Good Quality Graphite Electrode - HP 350mm Graphite Electrode – Hexi
Good Quality 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 |
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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:

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It can be our duty to satisfy your preferences and successfully serve you. Your pleasure is our best reward. We have been looking forward to the go to for joint expansion for Good Quality Graphite Electrode - HP 350mm Graphite Electrode – Hexi, The product will supply to all over the world, such as: Florida, Washington, Mumbai, We insist on the principle of "Credit being primary, Customers being the king and Quality being the best", we are looking forward to the mutual cooperation with all friends at home and abroad and we will create a bright future of business.
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