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Ultra-High Power Graphite Electrodes
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    Ultra-High Power Graphite Electrodes are manufactured with 100% petroleum needle cokes according to the Ultra-high power graphite electrodes productive technology through the process of crushing, screening, dosing, kneading, extruding, baking, high impregnation, rebaking, graphitizing, machining etc. And nipples are manufactured with 100% petroleum needle cokes imported from Japan, according to the technology of triplicate impregnation and quadruple baking.

Specification of Ultra-High Power G.E.

項   目
單 位
Φ350~400mm
Φ450~600mm
檢驗
方法
內控
標準
行業
標準
內控
標準
行業
標準
電阻率
電極
10-6Ωm
5.5
6.2
5.8
6.5
YB/T120
接頭
4.5
5.5
4.5
5.5
抗折強度
電極
Mpa
11.0
10.5
11.0
10.0
GB3074.1
接頭
20.0
16.0
20.0
16.0
彈性模量
電極
Gpa
13.5
14.0
13.5
14.0
GB3074.2
接頭
18.0
18.0
18.0
18.0
灰份
電極
%
0.2
0.3
0.2
0.3
GB1429
接頭
0.2
0.3
0.2
0.3
體積密度
電極
g/cm3
1.67
1.65
1.66
1.64
YB/T119
接頭
1.75
1.72
1.75
1.70
熱膨脹系數
電極
10-61/℃
1.5
1.5
1.5
1.5
GB3074.4
接頭
1.4
1.4
1.4
1.4

Allowable Current of Ultra-High Power G.E.

公稱直徑
Nominal
Diameter
允許電流(A)
Allowable current(A)
毫米
mm
英時
Inch
普通功率電極
RP
浸漬電極
HD
高功率電極
HP
超高功率
電極
UHP
250
10
7000-10000
8000-12000
10000-13000
 
300
12
10000-13000
11000-16000
13000-17400
15000-22000
350
14
13500-18000
15000-22000
17400-24000
20000-30000
400
16
18000-23500
20000-28000
21000-32000
25000-40000
450
18
22000-27000
24000-34000
25000-40000
32000-45000
500
20
25000-32000
28000-42000
30000-48000
38000-55000
550
22
32000-40000
35000-50000
37000-57000
48000-66000
600
24
38000-47000
42000-60000
44000-67000
52000-76000

 

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