Silicon Carbide Ceramic Tube

Silicon carbide ceramic tube boasts exceptional hardness and mechanical strength, allowing it to withstand significant pressure and stress without deformation or failure. This makes it suitable for use in demanding industrial processes.Silicon carbide ceramic tube has excellent thermal conductivity and can endure extremely high temperatures without losing its structural integrity. This property makes it valuable in high-temperature applications like furnaces, kilns, and heat treatment equipment.

Send Inquiry

Chat Now

Products Description

The silicon carbide ceramic tube, commonly referred to as silicon carbide tube, SiC tube, or SiC ceramic tube, is a high-performance industrial ceramic component. It is primarily made from silicon carbide (SiC), also known by names such as carborundum, carburo de silicio, carbure de silicium, or siliziumkarbid. This material, with a chemical composition of SiC, exists in various forms including alpha silicon carbide and cubic silicon carbide. The tube is manufactured through advanced processes such as sintering silicon carbide (including pressureless sintering, reaction bonded silicon carbide, and recrystallized silicon carbide) or CVD SiC coating, resulting in a product with exceptional physical and chemical properties. Known for its outstanding properties of silicon carbide-thermal, mechanical, and corrosion-resistant-it is widely used across various demanding industries. For those looking to buy silicon carbide components, numerous silicon carbide suppliers and silicon carbide manufacturers, such as Saint Gobain Ceramics, Morgan Advanced Ceramics, CoorsTek, and Nishimura Advanced Ceramics, offer products like silicon carbide plates, silicon carbide rods, and custom silicon carbide parts.

Silicon Carbide Ceramic Tube

Product name	Silicon carbide ceramic tube
Material	Silicon carbide/Sic
Color	white, black Customized according to the client's requirements
size	Customized according to the client's requirements
Machining accuracy	±0.001mm
Packaging	Carton /Pallet/Wooden case (According to client requirement )
Delivery time	Standard Product-Within 3 days
Items Design	According to the client's drawing or samples
Features	Good quality, low price, Multiple factories, deliver to you based on the one closest to your location
Application	Industrial Ceramics
Certificate	ISO, CE

Ceramics performance parameter

Number	Performance	Unit	Silicon Carbide	Silicon Carbide
			Silicon Carbide	Silicon Carbide
			SiSiC	SiC
1	Density	g/cm3	3.05	3.0-3.1
2	Flexural strength	MPa	250	450～500
3	Fracture toughness	MPa·m1/2	4	4
4	Dielectric constant	εr(20℃,1MHz)	9~10	9~10
5	Hardness	GPa	20	24
	Hardness	HRC	85	87
6	Volume resistivity	Ω·cm(20℃)	10-2~1012	10-2~103
7	Elastic modulus	GPa	330	440
8	Coefficient of thermal expansion	×10-6/k	4.5	4.1
9	Compressive strength	MPa	550	2500
10	Abrasions	g/cm2	0.01	0.01
11	Thermal conductivity	W/m×k(20℃)	45	84
12	Poisson's ratio	/	0.16	0.16
13	Insulation strength	kv/mm		100
14	Temperature	℃	1380	1600

Performance Characteristics

Silicon carbide ceramic tube offers excellent high-temperature resistance, maintaining structural stability and strength in environments up to 1600°C, making it a key ultra-high temperature ceramic. It exhibits high thermal conductivity, low thermal expansion, and superior thermal shock resistance. Additionally, it possesses remarkable hardness and wear resistance, along with strong corrosion resistance to acids, alkalis, and other corrosive media. Its oxidation resistance and adjustable electrical conductivity (from insulating to conductive) can also be tailored. Other notable silicon carbide material properties include excellent mechanical seal performance, making it ideal for silicon carbide bearings, bushings, and seals.

Advantages and applications

Silicon carbide ceramic tubes are extensively utilized in high-temperature industrial furnaces (for sintering, annealing, and heat treatment), serving as thermocouple protection tubes, radiant tubes, burner nozzles, and heating element components. In the chemical and metallurgical industries, they are employed in high-temperature reaction vessels, heat exchangers, and pipelines for handling corrosive gases or molten metals, often as linings or refractory bricks. Furthermore, they find critical applications in semiconductor manufacturing (e.g., CVD chambers, wafer processing), aerospace, environmental protection (e.g., waste incineration), and energy sectors (e.g., solar thermal components). Specific products include silicon carbide crucibles, nozzles, graphite-coated SiC parts, silicon carbide composites, and components for mechanical seals and bearings. The silicon carbide manufacturing process supports a wide range of advanced ceramics for technical and industrial use.