| Flexural Strength (N/㎡): | >=9.8 |
|---|---|
| Thermal Expansion: | <=2.7 |
| Apparent Density (g/cm3 ): | 1.63 |
| Resistance (μΩ.m): | <=7.5 |
| Grade: | UHP (Ultra High Power) |
| Length: | 1000-2700mm |
| Diameter: | 75-600mm |
| Application: | steelmaking non ferrous |
| Type: | Electrode Block |
| Model Number: | graphite electrodes |
| Brand Name: | graphite electrodes |
| Place of Origin: | China (Mainland) |
Quick Details
Specifications
Graphite electrode, widely used in steelmaking, non ferrous, silicon industry. According to their level of quality, it can be deivided into RP, HD, HP and UHP grade.
Detail Specification
1.Grade:RP, HP, UHP, SHP, RPI
2. Diameter: 200mm to 700mm at your choice
3. Length: 1800mm to 2700mm at your choice
4. Nipple: 3-4 TP
Physical and chemical index:
|
Items
|
Unit |
RP |
HP |
UHP |
|||||
|
250-300mm |
350-550mm |
200-400mm |
450-550mm |
300-400mm |
450-550mm |
||||
|
Resistivity(MAX)
|
Electrode |
μΩ·m |
9.0 |
7 |
7.5 |
6.2 |
6.5 |
||
|
Nipple |
8.5 |
6.5 |
5.5 |
||||||
|
Bending Strength(MIN) |
Electrode |
Mpa |
7.8 |
6.4 |
10.5 |
9.8 |
10.5 |
10.0 |
|
|
Nipple |
13.0 |
14.0 |
16.0 |
||||||
|
Elastic Modulus |
Electrode |
Gpa |
9.3 |
12.0 |
14.0 |
||||
|
Nipple |
14.0 |
16.0 |
18.0 |
||||||
|
Bulk Density |
Electrode |
g/cm3 |
1.52 |
16.0 |
1.65 |
1.64 |
|||
|
Nipple |
1.68 |
17.0 |
1.72 |
1.70 |
|||||
Recommended current carrying capacity:
|
Nominal diameter |
RP |
HP |
UHP |
||||||||
|
Electrical Arc furnace |
Electrical arc furnace |
Ladle Refining furnace |
Electrical arc furnace |
Ladle Refining furnace |
|||||||
|
Current Carrying Capacity |
Current Density |
Current Carrying Capacity |
Current Density |
Current Carrying Capacity |
Current Density |
Current Carrying Capacity |
Current Density |
Current Carrying Capacity |
Current Density |
||
|
in |
mm |
A |
A/cm2 |
A |
A/cm2 |
A |
A/cm2 |
A |
A/cm2 |
A |
A/cm2 |
|
12 |
300 |
1100- 1500 |
15-21 |
13000- 17500 |
18-25 |
15000- 21000 |
21-29 |
|
|
|
|
|
14 |
350 |
15000- 20000 |
15-20 |
17500- 24500 |
18-25 |
20000- 28000 |
21-29 |
22000- 31000 |
23-32 |
24000- 33000 |
25-34 |
|
16 |
400 |
1900- 26000 |
15-20 |
21500- 32000 |
17-25 |
24000- 35000 |
19-28 |
28000- 41000 |
22-32 |
31000- 44000 |
24-34 |
|
18 |
450 |
23000 31000 |
14-19 |
26000- 40500 |
16-25 |
29000- 45000 |
18-28 |
33000- 46000 |
20-28 |
36000- 49000 |
22-30 |
|
20 |
500 |
2800- 3600 |
14-18 |
32000- 50000 |
16-25 |
32000- 50000 |
17-27 |
38000- 56000 |
19-28 |
42000- 60000 |
21-30 |
|
22 |
550 |
32000 42000 |
13-17 |
37000- 57000 |
15-23 |
37000- 57000 |
16-25 |
45000- 65000 |
18-26 |
50000- 70000 |
20-28 |