Silicon Carbide & Alloy Powder

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Why choose us?

Our factory

We have three large warehouses located in Tianjin, Anyang, and Shenmu City，we can produce approximately 11,000 tons per month and over 130,000 tons per year.

Our certificate

ISO 9001 Quality Management System Certificate, SGS Inspection Reports

Production equipment

Two 36,000KVA blast furnaces, We have a total of 18 intermediate frequency furnaces, Additionally, we have three automatic crushing lines with corresponding vibrating screens.

Production market

Our customer base primarily includes countries such as Australia, South Korea, Uzbekistan, Romania, Brazil, Turkey, Iran,Chile,Peru, Belarus, etc.

Types of Silicon Carbide & Alloy Powder

Silicon carbide comes in different grades, often categorized based on their purity, grain size, and the specific application they’re used for. Here are a few broad categories:

Technical Grade SiC: This grade contains a high amount of impurities and is used in abrasive applications.
Pure SiC: This is of higher quality than technical grade and is used in applications that require a higher degree of purity.
Ultra-High-Purity SiC: This grade is of the highest quality and is used in demanding applications, such as semiconductor manufacturing.

Different forms of silicon carbide include:

Black Silicon Carbide (C): Black silicon carbide is very hard, sharp, and brittle. Its grain edges are sharp and it is of a certain capacity of heat transmission.
Green Silicon Carbide (GC): Green silicon carbide is produced basically in the same manner as black silicon carbide in a resistance type electric furnace with petroleum coke, quartz sand, and other materials. It is an extremely hard (Knoop 2600 or Mohs 9.4) manufactured material with high thermal conductivity (100 W/m-K).

Each of these grades and types can come in various grit sizes, from coarse particles to ultra-fine powders, and they can be bonded together in different ways to form composite materials or standalone objects.

Benefits of Silicon Carbide & Alloy Powder

High hardness

SiC is one of the hardest materials available, making it ideal for abrasives, cutting tools, and wear-resistant applications.

Thermal stability

It has excellent thermal conductivity and can withstand high temperatures, making it suitable for use in high-temperature environments, such as in furnace linings and automotive applications.

Chemical resistance

Silicon carbide is highly resistant to chemical corrosion, making it valuable in harsh environments, including chemical processing and semiconductor manufacturing.

Electrical properties

SiC is a semiconductor, enabling its use in high-power and high-frequency electronic devices, like MOSFETs and diodes.

Lightweight

Its low density compared to metals allows for weight reduction in applications like aerospace and automotive components.

Efficient heat dissipation

SiC's thermal conductivity helps manage heat in electronic devices, improving efficiency and reliability.

Silicon Carbide Applications

Electronics and semiconductors
SiC is used in semiconductor electronics that operate at high temperatures or high voltages, or both. With its excellent thermal conductivity and ability to maintain electrical stability under high temperatures, SiC semiconductors are ideal for high-power applications such as power supplies, hybrid vehicles, and high-frequency radio equipment.

Abrasive and cutting tools
Due to its extraordinary hardness, SiC serves as an abrasive in grinding and cutting tools. It is used in the manufacture of grinding wheels, sandpaper, and other abrasive tools, capable of machining metals and materials that would wear down other types of abrasives.

Industrial furnaces and heating elements
The material's high thermal conductivity and resistance to thermal shock make it suitable for use in industrial furnaces and as heating elements. SiC can withstand extreme temperatures and is used in furnaces for sintering, glass production, steelmaking, and other high-temperature processes.

Automotive applications
SiC is utilized in various automotive applications, including as a material for brakes, clutches, and ceramic parts within the engine. Its durability and resistance to heat make it ideal for high performance and efficiency in automotive components.

Aerospace and defense
In aerospace and defense, SiC is used in the manufacturing of armor plating and ballistic protective gear due to its high hardness and low density. It provides effective protection against high-velocity projectiles.

