High Quality Rp Ordinary Power Graphite Electrode - HP 350mm Graphite Electrode – Hexi
High Quality Rp Ordinary Power Graphite Electrode - HP 350mm Graphite Electrode – Hexi Detail:


HP graphite electrode is mainly made of petroleum coke and needle coke, It is capable of carrying the current density 18-25A/cm2. Generally it is designed for high power electric arc furnace steel-making.
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Allowable current load for ultra-high power graphite electrodes |
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nominal diameter |
allowable current |
nominal diameter |
allowable current |
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mm |
A |
A/㎡ |
mm |
A |
A/㎡ |
|
250 |
9000~14000 |
18~25 |
500 |
38000~55000 |
18~27 |
|
300 |
15000~22000 |
20~30 |
550 |
45000~65000 |
18~27 |
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350 |
20000~30000 |
20~30 |
600 |
52000~78000 |
18~27 |
|
400 |
25000~40000 |
16~24 |
650 |
70000~86000 |
21~25 |
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450 |
32000~45000 |
19~27 |
700 |
73000~96000 |
18~24 |
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Ultra high power graphite electrode and joint standard |
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items |
unit |
nominal diameter(mm) |
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250~400 |
450~550 |
600~700 |
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specific resistance |
electrode nipple |
μ Ω•m |
4.8~5.8 3.4~4.0 |
4.5~5.6 3.4~3.8 |
4.5~5.4 3.0~3.6 |
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transverse strength |
electrode nipple |
MPa |
≥12.0 ≥22.0 |
≥12.0 ≥22.0 |
≥10.0 ≥24.0 |
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elastic modulus |
electrode nipple |
GPa |
≤13.0 ≤18.0 |
≤13.0 ≤18.0 |
≤13.0 ≤20.0 |
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灰分 ash content |
electrode nipple |
% |
≤0.2 |
≤0.2 |
≤0.2 |
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bulk density |
electrode nipple |
g/m³ |
1.68~1.73 1.78~1.84 |
1.68~1.72 1.78~1.84 |
1.68~1.72 1.80~1.86 |
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(C.T.E) |
electrode nipple |
10℃ |
≤1.2 ≤1.0 |
≤1.2 ≤1.0 |
≤1.2 ≤1.0 |
|
mm |
A |
A/㎡ |
mm |
A |
A/㎡ |
|
250 |
9000~14000 |
18~25 |
500 |
38000~55000 |
18~27 |
|
300 |
15000~22000 |
20~30 |
550 |
45000~65000 |
18~27 |
|
350 |
20000~30000 |
20~30 |
600 |
52000~78000 |
18~27 |
|
400 |
25000~40000 |
16~24 |
650 |
70000~86000 |
21~25 |
|
450 |
32000~45000 |
19~27 |
700 |
73000~96000 |
18~24 |
Product detail pictures:

Related Product Guide:
Our eternal pursuits are the attitude of "regard the market, regard the custom, regard the science" as well as the theory of "quality the basic, have confidence in the very first and management the advanced" for High Quality Rp Ordinary Power Graphite Electrode - HP 350mm Graphite Electrode – Hexi, The product will supply to all over the world, such as: San Diego, Hanover, Jamaica, We mainly sell in wholesale, with the most popular and easy ways of making payment, which are paying via Money Gram, Western Union, Bank Transfer and Paypal. For any further talk, just feel free to contact our salesmen, who are really good and knowledgeable about our prodcuts.
This supplier offers high quality but low price products, it is really a nice manufacturer and business partner.





