Si3N4 Protection Tube for Thermocouple
Si3N4 Protection Tube for Thermocouple
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Si3N4 Protection Tube for Thermocouple
Si3N4 or Sialon/Syalon material can be widely used as the main material of protection tubes for thermocouple, for long working life and free maintenance.
As the necessary means of measuring temperature, thermocouple protection tubes are applicable in metallurgical industry, such as aluminum, tin, lead, zinc etc. The advantages are:
●Si3N4 material has better thermal shock resistance and high-temperature mechanical strength, light weight, high strength and easy to operate. It will not burst even if exchange is done in the course of processing, making it easy for production and maintenance.
●Si3N4 material has the low conductive advantage. Its low specific heat minimizes loss of heat. This will be conducive to achieving the accuracy of temperature measurement for the thermocouple protection tube.
●Molten aluminum’s low wettability prevents stick of slagging in the tube, thus easy to maintain and operate.
●Si3N4 has excellent corrosion resistance and wear resistance, and ensure longer working life. If proper maintenance, the actual using life can be up to 2-3 years.
The prime features of Si3N4 Silicon Nitride Ceramic
1. Extraordinary thermal shock, it can withstand up to1000ºC
2. It’s easier to do precise machining, the tolerance can be 0.001mm
3. Chemical corrosion resistance under high temperature, except for HF and H3PO4
4. Extreme wear and abrasion resistance., much better than stainless steel
5. Great mechanical properties, hardness, compressive and flexural strength are much higher stainless steel
Description of high purity Si3N4 Silicon Nitride Ceramic
Silicon nitride ceramic offers exceptional thermal shock, extreme thermal stress resistance, excellent wear resistance, great chemical resistance, and easier machinable features. It’s always made use of producing refractory ceramic parts, anti-corrosion ceramic parts, ceramic seal parts, ceramic cutter/blade for machining.
Our company supplies a great of silicon nitride ceramic components, including Si3N4 ceramic tube, Si3N4 ceramic plate, Si3N4 ceramic rod, and various complicated silicon carbide ceramic structural parts.
Application of silicon nitride ceramics:
Silicon nitride ceramic parts work as welding pins, Ceramic Shafts, Ceramic bearings, Ceramic substrates, Ceramic piston plungers, Ceramic sliders, Ceramic seal ring, Air turbine blades which are widely used in machinery, electronics, semiconductor, petroleum, chemical industry, smelting, and other industries
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