Core Function
During the TIG (Tungsten Inert Gas) welding process, the ceramic nozzle serves two functions:
1.Guide the shielding gas (such as argon)
Allow the gas to flow uniformly towards the welding pool, forming a protective gas shield.
2. Prevent oxidation contamination
Isolate the oxygen and nitrogen in the air to prevent the welds from oxidizing or forming pores.
Material Properties
| Item | Test Condition | Unit | 95%Al2O3 | Inspection Standard | |
| Density | - | g/cm³ | ≥3.70 | GB/T 25995-2010 | |
| Mechanical Property | Vickers Hardness | HV1 | GPa | 12 | GB/T 16534-2009 |
| Flexure Strength | - | MPa | 350 | GB/T 6569-2006 | |
| Thermal Property | Coefficient of Linear Thermal Expansion | 40℃~400℃ | x10-6/℃ | 7.2 | GB/T 16535-2008 |
| 40℃~800℃ | 7.5 | ||||
| Thermal Conductivity | 25℃ | W/(m·K) | 23 | GB/T 5598-2015 | |
| Electrical Properties | Volume Resistivity | 20℃ | Ω·cm | >1014 | GB/T 5593-2015 |
| 300℃ | >1010 | ||||
| 500℃ | >108 | ||||
| Breakdown Strength | - | kV/mm | >15 | ||
| Dielectric Constant | 1MHz | - | 9.5 | ||
| Dielectric Loss | 1MHz | x10-4/℃ | 4 | ||
Features
Heat-resistant,
Corrosion-resistant and highly insulating
High strength
Typical Applications
- Stainless Steel Welding
- Aluminum Alloy Welding
- Titanium Alloy Welding
- Pipe Welding
- Precision structural component welding
- Industrial Equipment Manufacturing
Innovacera offers a variety of TIG ceramic nozzles in different sizes and nozzle specifications to meet the requirements of various welding applications. View the product catalogue for detailed dimensions.
Frequently Asked Questions
Why choose alumina ceramic nozzles for TIG welding? Superior heat resistance and oxidation prevention.
Alumina ceramic nozzles, especially those made from 95% Al2O3, are essential for TIG welding because they provide exceptional thermal stability and electrical insulation. Innovacera’s nozzles are designed to withstand extreme temperatures while ensuring a uniform flow of shielding gas (like argon) to the weld pool. This core function isolates oxygen and nitrogen from the air, effectively preventing oxidation and pore formation in the weld, resulting in high-strength, precision joins in demanding industrial environments.
Which industrial applications are best suited for Innovacera TIG nozzles? Comprehensive solutions for precision and heavy-duty welding.
Innovacera’s advanced ceramic gas nozzles are engineered for versatility across a wide range of high-spec materials and industries. They are particularly effective for welding stainless steel, aluminum alloys, and titanium alloys, where gas purity and heat control are critical. Typical applications include precision structural component welding, pipe welding, and industrial equipment manufacturing. Their high spatter resistance and mechanical strength make them the ideal choice for long-duration, high-intensity industrial welding processes.
