New Arrival China Graphite Electrode Rp Grade - HP 350mm Graphite Electrode – Hexi
New Arrival China Graphite Electrode Rp Grade - 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 |
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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:
Bear "Customer first, High quality first" in mind, we perform closely with our consumers and provide them with efficient and experienced services for New Arrival China Graphite Electrode Rp Grade - HP 350mm Graphite Electrode – Hexi, The product will supply to all over the world, such as: India, Portugal, Bhutan, We set "be a creditable practitioner to achieve the continuous development and innovation" as our motto. We would like to share our experience with friends at home and abroad, as a way to create a bigger cake with our joint efforts. We have several experienced R & D persons and we welcome OEM orders.
By Chris Fountas from Bahrain - 2017.06.22 12:49
We have been cooperated with this company for many years, the company always ensure timely delivery ,good quality and correct number, we are good partners.
By Marguerite from Armenia - 2018.12.11 11:26
