UHP 500mm Is Used in Brown Fused Alumina And Steel Melting
Products Description
UHP 500mm is used in brown fused alumina and steel melting
Brown fused alumina (BFA) is an abrasive material made from roasted bauxite. Due to its high hardness and toughness, it is widely used in various fields such as grinding, polishing and surface treatment. In the production process of brown fused alumina, UHP 500mm graphite electrodes can be used for raw material smelting in electric arc furnaces.
In the steel industry, UHP 500mm graphite electrodes are key components for molten steel smelting. These large diameter electrodes are able to efficiently conduct electrical current, generating the heating necessary to melt raw materials such as scrap metal and fine iron.
UHP 500mm graphite electrodes are used in brown fused alumina metallurgy and steel production. In brown fused alumina smelting, they are used to provide the electrical current required for the refining process, and in steel production they serve as key elements for melting and refining raw materials in electric arc furnaces.
Physical & chemical properties of UHP graphite electrode and nipples
HS CODE:8545110000
|
Item |
Unit |
Diameter 500(505-511)mm |
|||
|
UHP Graphite Electrode |
Nipple |
||||
|
Guaranteed |
Typical |
Guaranteed |
Typical |
||
|
Resistivity ≤ |
UΩ*m |
6.3 |
5.0-6.0 |
5.3 |
3.8-4.5 |
|
Flexural strength≥ |
MPA |
10.5 |
11.0-13.0 |
20 |
20-25 |
|
Young’s modulus≤ |
GPA |
14 |
8-12 |
20 |
12-16 |
|
Bulk density≥ |
G/CM3 |
1.66 |
1.68-1.73 |
1.75 |
1.76-1.82 |
|
CTE(100 ℃-600℃) ≤ |
10-6/℃ |
1.5 |
1.3-1.5 |
1.4 |
1.0-1.3 |
|
ASH ≤ |
% |
0.5 |
0.2-0.4 |
0.5 |
0.2-0.4 |
Note:We can provide lengths of 1800/1900/2000/2100/2400mm for UHP500 graphite electrodes. Of course, we can also customize the length according to customer requirements.
Recommended current load of electrode
|
Grade |
Inch |
Nominal Dia |
Allowable current |
Current density |
||
|
AC |
DC |
AC |
DC |
|||
|
UHP Graphite Electrode |
10 |
250 |
10000-13000 |
- |
14-18 |
- |
|
12 |
300 |
13500-20000 |
- |
14-18 |
- |
|
|
14 |
350 |
20000-32000 |
- |
20-32 |
- |
|
|
16 |
400 |
25000-41000 |
- |
20-32 |
- |
|
|
18 |
450 |
32000-49000 |
- |
20-30 |
- |
|
|
20 |
500 |
40000-60000 |
- |
20-30 |
- |
|
|
22 |
550 |
45000-68000 |
49000-78000 |
18-28 |
20-32 |
|
|
24 |
600 |
52000-81000 |
58000-93000 |
18-28 |
20-32 |
|
|
26 |
650 |
60000-85000 |
64000-100000 |
18-28 |
20-32 |
|
|
28 |
700 |
71000-100000 |
79000-120000 |
18-27 |
20-30 |
|
|
30 |
750 |
82000-123000 |
91000-135000 |
18-27 |
20-30 |
|
Recommended current load of electrode
Recommended Tighening Torque
|
Electorde Dia |
Torque |
|
250 |
800 |
|
300 |
900 |
|
350 |
1300 |
|
400 |
1550 |
|
450 |
1850 |
|
500 |
2400 |
|
550 |
2750 |
|
600 |
3800 |
|
650 |
4300 |
|
700 |
5200 |
|
750 |
6800 |
Application of UHP500mm used in brown fused alumina and steel melting
Brown fused alumina smelting: In the production of brown fused alumina, UHP 500mm graphite electrodes are used in electric arc furnaces (EAFs). These electrodes serve as conductors and generate an arc between the electrode and the raw materials, which typically include calcined bauxite and other additives. The high temperature generated by the arc melts the raw materials, resulting in the fusion of bauxite and the formation of brown fused alumina.
Steelmaking: UHP 500mm graphite electrodes are widely used in electric arc furnaces for steel production. During the steelmaking process, UHP 500mm electrodes are placed inside EAFs to melt scrap metal and other raw materials. The UHP 500mm graphite electrode is highly suitable for steelmaking as it can effectively conduct high currents required for this process.
UHP 500mm graphite electrodes are chosen due to their excellent conductivity, thermal stability, and mechanical strength. They can withstand harsh conditions of high-temperature smelting and play a crucial role in efficiently melting and refining materials during brown fused alumina and steel production processes.

Packing and shipping
UHP500 packaging is generally 2 pieces per pallet, but it can also be customized according to customer requirements.


FAQ
1. Are you a Manufacturer or Trader?
We are manufacturer,we have our own factory.
2. What about the lead time for mass product?
The lead time is based on the quantity, about 15-20days.For graphite product,apply Dual-use items license need about 15-20 working days.
3. What is your terms of delivery?
We accept FOB,CFR,CIF,EXW,DAP,DDP,etc.You can choose the most convenient way for you.Besides that,we can also shipping by Air and Express.
4. Product packaging?
We are packed in wooden cases,or according to your requirements.
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