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High temperature resistant alumina welding ceramic nozzle 796F
Alumina nozzle
Argon arc welding alumina welding ceramic nozzle series has the characteristics of high temperature resistance, strong reliability, price concessions and so on. Type: a variety of options, total welding torque length: 505 (mm), wall thickness: 1.5 (mm), welding / cutting thickness : 50 (mm), the number of replaceable welding tips: multiple, working pressure: 10 (KN), applicable range: 1600 degrees high temperature. Main components: 95% Al2O3 (alumina) Material characteristic density 3.6g/cm3 Water absorption rate 0% Sintering temperature 1700℃ Physical properties: Hardness 1500HV Mohs hardness: 8.8Mohs scale Refractoriness: 2000℃ Flexural strength: 3000Kg/cm2 Compressive strength: 25000Kg/cm2 Fracture toughness: 3--4Map.m Thermal properties: Higher operating temperature 1700℃ Thermal expansion coefficient: 8*10-6/℃ (0--1000℃) Thermal shock resistance: 220T (℃) Thermal conductivity: 25--14w/mR (25--300℃) Electrical characteristics: Volume resistivity>1014-->1012>Ω.cm (20--300℃) Insulation strength: 18KV/mm Dielectric constant: 9.5 100MHz(E).
Size | Part Number | Length (mm) | Orifice (in) | Orifice (mm) | Torchdesign |
NO 5 | 141-00 | 54 | 1/4 | 8.0 | TEC |
NO 6 | 142-00 | 54 | 5/16 | 9.5 | TEC |
NO 7 | 143-00 | 54 | 3/8 | 11.0 | TEC |
NO 8 | 144-00 | 54 | 7/16 | 12.5 | TEC |
NO 10 | 145-00 | 54 | 1/2 | 16.0 | TEC |
Material Project | Alumina AL203 | Silicon carbide sic | Silicon nitride sin | Silicon nitride sin | ||||
Color | Ivory | black | black | Milky white, gray black | ||||
Content(%) | 99.5 | …… | …… | …… | ||||
Main features |
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Density | Kg/m³ | 3.9*10 | 3.16*10 | 3.3*10 | 6.0*10 | |||
Mechanical behavior
| Vickers hardness | Gpa | 16.0 | 23.0 | 14.0 | 13.2 | 12.7 | |
Flexural strength | Mpa | 360 | 450 | 1020 | 1000 | 1470 | ||
Compressive strength | Mpa | 2350 | …… | …… | …… | …… | ||
Fracture toughness | Mpa | 4 | 2-3 | 7 | 4-5 | 4-5 | ||
Thermal performance
| Linear expansion coefficient | 40-400℃ | ×10-5/℃ | 7.2 | 3.7 | 2.8 | 10.5 | 10.8 |
40-800℃ | 8.0 | 4.4 | 3.3 | 11.0 | 11.3 | |||
Thermal conductivity | W/(m·k) | 32 | 200 | 27 | 3 | 3 | ||
Specific heat | J/(kg·k) | 0.78*10 | 0.67*10 | 0.65*10 | 0.46*10 | 0.46*10 | ||
Thermal shock resistance (in water) | ℃ | 250 | …… | >800 | 300 | 350 | ||
Electrical performance | Dielectric strength | V/m | 15*105 | …… | 13*105 | 11*105 | …… | |
Volume resistance(20℃) | Ω·cm | >1014 | 108 | 1014 | 1013 | …… | ||
Dielectric constant | …… | 9.6 | …… | 9.9 | 33 | …… | ||
Loss factor | ×10-4 | 10 | …… | …… | 520 | …… |
Packed in carton
In addition to common sizes and specifications, our company accepts drawings and samples for customization. If necessary, please contact our company directly.
1. Are you a businessman or a manufacturer?
We are a company, we have our own factory
2. How long is your delivery time?
Negotiable
3. Can the product be customized?
Can be customized
4. What is the product packaging?
Carton or according to customer requirements
5. What other products does the company produce?
Welded ceramic nozzles, welded ceramic liners, electronic ceramics, textile ceramics, etc.