Silicon Carbide Ring

silicon carbide ring

Silicon Carbide Ring

  • Custom and standard options available.
  • Fast lead times guaranteed.
  • High performance at a competitive price.

Silicon Carbide Ring is a high-performance ceramic seal material with a low coefficient of thermal expansion, high thermal conductivity, and excellent thermal shock resistance. It is mainly used in mechanical seals. As a leading supplier and manufacturer of premium silicon carbide products, we can supply high-quality silicon carbide rings with various specifications and competitive prices, offering customized solutions to meet specific requirements.

 
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Silicon Carbide Ring Data Sheet

Purity:≥99%
Color:Black or Dark grey
Chemical Formula:SiC
Material Grades:Reaction Bonded SiC, Pressureless Sintered SiC, Hot-pressed SiC, etc.
Density:>3.2 g/cm³
Maximum Operating Temperature: 1600℃
Thermal Conductivity:120-200 W/m·K
  

Silicon Carbide Ring Description

Silicon Carbide (SiC) primarily exists in two crystal structures: the cubic β-SiC and the hexagonal α-SiC. Compared to other ceramics such as alumina (Al2O3) and boron carbide (B4C), SiC exhibits superior mechanical properties, better oxidation resistance, higher wear resistance, and a lower friction coefficient. These excellent properties make it ideal for seal rings and bearings. Silicon Carbide Ring is available in various sizes and shapes, including flat SiC rings, single-stage and dual-stage SiC rings, as well as customized complex-shaped SiC rings. NexusX can supply high-precision silicon carbide rings for diverse industry and research applications.

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Silicon Carbide Ring Features

  • Excellent high-temperature strength
  • Excellent high-temperature oxidation resistance
  • Outstanding wear resistance
  • Low coefficient of thermal expansion
  • High thermal conductivity
  • Excellent thermal shock resistance
  • High hardness
  • Lightweight
  • Good corrosion resistance

Silicon Carbide Ring Applications

  • Mechanical Seals: Silicon carbide ring is commonly used in pumps, mechanical seals, and bearings, offering excellent wear resistance to reduce friction and enhance sealing performance.
  • Chemical Industry: Silicon carbide ring is used in high-temperature and corrosive environments, such as chemical reactors and distillation columns, to improve reaction efficiency and extend the lifespan of equipment.
  • Semiconductor Manufacturing: Silicon carbide ring is widely applied in semiconductor production equipment, especially during crystal growth and annealing processes, to seal and protect in high-temperature and high-pressure environments.
  • Heat Exchange Equipment: Used in heat exchangers to withstand extreme temperatures and chemical corrosion, optimizing heat transfer efficiency.
  • Oil and Gas Industry: Silicon carbide ring is utilized in oil drilling and natural gas extraction equipment, particularly in high-temperature and high-pressure environments, ensuring the efficient operation of the equipment.
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silicon carbide sputtering target
silicon carbide sputtering target
silicon carbide sputtering target

Silicon Carbide Custom Parts Packaging

Silicon carbide foam filter products are typically packaged in vacuum-sealed bags to prevent moisture or contamination and wrapped with foam to cushion vibrations and impacts during transport, ensuring the quality of products in their original condition.

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Download

  • SAFETY DATA SHEET (SDS) -Silicon Nitride Custom Parts

FAQ

What are the core advantages of silicon carbide rings compared with traditional metal or ceramic rings?
Silicon carbide rings feature ultra-high hardness, excellent wear and corrosion resistance, good thermal shock resistance and low friction coefficient. They are not prone to deformation or rust in harsh environments, and have a much longer service life than rings made of traditional materials.
Silicon carbide rings can adapt to extreme working conditions such as high temperature (withstanding temperatures above 1600℃), strong corrosion (erosion by acids, alkalis and chemical media), high wear (powder conveying, mechanical friction scenarios) and high rotational speed (high-speed motors, precision transmission equipment), and still maintain stable performance in these scenarios.

Mix high-purity silicon carbide powder with sintering aids and binders to make a uniform blank, shape it by cold isostatic pressing or machining, then conduct drying, degreasing and high-temperature sintering, and finally carry out precision grinding to ensure the dimensional accuracy and surface smoothness of the rings.

The key performance indicators determining the quality of silicon carbide rings include hardness and wear rate, dimensional accuracy and flatness, thermal shock resistance, corrosion resistance to specific media, as well as the density and porosity of the material.
During installation and use, avoid violent collision and impact to prevent brittle fracture of the rings; avoid sudden temperature changes to reduce the risk of cracking; at the same time, regularly inspect the surface wear condition and dimensional changes of the rings to ensure the stable operation of the equipment.

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