/℃ | ≤ 2.9 | ≤ 2.9 | ≤ 2.9 | ≤ 2.9 | ≤ 2.9 | |||||||
NIPPLE | ≤ 2.9 | ≤ 2.9 | ≤ 2.9 | ≤ 2.9 | ≤ 2.9 | |||||||||
ASH | % | ≤0.3 | ≤0.3 | ≤0.3 | ≤0.3 | ≤0.3 | ||||||||
Standard Size of Electrodes and Tapered Nipples | |||||||||||||||
Diameter (mm) | Standard Nipple size | Diameter Tolerance | Nominal Length | ||||||||||||
4 T.P.I Nipple | 3 T.P.I Nipple | Max (mm) | Min (mm) | Low Spot (mm) | Supplied (mm) | ||||||||||
Dia (mm) | Length (mm) | Dia (mm) | Length (mm) | ||||||||||||
75 | 46.04 | 76.20 | 78 | 73 | 72 | 1000,1200 | |||||||||
100 | 69.85 | 101.60 | 103 | 98 | 97 | 1000,1200,1500 | |||||||||
130 | 79.38 | 127.00 | 132 | 127 | 126 | 1000,1200,1500 | |||||||||
150 | 92.08 | 139.70 | 154 | 149 | 146 | 1200,1500,1800 | |||||||||
175 | 107.95 | 165.10 | 179 | 174 | 171 | 1200,1500,1800 | |||||||||
200 | 122.24 | 177.80 | 205 | 200 | 197 | 1200,1500,1800 | |||||||||
225 | 139.70 | 177.80 | 230 | 225 | 222 | 1500,1800 | |||||||||
250 | 152.40 | 190.50 | 155.58 | 220.10 | 256 | 251 | 248 | 1500,1800 | |||||||
300 | 177.80 | 215.90 | 177.17 | 270.90 | 307 | 302 | 299 | 1500,1800,2100 | |||||||
350 | 203.20 | 254.00 | 215.90 | 304.80 | 357 | 352 | 349 | 1500,1800,2100 | |||||||
400 | 222.25 | 304.80 | 215.90 | 304.80 | 409 | 403 | 400 | 1500,1800,2100,2400,2700 | |||||||
400 | 222.25 | 355.60 | 241.30 | 338.70 | 409 | 403 | 400 | 1500,1800,2100,2400,2700 | |||||||
450 | 241.30 | 304.80 | 24I.30 | 304.80 | 460 | 454 | 451 | 1800, 2100, 2400, 2700 | |||||||
450 | 241.30 | 355.60 | 273.05 | 355.60 | 460 | 454 | 451 | 1800, 2100, 2400, 2700 | |||||||
500 | 269.88 | 355.60 | 273.05 | 355.60 | 511 | 505 | 502 | 1800, 2100, 2400, 2700 | |||||||
500 | 269.88 | 457.20 | 298.45 | 372.60 | 511 | 505 | 502 | 1800, 2100, 2400, 2700 | |||||||
550 | 298.45 | 355.60 | 298.45 | 372.50 | 562 | 556 | 553 | 1800, 2100, 2400, 2700 | |||||||
550 | 298.45 | 457.20 | 562 | 556 | 553 | 1800, 2100, 2400, 2700 | |||||||||
600 | 317.5 | 355.60 | 613 | 607 | 604 | 1800, 2100, 2400, 2700 | |||||||||
600 | 317.5 | 457.20 | 613 | 607 | 604 | 1800, 2100, 2400, 2700 | |||||||||
650 | 355.60 | 457.20 | 657 | 663 | 655 | 2400, 2700 | |||||||||
650 | 355.60 | 558.80 | 657 | 663 | 655 | 2400, 2700 | |||||||||
700 | 374.65 | 457.20 | 714 | 708 | 705 | 2400, 2700 | |||||||||
700 | 374.65 | 558.80 | 714 | 708 | 705 | 2400, 2700 | |||||||||
An increasing proportion of global steel is made using electric arc furnaces, and the electric arc furnace itself is getting more
efficient and making more steel per tonne of electrode.
efficient and making more steel per tonne of electrode.
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FAQ
Q1. Can I have a sample order for Battery?
A: Yes, we welcome sample order to test and check quality.
Q2. What about the lead time?
A: Sample needs 5-10 days, mass production time needs 25-30 days.
Q3. Do you have any MOQ limit for Battery?
A: Low MOQ, 1pc for sample checking is available.
Q4. How do you ship the goods and how long does it take to arrive?
A: We usually ship by UPS, TNT... It usually takes 3-5 days to arrive. Airline and sea shipping also optional.
Q5. How to proceed an order for Battery?
A: Firstly please let us know your demands or applications.
Secondly we would quote according to your requirements or our suggestions.
Thirdly please check the samples and places deposit for formal order if you like it.
Lastly we arrange the production.
Q6: Do you offer guarantee for the products?
A: Yes, we offer 2 years warranty to our products.
Q7: How to deal with the faulty?
A: For one thing, our products are produced in strict quality control system and the defective rate will be less than 0.2%.
For another, during the guarantee period, we will send new batteries with new order for small quantity. For defective batch
products, we will repair them and resend them to you or we can discuss the solution including re-call according to real situation.
A: Yes, we welcome sample order to test and check quality.
Q2. What about the lead time?
A: Sample needs 5-10 days, mass production time needs 25-30 days.
Q3. Do you have any MOQ limit for Battery?
A: Low MOQ, 1pc for sample checking is available.
Q4. How do you ship the goods and how long does it take to arrive?
A: We usually ship by UPS, TNT... It usually takes 3-5 days to arrive. Airline and sea shipping also optional.
Q5. How to proceed an order for Battery?
A: Firstly please let us know your demands or applications.
Secondly we would quote according to your requirements or our suggestions.
Thirdly please check the samples and places deposit for formal order if you like it.
Lastly we arrange the production.
Q6: Do you offer guarantee for the products?
A: Yes, we offer 2 years warranty to our products.
Q7: How to deal with the faulty?
A: For one thing, our products are produced in strict quality control system and the defective rate will be less than 0.2%.
For another, during the guarantee period, we will send new batteries with new order for small quantity. For defective batch
products, we will repair them and resend them to you or we can discuss the solution including re-call according to real situation.
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