UHP Graphite Electrode for Electric Arc Furnace
The Ultra High Power (UHP) Graphite Electrodes produced by XINHUI Carbon Group adopts 100% high quality imported needle coke, advanced production equipment and technology, and is produced in strict accordance with the world class standard, the Ultra-high Power (UHP) Graphite Electrode has lower resistivity, better electrical conductivity and higher mechanical strength. The Graphite Electrode Nipples are made of 100% imported needle coke with three times impregnation and four times baking process. The product quality has approached or reached the world-class standard, which can meet the needs of various Ultra-high Power (UHP) Electric Arc Furnace (EAF) and Ladle Refining Furnace (LF) steelmaking.
Physical & chemical properties of UHP graphite electrode and nipples
|
Item |
Unit |
Nominal diameter (mm) |
||||
|
UHP graphite electrode |
||||||
|
350～500 |
550～750 |
|||||
|
Guaranteed |
Typical |
Guaranteed |
Typical |
|||
|
LSR ≤ |
E |
UΩ*m |
6.3 |
5.0～6.0 |
5.8 |
4.8～5.5 |
|
N |
5.3 |
3.8～4.5 |
4.3 |
3.5～4.1 |
||
|
Flexural |
E |
MPA |
10.5 |
11.0～13.0 |
10.0 |
10.0～13.0 |
|
N |
20.0 |
20.0～25.0 |
23.0 |
24.0～30.0 |
||
|
Elastic modulus≤ |
E |
GPA |
14 |
8.0～12.0 |
14.0 |
7.0～10.0 |
|
N |
20.0 |
12.0～16.0 |
22.0 |
16.0～21.0 |
||
|
Bulk density ≥ |
E |
G/CM3 |
1.66 |
1.68～1.73 |
1.68 |
1.69～1.73 |
|
N |
1.75 |
1.76～1.82 |
1.78 |
1.79～1.84 |
||
|
CTE(100 ℃-600℃) |
E |
10-6/℃ |
1.5 |
1.3～1.5 |
1.5 |
1.3～1.5 |
|
N |
1.4 |
1.0～1.3 |
1.3 |
1.0～1.3 |
||
|
ASH ≤ |
% |
0.5 |
0.2～0.4 |
0.5 |
0.2～0.4 |
|
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