UHP450mm For Zirconia And Large Crystal Smelting
Products Description
UHP450mm for zirconia and large crystal smelting
UHP450mm graphite electrodes are used in two different industrial processes: zirconia smelting and large crystal metallurgy.
Zirconia Smelting: Zirconia, also known as zirconium dioxide (ZrO2), is a high-performance ceramic material with various applications including refractory materials, ceramics, and dental prosthetics. The UHP450mm graphite electrode generates an arc between the electrode and the raw materials, typically zirconium compounds, heating and melting them to produce liquid zirconia. The liquid zirconia is then processed and shaped into various forms to meet specific industrial application requirements such as refractory bricks, ceramic coatings, and dental crowns.
Large Crystal Metallurgy: Large crystals such as silicon wafers used in the semiconductor industry are manufactured using methods like Czochralski or Bridgman-Stockbarger. The arc generated by the UHP450mm graphite electrode provides the high temperature required for melting the raw materials. As the molten material cools down and solidifies, large crystals grow from the melt which can be cut into wafers for manufacturing semiconductor devices.
UHP450mm graphite electrodes play a crucial role in both zirconia smelting and large crystal metallurgy processes. Their application enables efficient melting of raw materials to produce liquid zirconia for use in various high-performance applications such as refractories, ceramics, and semiconductors where large crystals are utilized.
Physical & chemical properties of UHP graphite electrode and nipples
HS CODE:8545110000
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Note:We can provide lengths of 1600/1800/2000/2200mm for UHP450 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
|
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 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 UHP450mm for zirconia and large crystal smelting
Application of UHP450mm for zirconia and large crystal smelting
UHP450mm graphite electrodes are used in zirconium oxide smelting and large crystal metallurgy.
Zirconium Oxide Smelting:
Zirconium oxide, or zirconia (ZrO2), is a high-performance ceramic material widely used in refractories, ceramics, and dental restorations. The UHP450mm graphite electrode generates an electric arc with zirconium compounds (raw materials), melting them to produce liquid zirconium oxide.
Large Crystal Metallurgy:
The UHP450mm graphite electrode is also used in the process of producing large single crystals such as silicon wafers for the semiconductor industry. The generated electric arc provides high temperatures for melting high-purity silicon or other semiconductor materials. As the molten substance cools and solidifies, large crystals grow from the melt, which can be sliced into wafers for manufacturing semiconductor devices.



Packing and shipping
UHP450mm 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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