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Address:YINGDU BUILDING,120 HUAIHAI WEST ROAD XUZHOU CHINA.
TEL:0086-516-83890689
FAX:0086-516-83890689
Mobile:0086-133-8267-1290 |
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Graphite Electrode
 Graphite Electrodes are widely used in electric arc furnace and ladle refining furnace for steel making and in electric smelting furnace for producing industrial silicon, yellow phosphorus, corundum and so on. |
Specifications of Regular Power Graphite Electrodes
| Item |
Unit |
Nominal Diameter (mm) |
| 75-130 |
150-225 |
250-300 |
350-500 |
Specific Resistance
Max |
Electrode |
μO · m |
8.5 |
9.0 |
9.0 |
9.5 |
| Nipple |
8.5 |
8.5 |
8.5 |
8.5 |
Transverse strength
Min |
Electrode |
MPa |
9.8 |
9.8 |
7.8 |
6.4 |
| Nipple |
13.0 |
13.0 |
13.0 |
13.0 |
Elastic modulus
Max |
Electrode |
GPa |
9.3 |
9.3 |
9.3 |
9.3 |
| Nipple |
14.0 |
14.0 |
14.0 |
14.0 |
Bulk density
Min |
Electrode |
g/cm 3 |
1.58 |
1.52 |
1.52 |
1.52 |
| Nipple |
1.63 |
1.63 |
1.68 |
1.68 |
C.T.E
Max |
Electrode |
10 -6 /°C |
2.9 |
2.9 |
2.9 |
2.9 |
| Nipple |
2.7 |
2.7 |
2.8 |
2.8 |
Ash
Max |
Electrode |
% |
0.5 |
0.5 |
0.5 |
0.5 |
| Nipple |
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Specifications of High Density Graphite Electrodes
| Item |
Unit |
Nominal Diameter (mm) |
| 75-200 |
225-300 |
350-500 |
Specific Resistance
Max |
Electrode |
μO · m |
8.0 |
8.0 |
8.0 |
| Nipple |
7.5 |
7.5 |
7.5 |
Transverse strength
Min |
Electrode |
MPa |
9.8 |
9.8 |
7.8 |
| Nipple |
13.0 |
13.0 |
13.0 |
Elastic modulus
Max |
Electrode |
GPa |
12.0 |
12.0 |
12.0 |
| Nipple |
14.0 |
14.0 |
14.0 |
Bulk density
Min |
Electrode |
g/cm 3 |
1.58 |
1.58 |
1.56 |
| Nipple |
1.68 |
1.68 |
1.68 |
C.T.E
Max |
Electrode |
10 -6 /°C |
2.7 |
2.7 |
2.7 |
| Nipple |
2.5 |
2.5 |
2.5 |
Ash
Max |
Electrode |
% |
0.3 |
0.3 |
0.3 |
| Nipple |
|
Specifications of High Power Graphite Electrodes
| Item |
Unit |
Nominal Diameter (mm) |
| 200-400 |
400-500 |
Specific Resistance
Max |
Electrode |
μO · m |
7.0 |
7.5 |
| Nipple |
6.5 |
6.5 |
Transverse strength
Min |
Electrode |
MPa |
10.5 |
9.8 |
| Nipple |
14.0 |
14.0 |
Elastic modulus
Max |
Electrode |
GPa |
12.0 |
12.0 |
| Nipple |
16.0 |
16.0 |
Bulk density
Min |
Electrode |
g/cm 3 |
1.60 |
1.60 |
| Nipple |
1.70 |
1.70 |
C.T.E
Max |
Electrode |
10 -6 /°C |
2.4 |
2.4 |
| Nipple |
2.2 |
2.2 |
Ash
Max |
Electrode |
% |
0.3 |
0.3 |
| Nipple |
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Sizes of Graphite Electrodes
| Nominal diameter |
Actual diameter |
Actual length |
| mm |
inch |
Max |
Min |
Rough spot |
Length |
Short length |
| 75 |
3 |
77 |
73 |
72 |
1000 |
±50 |
-255 |
| 100 |
4 |
102 |
99 |
97 |
1200 |
| 130 |
5 |
131 |
128 |
126 |
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| 150 |
6 |
154 |
151 |
148 |
1650
1800 |
±100 |
-275 |
| 175 |
7 |
179 |
176 |
173 |
| 200 |
8 |
204 |
200 |
198 |
| 225 |
9 |
230 |
226 |
223 |
| 250 |
10 |
256 |
251 |
249 |
| 300 |
12 |
307 |
302 |
300 |
| 350 |
14 |
357 |
352 |
350 |
| 400 |
16 |
409 |
403 |
401 |
| 450 |
18 |
460 |
454 |
452 |
| 500 |
20 |
510 |
505 |
503 |
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