Ferrosilicon Nitride
Ferrosilicon nitride has remarkable thermal and mechanical properties and is widely used as a raw material for the production of blast furnace plugging materials. It has high heat resistance and low corrosion rate. Zhen An provides silicon iron nitride in different particle sizes.
The content of some elements can be customized
Stable Quality Uniform Shape
Packaging: 1 Ton Jumbo Bag
100-350mm Customizable
Free Sample
Issuance Product Test Reports
China Supplier
Introduction to Ferrosilicon Nitride
Ferro silicon nitride is a ferroalloy material, a mixture of silicon nitride and iron, usually containing 75% to 80% (w) Si 3 N4, 12% to 17% (w) Fe and no more than 1% (w) free Si and a small amount of other components.
Due to the presence of Si3N4, ferro silicon nitride has excellent properties such as high refractoriness, good erosion resistance, high mechanical strength, good thermal shock resistance, low thermal expansion rate and high oxidation resistance.
Through careful manufacturing and strict quality control, Zhen An’s ferro silicon nitride ensures reliable and efficient performance, making it an ideal choice for various industries that require high thermal and chemical performance materials.
Types of Ferroslicon Nitride
Ferrosilicon Nitride Specifications
| Chemical Composition (%) | |||||
| Element | Si3N4 | Si | N | Fe | Al+Ca |
| Content | 75～80 | 47～51 | 30～33 | 12～16 | <2.5 |
| 70～75 | 49～52 | 28～30 | 12～16 | <2.5 | |
| Particle size distribution | |||||
| Powder (%) | |||||
| Particle size | -45μm | -45μm～-75μm | +75μm～-150μm | +150μm | -75μm |
| Fine powder | >80 | 5～1.5 | <3 | 0 | 95～100 |
| Ordinary powder | 70～80 | 10～20 | 8～15 | <3 | 85～95 |
| Crude powder | 60～70 | 10～16 | 10～16 | <8 | 65～80 |
| Granular | |||||
| Item | Particle size | Percentage | |||
| Fine powder | 3～5mm | >90 | |||
| Ordinary powder | 3～10mm | >90 | |||
| Crude powder | 10～50mm | >90 | |||
Remark：Other chemical composition and size can be supplied upon request.
Supply Ability: 300000 Metric Tons per month
Properties of Ferrosilicon Nitride
Ferrosilicon nitride has a very high hardness, usually harder than traditional steel
Due to its high hardness, ferro silicon nitride has excellent wear resistance and is suitable for high wear occasions.
Ferrosilicon nitride has good corrosion resistance to many chemicals.
Under high temperature conditions, the performance of ferro silicon nitride remains stable and is not easy to deform or damage.
Ferro silicon nitride has good thermal conductivity and is suitable for applications requiring high thermal conductivity.
What Are The Applications Of Ferrosilicon Nitride?
Mechanical manufacturing Industry:
Bearings: Bearings made of silicon nitride iron are used in high-speed, high-load mechanical equipment, such as automobile engines and wind turbines.
Gears: Used in transmission systems, especially under high load and high speed conditions, such as aircraft engines and heavy machinery.
Tools: Used for metal cutting, such as turning cutters, milling cutters, drills, etc., to improve cutting efficiency and workpiece surface quality.
Refractory Materials:
High temperature furnaces: Ferrosilicon nitride has excellent high temperature resistance and is suitable for manufacturing high temperature furnaces and industrial furnaces.
Refractory coating: Applied to refractory coatings such as furnace walls and furnace bottoms to improve refractory performance and service life.
Refractory bricks: Refractory bricks made of ferrosilicon nitride can withstand high temperatures and chemical erosion and are used for furnace linings, etc.
Electronic Industry:
Semiconductor Equipment: Used to manufacture parts of semiconductor process equipment, such as carriers, fixtures, etc., to ensure production accuracy and stability.
Vacuum Equipment: Manufacture sealing parts of vacuum equipment, such as vacuum valves, vacuum pipelines, etc., to maintain high vacuum and stability of the equipment.
Aerospace:
Turbine blades: Turbine blades used for aircraft engines, which can withstand high temperature and high pressure working environments.
Jet engine parts: Used in aircraft engines to manufacture high-temperature parts, such as combustion chambers, nozzles, etc., to improve engine performance and reliability.
