OD 28, 22, 16 mm
Duct Type
Thermocouple
Contact
Thermocouple Protection Tube
Ceramics
Silicon Nitride, Ceramics
Temperature
CE
Customized
200-1200mm
1700c
80-90hra
Protection Thermometer
no
Wooden Case
16, 22, 28mm
China
9025900090
Product Description
28X16 MM Si3N4 Ceramic Thermocouple Protection Tube
1. Introduction
Silicon nitride thermocouple protection tube usually made by CIP (cold isostatic pressing) / RB(reaction bonded) , both are have excellent abrasion resistance and corrosion resistance , and can be used under 1400°C .
2. Physical and chemical index
| Types | GPSN | RSSN |
| Density | >3.2g/cm3 | >2.4g/cm3 |
| Si3N4 content | >92% | >92% |
| Flexural strength | >600Mpa | >200Mpa |
| Compressive strength | >1500Mpa | |
| Thermal conductivity(W/mk) | >22 | >14 |
| Porosity | 0 | <15% |
| Thermal expansion coeff.(RT-1000ºC) | 3.2 | 2.8 |
| Max temperature In air | 1400ºC | 1400ºC |
| Hardness(HRA) | >92 | >85 |
3. Features
1, Moulding: Cold isostatic pressing(CIP)
2, Sintering: GPSN/RSSN
3, High strength and good compactness
4, Low thermal expansion coefficient
5, Excellent thermal shock resistance
6, No wetting by molten aluminum and non-ferrous metal
7, Good corrosion resistance
4. Recommended Sizes
| OD(mm) | ID(mm) | Length(mm) |
| 16 | 8 | 300-750 |
| 22 | 12 | 300-900 |
| 28 | 16 | 300-1200 |
| 30 | 18 | 300-1000 |
| 45 | 25 | 300-1000 |
We can also produce other sizes according to your drawing.
5. Application:
Widly used in aluminium alloy casting ,non-ferrousmetal metallurgy ect.
5. Application:
Widly used in aluminium alloy casting ,non-ferrousmetal metallurgy ect.
6. Photos for reference.
7. Other Thermomocouple tubes you may be interested in.
A:Cast Iron thermocouple tube
B. Al2O3 Alumina tube
C. NSIC Thermocouple tube
A:Cast Iron thermocouple tube
B. Al2O3 Alumina tube
C. NSIC Thermocouple tube
