Technical Specification of HP Graphite Electrode
|
Item |
Unit |
HP Nominal Diameter(mm) |
HP Nominal Diameter(mm) |
||||||
|
YB/T4089 Industry Standard |
Enterprise Standard |
||||||||
|
300-400 |
450-500 |
550-700 |
300-400 |
450-500 |
550-700 |
||||
|
LSR≤ |
Electrode |
μΩ.M |
7.0 |
7.5 |
7.5 |
6.2 |
6.2 |
6.2 |
|
|
Nipple |
6.3 |
6.3 |
6.3 |
4.3 |
4.3 |
4.3 |
|||
|
Flexural Strength ≥ |
Electrode |
Mpa |
10.5 |
10.0 |
8.5 |
11.0 |
10.5 |
9.0 |
|
|
Nipple |
17.0 |
17.0 |
17.0 |
18.0 |
18.0 |
18.0 |
|||
|
Elastic Modulus ≤ |
Electrode |
Gpa |
14.0 |
14.0 |
14.0 |
9.0 |
9.0 |
9.0 |
|
|
Nipple |
16.00 |
16.00 |
16.00 |
13.00 |
13.00 |
13.00 |
|||
|
Bulk Density ≥ |
Electrode |
g/cm³ |
1.60 |
1.60 |
1.60 |
1.67 |
1.67 |
1.67 |
|
|
Nipple |
1.72 |
1.72 |
1.72 |
1.77 |
1.77 |
1.77 |
|||
|
CTE ≤ |
Electrode |
10-6/ ℃ |
2.4 |
2.4 |
2.4 |
2.0 |
2.0 |
2.0 |
|
|
Nipple |
2.2 |
2.2 |
2.2 |
1.8 |
1.8 |
1.8 |
|||
|
Ash ≤ |
% |
0.5 |
0.5 |
0.5 |
0.2 |
0.2 |
0.2 |
||