Super Lowest Price Graphite Electrode Of Ultra High Power - HP 350mm Graphite Electrode – Hexi
Super Lowest Price Graphite Electrode Of Ultra High Power - 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 |
|
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 |
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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 |
|
灰分 ash content |
electrode nipple |
% |
≤0.2 |
≤0.2 |
≤0.2 |
|
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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