Introduction of Silicon Nitride Tubes
Silicon Nitride Tubes are tubular parts made of silicon nitride (Si₃N₄) material with excellent high temperature stability, mechanical strength and corrosion resistance. Silicon nitride is a high-performance ceramic material widely used in industrial equipment in extreme environments.
Silicon Nitride Tubes
Features of Silicon Nitride Tubes
High temperature resistance: can work stably in high temperature environment above 1200°C, not easy to be deformed or damaged.
High mechanical strength: with extremely high hardness and compressive strength, it can withstand large mechanical stress.
Corrosion resistance: good resistance to acid, alkali and other corrosive media.
Low coefficient of thermal expansion: good dimensional stability at high temperatures, not easy to crack due to temperature changes.
Excellent abrasion resistance: excellent performance under high speed fluid or particle scouring conditions, long service life.
Strong thermal shock resistance: able to withstand rapid temperature changes without rupture.
Electrical insulation: Silicon nitride is a good electrical insulator for electrical and electronic applications.
Specifications of Silicon Nitride Tubes
|
Property |
Specification |
|
Material Composition |
Si₃N₄ (Silicon Nitride) |
|
Density |
~3.20 g/cm³ |
|
Hardness (Vickers) |
~1500-1800 HV |
|
Fracture Toughness |
~6-7 MPa·m½ |
|
Young’s Modulus (Elastic Modulus) |
~280-320 GPa |
|
Compressive Strength |
~3000-4000 MPa |
|
Flexural Strength (Bending Strength) |
~800-1000 MPa |
|
Coefficient of Thermal Expansion |
~3.2 × 10⁻⁶ /°C (at room temperature to 1000°C) |
|
Thermal Conductivity |
~25-35 W/m·K |
|
Max Service Temperature in Air |
Up to 1200°C (continuous), up to 1400°C (intermittent) |
|
Chemical Resistance |
Excellent resistance to acids, alkalis, and molten metals |
|
Electrical Resistivity |
High (>10¹² Ω·cm at room temperature) |
|
Wear Resistance |
Excellent, suitable for high-wear applications |
|
Thermal Shock Resistance |
Outstanding, capable of withstanding rapid temperature changes |
|
Corrosion Resistance |
Superior, especially in aggressive environments |
|
Self-Lubricating Properties |
Reduces friction in moving parts |
|
Biocompatibility |
Suitable for medical applications |
|
Environmental Impact |
Environmentally friendly, no harmful substances |
|
Tube Dimensions |
Inner diameter, outer diameter, and length can be customized based on application requirements |
Applications of Silicon Nitride Tubes
High-temperature furnace tubes: Used for high-temperature heating equipment in metallurgy, ceramics and glass manufacturing.
Semiconductor manufacturing: as high-temperature and corrosion-resistant components in wafer processing and etching equipment.
Chemical equipment: used in pipelines and reactor linings for conveying corrosive liquids or gases.
Energy: Used as heat exchange tubes in gas turbines, nuclear reactors and other high temperature energy equipment.
Aerospace: for high-temperature fluid transfer and structural support components.
Mechanical engineering: as high-precision mechanical parts such as rails and slides.
Environmental equipment: for high-temperature flue gas treatment and filtration systems.
Packing and Storage
The product is in powder form and should be stored in a cool, ventilated place. Avoid inhalation when using it and keep away from open flames, heat sources, etc.
Packing and Storage
Company Profile
Luoyang Tongrun Nano Technology Co. Ltd. (TRUNNANO) is a trusted global chemical material supplier & manufacturer with over 12-year-experience in providing super high-quality chemicals and nanomaterials, including boride powder, nitride powder, graphite powder, sulfide powder, 3D printing powder, etc.
The company has a professional technical department and Quality Supervision Department, a well-equipped laboratory, and equipped with advanced testing equipment and after-sales customer service center.
If you are looking for high-quality Silicon Nitride Tubes please feel free to contact us or click on the needed products to send an inquiry.
Company Profile
Payment Term
T/T, Western Union, Paypal, Credit Card etc.
Shipment Term
By air, by sea, by express, as customers request.
FAQs of Silicon Nitride Tubes
Question 1: What is the main material of silicon nitride tube? What are its properties?
Answer: The main material of silicon nitride tube is silicon nitride (Si₃N₄). It has high temperature resistance (above 1200°C), high mechanical strength, corrosion resistance, low coefficient of thermal expansion, excellent abrasion and thermal shock resistance, and is a good electrical insulator.
Question 2: How do silicon nitride tubes perform in high-temperature environments?
Answer: Silicon nitride tubes perform well in high temperature environments and can work stably in temperatures above 1200°C, keeping mechanical properties and shape unchanged, making them suitable for high temperature industrial applications.
Question 3: In which industrial fields are silicon nitride tubes important?
Answer: Silicon nitride tubes are widely used in high-temperature furnace tubes, semiconductor manufacturing, chemical equipment, energy field, aerospace and other fields. They are mainly used for heating equipment in metallurgy, ceramics and glass manufacturing; as high-temperature and corrosion-resistant processing parts; piping for transporting corrosive liquids or gases; heat exchange tubes for gas turbines and nuclear reactors; and high-temperature fluid transmission and structural support parts.
Question 4: What are the advantages of silicon nitride tubing over metal tubing?
Answer: Silicon nitride tubes have the advantages of high temperature resistance, corrosion resistance, low coefficient of thermal expansion, abrasion resistance, and electrical insulation, which include: they can work above 1200°C, which is better than most metals; they have good resistance to corrosive mediums such as acids and alkalis; they have good dimensional stability at high temperatures; they have a long service life under high-speed fluid or particle scouring; and they are suitable for electrical and electronic applications.
Question 5: What is the role of silicon nitride tubes in semiconductor manufacturing?
Answer: In semiconductor manufacturing, silicon nitride tubes are mainly used for equipment components in high-temperature and corrosive environments, such as tubing for wafer processing and etching equipment, to ensure high precision and stability.
