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GRAPHITE
ELECTRODES (2)
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Allowed Current Carrying Load of Electrode
of Regular power:
Nominal Diameter mm |
Current carrying load A |
Current density A/cm2 |
75 |
1000~1400 |
22~31 |
100 |
1500~2400 |
19~30 |
130 |
2200~3400 |
17~26 |
150 |
3000~4500 |
16~25 |
200 |
5000~6900 |
15~21 |
250 |
7000~10000 |
14~20 |
300 |
10000~13000 |
14~18 |
350 |
13500~18000 |
14~18 |
400 |
18000~23500 |
14~18 |
450 |
22000~27000 |
13~17 |
500 |
25000~32000 |
13~16 |
550 |
30000~42000 |
13~18 |
600 |
40000~53000 |
14~19 |
|
Current-carrying Capacities
of High Power Graphite Electrode:
Nominal Diameter mm |
Current carrying load A |
Current density A/cm2 |
|
300
350
400
450
500
550
600 |
13000~17400
17400~24000
21000~31000
25000~40000
30000~48000
44000~58000
52000~67000 |
17~24
17~24
16~24
15~24
15~24
18~24
18~24 |
|
Current-carrying Capacities of Ultra High Power Graphite
Electrode:
| Nominal
Diameter mm |
Current
carrying load A |
Current
density A/cm2 |
| 400 |
25000~40000 |
19~30 |
| 450 |
32000~45000 |
19~27 |
| 500 |
38000~55000 |
18~27 |
| 550 |
48000~66000 |
20~28 |
| 600 |
55000~76000 |
19~27 |
|
Current-carrying Capacities
of Impregnated (High Density) Graphite Electrode:
Nominal Diameter mm |
Current carrying load A |
Current density A/cm2 |
75 |
1050~1450 |
23~32 |
100 |
1700~2500 |
22~31 |
130 |
2500~3700 |
19~28 |
150 |
3300~4800 |
18~27 |
200 |
6000~8200 |
18~25 |
250 |
8500~11500 |
17~23 |
300 |
11400~15800 |
16~22 |
350 |
15400~22000 |
16~22 |
400 |
19200~28700 |
15~22 |
450 |
23700~33300 |
14~21 |
500 |
27000~40000 |
14~20 |
|
 |
Dimension of cylindrical
Nipple
Dim |
Nipple mm |
Socket mm |
Pitch |
D |
d |
L |
d2 |
l |
D1 |
d1 |
H |
a |
b |
c |
75
100
130
150
200 |
41.20
66.70
69.80
88.90
122.20 |
0
-0.5 |
33.80
59.30
62.40
81.50
114.80 |
0
-0.50 |
103
135
153
169
203 |
0
-1 |
32
56
59
78
112 |
0
-2 |
6 |
42.50
68.00
71.10
90.20
123.5 |
0.5
0 |
35.10
60.60
63.70
82.80
116.1 |
0.5
0 |
53
69
78
86
103 |
10
4 |
8.47 |
2.37 |
2.82 |
250
300
350
400 |
152.40
184.20
215.90
244.50 |
141.50
173.30
205.00
233.60 |
228
254
280
305 |
139
170
202
230 |
0
-3 |
10 |
154.10
185.90
217.60
246.20 |
143.20
175.00
206.70
235.30 |
116
129
142
155 |
12.7 |
3.67 |
4.23 |
450
500 |
274.30
296.00 |
0
-0.7 |
263.40
285.10 |
0
-0.7 |
340
375 |
0
-2 |
260
280 |
276.00
297.70 |
0.7
0 |
265.10
286.80 |
0.7
0 |
173
190 |
|
Dimension of Tapered Nipple:
Electrode Diameter |
Nipple mm |
Socket mm |
Pitch |
D |
L |
d2 |
l |
d1 |
H
|
250
300
350
400
450
500 |
155.58
177.17
215.90
241.30
273.05
298.45 |
0
-0.50 |
220.10
270.90
304.80
338.60
355.60
372.50 |
0
-1 |
103.80
116.90
150.00
169.80
198.70
221.30 |
0
-3 |
10 |
147.14
168.73
207.47
232.87
264.62
290.02 |
+0.50
0 |
113.05
138.45
155.40
172.30
180.80
189.25 |
7
0 |
8.47 |
75
100
130
150
200
250
300
350
400
450
500 |
46.04
69.85
79.38
92.08
122.24
152.40
177.80
203.20
222.25
241.30
269.88 |
0
-0.50 |
76.20
101.60
127.00
139.70
177.80
190.50
215.90
254.00
304.80
304.80
355.60 |
0
-1 |
20.80
40.30
45.60
56.20
80.00
108.00
129.20
148.20
158.80
177.90
198.00 |
0
-3 |
6 |
39.72
63.53
73.06
85.76
115.92
146.08
171.48
196.88
215.93
234.98
263.56 |
0.50
0 |
41.40
53.80
66.50
72.85
91.90
101.30
114.00
133.00
158.40
158.40
183.80 |
7
0 |
6.35 |
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Specifications Tolerance:
Diameter mm |
Length mm |
Nominal Diameter |
Max |
Min |
Min of blacking |
Standard |
Length |
Short diameter length |
75
100
130 |
77
102
131 |
74
99
128 |
72
97
126 |
1000
1200
1200 |
+50-70 |
-225 |
150
200 |
154
204 |
151
201 |
148
198 |
1600
1600 |
+100 |
-275 |
250
300
350 |
256
307
357 |
252
303
353 |
249
300
350 |
1600,
1800 |
400
450
500 |
408
459
510 |
404
455
506 |
401
452
503 |
(1600),
1800,
2000 |
550
600 |
561
612 |
577
608 |
|
2000~2500 |
+100 |
|
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Average Weight of Each Electrode (kg):
Nominal Diameter mm |
75 |
100 |
150 |
200 |
250 |
300 |
350 |
400 |
Electrode |
9 |
17 |
47 |
77 |
133 |
189 |
239 |
314 |
Tapered Nipple |
0.18 |
0.40 |
1.0 |
2.36 |
5.11 |
8.08 |
14.00 |
18.8 |
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