High Temperature Insulated Ceramic Wedding Rings High Durability Custom Ceramic Parts
High Temperature Insulated Alumina Welding Ceramic Protective Ring
Welding ceramic ferrules are crucial components used primarily in stud welding processes, particularly in drawn arc stud welding. They are designed to facilitate and enhance the welding process by performing several key functions:
- Shielding: Ceramic ferrules act as a barrier to protect the weld pool from atmospheric contamination, ensuring a cleaner weld.
- Confinement: They confine the molten metal in the weld area, shaping the weld pool and preventing spatter from escaping.
- Heat Retention: The ceramic material helps retain heat around the weld area, ensuring proper fusion of the stud and the base material.
- Gas Coverage: They help distribute shielding gases evenly around the weld zone if used in gas-shielded welding processes.
Key Features of Ceramic Ferrules:
- Material: Typically made from high-temperature resistant ceramics, such as alumina or zirconia.
- Shape: They come in various shapes and sizes, depending on the type of stud and application requirements.
- Durability: They are designed to withstand the high temperatures and mechanical stresses involved in welding.
- Disposable: Generally, ceramic ferrules are single-use items, discarded after each weld to ensure consistency and quality.
Style
- M series
- RF series
- UF series
- PF series
- Customized
Product Paramenters
|
Characteristics
|
Alumina | ||
| Components |
99%Al2O3
|
95%Al2O3
|
|
| Density | g/cm3 | 3.8 | 3.65 |
| Water Absorption | % | 0 | 0 |
| Sintering temperature | ℃ | 1700 | 1680 |
| Hardness | HV | 1700 | 1500 |
| Flexural strength | Kgf/cm2 | 3500 | 3000 |
| Compressive Strength | Kgf/cm2 | 30000 | 25000 |
| Fracture toughness | Map.m3/2 | 4 | 3~4 |
| Maximum service temperature | ℃ | 1700 | 1600 |
| Coefficient of thermal expansion 0-1000℃ |
*10-6/℃
|
8.5 | 8 |
| Heat resistance | T(℃) | 200 | 220 |
| Heat resistance | W/m.k(25℃-300℃) | 31.4~15.9 | 25~14 |
| Volume resistivity | 20℃ Ωm | >1012 | >1012 |
| 100℃ Ωm |
1012 --1013
|
1012 --1013 | |
| 300℃ Ωm | >1012 |
>1010
|
|
| Insulation breakdown intensity | KV/mm | 18 | 18 |
| Dielectric constant | 100MHz(E) | 10 |
9.5
|
|
Characteristics
|
Cordierite
|
|
| Components |
|
2MgO2Al2O35SiO2 |
| Density | g/cm3 |
2.5
|
| Water Absorption | % | 0 |
| Sintering temperature | ℃ |
1350
|
| Hardness | HV |
800
|
| Flexural strength | Kgf/cm2 |
900
|
| Compressive Strength | Kgf/cm2 |
3500
|
| Fracture toughness | Map.m3/2 |
-
|
| Maximum service temperature | ℃ |
1000
|
| Coefficient of thermal expansion 0-1000℃ |
*10-6/℃
|
4
|
| Heat resistance | T(℃) |
250
|
| Heat resistance | W/m.k(25℃-300℃) | 1.3- |
| Volume resistivity | 20℃ Ωm |
>1012
|
| 100℃ Ωm |
107 --108
|
|
| 300℃ Ωm |
3*105
|
|
| Insulation breakdown intensity | KV/mm |
10
|
| Dielectric constant | 100MHz(E) |
6
|
FAQ
Q1: Are you a manufacturer or a trader?
A1: We are a real manufacturer, our factory is specialized in producing refractory materials for more than 20 years. We promise to provide the best price, the best pre-sale and after-sale service.
Q2: How do you control your quality?
A2: For each production process, LJ has a complete QC system for chemical composition and physical properties. And we will test the goods, and the quality certificate will be shipped with the goods. If you have special requirements, we will try our best to accommodate them.
Q3: What is your delivery time?
A3: Depending on the quantity, our delivery time is different. But we promise to ship as soon as possible with guaranteed quality.
Q4: Do you provide free samples?
A4: Of course, we provide free samples.
Q5: Can we visit your company?
A5: Yes, of course, you are welcome to visit LJ company and our products.
Q6: What is the MOQ for trial order?
A6: There is no limit, we can provide the best suggestion and solution according to your situation.
Q7: Why choose us?
A7: We have been making refractory materials for more than 20 years, we have strong technical support and rich experience, we can help customers design different kilns and provide one-stop service.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.





