Wuhan Global Metal Engineering Co., Ltd
Wuhan Global Metal Engineering Co., Ltd The pioneer manufacturer of heaters & sensors
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Silicon Nitride Thermocouple Components Protection Tube / Antioxidation Si3N4 silicon carbide tube
Description:
1. Silicon nitride protective tube is widely usedfor non ferrous metal casting.Especially for measuring the temperature of liquid aluminum.
2. GME's silicon carbide products have the excellent properties of high bending strength following rising temperature, thermal shock resistance, oxidization resistance, corrosion resistance and so on.
3. The series of products are widely used in the sealing equipments and slipping equipments, for the fields of metallurgy, chemical industry, pharmaceuticals industyr, food industy, corrosion resisting pump, automobile, mechanism, etc.
Specification:
1.Long service life
2.Good abrasive resistance
3.High thermal shock resistance
4.Top refractory
5.Reduced maintenance requirements and ease of maintenance
6.Anti-corrosion in the high-temperature
7.Perfect electrical insulation resistance
8.Good reputations among the customers
9.Professional technology support
10.Customization available
| Composition | Si3N4 99% |
| Volume Density | 3.15g/cm3 |
| Hardness | 88HRA |
| Modulus of Elasticity | 380Gpa |
| Bending Strength | 480Mpa |
| High Service Temperature | 1750°C |
| Thermal Expansion Coefficient | 2.8 x 10-6/°C |
| Thermal Conductivity | 40~120 W/m.k |
| Open Porosity | 0 |
Standard size
| OD | ID | Length |
| 16mm | 8mm | Max.800mm |
| 22mm | 12mm | Max.800mm |
| 28mm | 16mm | Max.1000mm |
Application
1.In aluminum casting industry, silicon nitride can be processed as riser tube, heat body protection tube and thermocouple protection tube for wheel factory.
2.In metallurgy industry, silicon nitride can be processed as pipelines, valves and pumps for casting container and transporting liquid metal, and crucibles and boats for smelting.
3.In the latest continuous casting industry, silicon nitride can be processed as heat-resisting devices for connecting tundish and crystallizing tube.
4.In aviation industry, silicon nitride can be used as liners of rocket nozzle and missile
tailpipe,and other components of high – temperature structure parts
5.In machinery industry, silicon nitride can be used as turbine blades,automobile engine blades and airfoils,high - temperature bearings, meal cutting tools and extrusion dies etc.