Specification of High Power G.E
|
Items |
Unit |
Nominal diameter(mm) |
|
200-400 |
450-500 |
550-600 |
|
Specific resistance not over |
Electrode |
μΩ.m |
6.3 |
6.3 |
6.3 |
|
Nipple |
4.5 |
4.5 |
4.5 |
|
Bending strength not below |
Electrode |
MPa |
12 |
12 |
12 |
|
Nipple |
18 |
20 |
20 |
|
Elastic modulus not over |
Electrode |
GPa |
12 |
12 |
12 |
|
Nipple |
16 |
18 |
18 |
|
Ash content not over |
Electrode |
% |
0.2 |
0.2 |
0.2 |
|
Nipple |
|
Bulk density not below |
Electrode |
g/cm3 |
1.66 |
1.66 |
1.66 |
|
Nipple |
1.78 |
1.78 |
1.78 |
|
(C.T.E)not over |
Electrode |
10-6/℃ |
1.8 |
1.8 |
1.8 |
|
Nipple |
1.4 |
1.4 |
1.4 |
Allowable Current of High Power G.E
|
Nominal Diameters |
Allowable Current |
Current Desity |
|
mm |
A |
A∕C㎡ |
|
200 |
5500-9000 |
18-25 |
|
225 |
6500-10000 |
18-25 |
|
250 |
8000-13000 |
18-25 |
|
300 |
13000-17400 |
17-24 |
|
350 |
17400-24000 |
17-24 |
|
400 |
21000-31000 |
16-24 |
|
450 |
25000-40000 |
15-24 |
|
500 |
30000-48000 |
15-24 |
|
550 |
37000-58000 |
15-23 |
|
600 |
42000-65000 |
15-23 |
Specification and Tolerance
|
Diameter （mm） |
Length （mm） |
|
Norminal Diameter |
Max |
Min |
Min of Blacking |
Standard |
Tolerance |
Short dimension length |
|
200 |
205 |
200 |
197 |
1600 |
±100 |
-275 |
|
225 |
230 |
225 |
222 |
|
250 |
256 |
251 |
248 |
1600
1800 |
|
300 |
307 |
302 |
299 |
|
350 |
357 |
352 |
349 |
|
400 |
409 |
403 |
400 |
1600
1800
2000
2200 |
|
450 |
460 |
454 |
451 |
|
500 |
511 |
505 |
502 |
1800
2000
2200
2400 2700 |
|
550 |
562 |
556 |
553 |
|
600 |
613 |
607 |
604 |
1)Diameter from 200mm to 600mm(14"-24")
2)Nipples: 3TPI; 4TPI with or without gluing tar
3)Length:1600mm to 2700mm