Energy
In the energy sector, SiC is used in solar inverters and as a semiconductor in LED lights. Its ability to efficiently convert energy with minimal loss makes it valuable in renewable energy technologies.

Ceramic matrix composites
SiC is often used as a reinforcement material in ceramic matrix composites (CMCs). These composites are used in high-temperature applications where conventional metals and alloys would not suffice, such as in jet engines and turbine blades.

Nuclear applications
Due to its high neutron absorption capability, SiC is considered for use in nuclear reactor fuel pellets and as a material for nuclear waste containment. Its radiation resistance and thermal conductivity are advantageous in managing the heat and radiation levels within nuclear reactors.

Product Specifications

Shape	Lump Particles Powder
Chemical Composition	SiC Free Carbon Fe2O3 Al2O3
Size	0-1mm,0-10mm, 1-10mm, 10-50mm .etc
Package	Ton bag or customized according to customer requirements

Chemical Composition

Model	Chemical Composition %
Model	SiC	Free Carbon	Fe2O3
SiC 98	98 min	0.2 max	0.60 max
SiC 97	97.0 min	0.3 max	1.20 max
SiC 90	90.0 min	1.0 max	1.20 max
SiC 88	88.0 min	4.0 max	1.5 max
Model-SiC Briquette	SiC	Al2O3	Fe2O3
SiC Briquette 70	70.0 min	5.0 max	3.0 max
SiC Briquette 65	65.0 min	5.0 max	3.0 max

Packing and Delivery

productcate-553-177

FAQ

Q: What are the different types of silicon carbide?

A: Silicon carbide (SiC) comes in several forms, including sintered, reaction-bonded, and chemical vapor deposited (CVD) varieties, as well as black and green types, each with unique properties and applications.

Q: What is the difference between green and black silicon carbide?

A: Silicon carbide (SiC) is known as carborundum. It is available in a greenish color and a black color. The color difference is due to the purity of the silicon carbide, green SiC being higher purity. Green SiC is usually used in food contact applications.

Q: Is silicon carbide N type or P type?

A: Silicon carbide is a semiconductor, which can be doped n-type by nitrogen or phosphorus and p-type by beryllium, boron, aluminium, or gallium. Metallic conductivity has been achieved by heavy doping with boron, aluminium or nitrogen.

Q: What is the difference between alpha and beta silicon carbide?

A: Alpha silicon carbide is made at temperatures exceeding 2,400°C, whereas beta silicon carbide is normally made in the 1,500 to 1,600°C range. At about 2100°C, beta will convert into alpha. The different crystalline structure of alpha silicon carbide does give it some different properties than beta, however.

Q: What is the hardest material silicon carbide?

A: Silicon carbide (SiC) is the third hardest material after diamond and boron nitride, which gives SiC its excellent properties such as high-temperature stability, imperviousness to chemical attack, and biological compatibility.

Q: What are the colors of silicon carbide?

A: Silicon carbide is a crystalline material, the colour of which is determined by the level of impurities. Pure silicon carbide is colourless and transparent. The green to black colour of the industrial product results from impurities, mostly iron.

As one of the leading silicon carbide & alloy powder manufacturers and suppliers in China, we warmly welcome you to buy high-grade silicon carbide & alloy powder in stock here from our factory. All metal materials are with high quality and low price.

Black Silicon Carbide, Green Silicon Carbide, Silicon Carbide Powder

Silicon Carbide & Alloy Powder

Our Services

Deoxidizer Black Silicon Carbide

1-10mm Black SiC 90%

Silicon Carbide (SiC) 88% Size 1-10mm

Black Silicon Carbide F24

Silicon Carbide 80 Grit

46 70 Silicon Carbide Grit

Metallurgical Grade Black Silicon Carbide

Silicon Carbide 220 Grit

Carborundum Grains

Silicon Carbide Grains

SiC Material

Sic Silicon Carbide