Technical Specification of UHP Graphite Electrode
|
Item |
Unit |
UHP Nominal Diameter(mm) |
UHP Nominal Diameter(mm) |
|||||||
|
YB/T4090 Industry Standard |
Enterprise Standard |
|||||||||
|
300-400 |
450-500 |
550-650 |
700-800 |
300-400 |
450-500 |
550-650 |
650-700 |
|||
|
LSR≤ |
Electrode |
μΩ.M |
6.2 |
6.3 |
6 |
5.8 |
5.0-6.0 |
5.0-6.0 |
4.8-5.5 |
4.8-5.5 |
|
Nipple |
5.3 |
5.3 |
4.5 |
4.3 |
3.8-4.5 |
3.8-4.5 |
3.5-4.1 |
3.5-4.1 |
||
|
Flexural Strength ≥ |
Electrode |
Mpa |
10.5 |
10.5 |
10.0 |
10.0 |
11.0-13.0 |
11.0-13.0 |
10.0-13.0 |
10.0-13.0 |
|
Nipple |
20.0 |
20.0 |
22.0 |
23.0 |
20.0-25.0 |
20.0-25.0 |
24.0-30.0 |
24.0-30.0 |
||
|
Elastic Modulus ≤ |
Electrode |
Gpa |
14.0 |
14.0 |
14.0 |
14.0 |
8.0-12.0 |
8.0-12.0 |
7.0-10.0 |
7.0-10.0 |
|
Nipple |
20.0 |
20.0 |
22.0 |
22.0 |
12.0-16.0 |
12.0-16.0 |
16.0-21.0 |
16.0-21.0 |
||
|
Bulk Density ≥ |
Electrode |
g/cm³ |
1.67 |
1.66 |
1.66 |
1.68 |
1.68-1.73 |
1.68-1.73 |
1.69-1.73 |
1.69-1.73 |
|
Nipple |
1.74 |
1.75 |
1.78 |
1.78 |
1.76-1.82 |
1.76-1.82 |
1.79-1.84 |
1.79-1.84 |
||
|
CTE ≤ |
Electrode |
10-6/ ℃ |
1.5 |
1.5 |
1.5 |
1.5 |
1.3-1.5 |
1.3-1.5 |
1.3-1.5 |
1.3-1.5 |
|
Nipple |
1.4 |
1.4 |
1.3 |
1.3 |
1.0-1.4 |
1.0-1.4 |
1.0-1.3 |
1.0-1.3 |
||
|
Ash ≤ |
% |
0.5 |
0.5 |
0.5 |
0.5 |
0.2 |
0.2 |
0.2 |
0.2 |
|