Good Wholesale Vendors Large Sized Diameter Graphite Electrode - 350mm high power graphite electrode – Hexi
Good Wholesale Vendors Large Sized Diameter Graphite Electrode - 350mm high power graphite electrode – Hexi Detail:
Grade:High Power
Applicable furnace: EAF
Length: 1800mm/2100mm/2400mm
Nipple:3TPI/4TPI
Shipping Term: EXW/FOB/CIF
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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高功率石墨电极和接头标准 High power graphite electrode and joint standard |
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项目items |
单位unit |
公称直径 nominal diameter(mm) |
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200~400 |
450~550 |
550~700 |
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电阻率 specific resistance |
电极接头 electrode nipple |
μ Ω•m |
5.2~6.5 3.5~4.5 |
5.2~6.5 3.5~4.5 |
5.2~6.5 3.2~4.3 |
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抗折强度 transverse strength |
电极接头 electrode nipple |
MPa |
≥11.0 ≥22.0 |
≥11.0 ≥22.0 |
≥10.0 ≥22.0 |
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弹性模量 elastic modulus |
电极接头 electrode nipple |
GPa |
≤12.0 ≤15.0 |
≤12.0 ≤15.0 |
≤12.0 ≤15.0 |
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灰分 ash content |
电极接头 electrode nipple |
% |
≤0.2 |
≤0.2 |
≤0.2 |
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体积密度 bulk density |
电极接头 electrode nipple |
g/m³ |
1.68~1.73 1.78~1.83 |
1.68~1.73 1.78~1.83 |
1.68~1.72 1.78~1.83 |
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热膨胀系数 (C.T.E) |
电极接头 electrode nipple |
10℃ |
≤2.0 ≤1.8 |
≤2.0 ≤1.8 |
≤2.0 ≤1.8 |
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高功率石墨电极允许的电流负载 Allowable current load for high-power graphite electrodes |
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公称直径 nominal diameter |
允许电流 allowable current |
公称直径 nominal diameter |
允许电流 allowable current |
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mm |
A |
A/㎡ |
mm |
A |
A/㎡ |
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200 |
6500~10000 |
18~25 |
450 |
25000~40000 |
15~24 |
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250 |
8000~13000 |
17~27 |
500 |
30000~48000 |
15~24 |
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300 |
13000~17500 |
17~24 |
550 |
34000~53000 |
14~22 |
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350 |
17400~24000 |
17~24 |
600 |
38000~58000 |
13~21 |
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400 |
21000~31000 |
16~24 |
700 |
45000~72000 |
12~19 |
Product detail pictures:

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