Synthesis Methods of FeSiN
This method is also called vertical continuous combustion synthesis, which was originally applied in the field of metal nitrides and was later introduced into ferro silicon nitride refractories.
In this process, fine powder particles of ferrosilicon alloy react with the rising nitrogen gas flow, releasing a large amount of heat to maintain a self-sustaining reaction. The synthesis of ferrosilicon nitride by the flash combustion method is highly efficient, does not contain free silicon, has high product purity, is low in cost, and is suitable for large-scale continuous production.
Also known as combustion synthesis or SHS, this method uses highly exothermic chemical reactions between reactants to synthesize materials by self-heating and self-conduction.
The ferrosilicon nitride produced by this method contains components such as β-Si_3N_4, α-Si_3N_4, Si_2N_2O, and FexSi. Its microstructure consists of a dense silicon nitride block and small grains of silicon nitride embedded in the silicon nitride block, and the surface of the silicon nitride block is covered with a Si 2N 2 O film.
Although this method has the advantages of low production cost and suitability for industrial production, its operation process is strict and complex, the nitridation reaction is difficult to control, the nitridation pressure is high, the equipment requirements are demanding, and it has the challenges of continuous production and low yield.
Iron ore powder, quartz powder and coke powder are used as the main raw materials (particle size is below 0.3 mm), along with room temperature binder.
These are mixed in a certain proportion and carbon thermal reduction nitriding sintering is carried out within an appropriate temperature range. After cooling, the resulting product is crushed and ground to obtain a high-performance Fe-Si 3 N4 refractory raw material suitable for various gun mud refractory materials.
This traditional preparation method involves directly using ferrosilicon powder for nitriding reaction at high temperature. Due to its simplicity, low equipment requirements and low reaction temperature, it is a relatively simple and widely used experimental method.
But its disadvantages are low nitriding rate, long nitriding time and high energy consumption. In addition, achieving high β-Si 3 N4 content requires long-term high-temperature nitriding, resulting in increased energy consumption.
FAQs About FerroSilicon Nitride
Ferro Silicon Nitride and Silicon Nitride are two different materials, each with its own unique properties and application areas.
The color of Ferro Silicon Nitride usually depends on the following factors:
Chemical composition: The chemical composition of Ferro Silicon Nitride directly affects its color. Different amounts of alloying elements (such as iron, nitrogen, silicon, and other elements that may be present) will affect its color.
Crystal structure: The crystal structure of Ferro Silicon Nitride also has a certain effect on its color. The arrangement of the crystal structure affects the material’s absorption and reflection of light, thereby affecting the color it presents.
Preparation process: The preparation process of Ferro Silicon Nitride is also one of the factors that affect its color. Different preparation processes may lead to differences in the material’s microstructure, which in turn affects its color performance
Grain size: The size of the grain size will affect the optical properties of ferrosilicon nitride, and thus its color. Generally speaking, ferrosilicon nitride with different grain sizes may show different colors.
Surface treatment: Surface treatment of ferrosilicon nitride (such as polishing, plating, etc.) may also have a certain effect on its color, giving it a different appearance
Ferrosilicon and ferrosilicon nitride can be said to be two completely different materials. In addition to the fact that they both contain iron, other aspects including composition, properties and applications have significant differences.
Ferrosilicon:
Composition: Ferrosilicon is an alloy mainly composed of silicon and iron. Usually the silicon content is between 70% and 75%, and the iron content is between 25% and 30%. It may also contain a small amount of other elements.
Properties: Ferrosilicon has excellent corrosion resistance, heat resistance and mechanical properties, and is often used as a reducing agent and alloy additive in steel smelting.
Application: Ferrosilicon is mainly used in the steel industry to adjust the carbon content of steel, increase hardness and strength, and improve the smelting performance and heat treatment performance of steel.
Ferrosilicon nitride:
Composition: Ferrosilicon nitride is an alloy material mainly composed of iron and silicon nitride, and usually contains a small amount of other elements to adjust its properties.
Properties: Ferrosilicon nitride has high hardness, wear resistance and high temperature resistance, and is often used in machinery manufacturing, refractory materials and cutting processing.
Application: Ferrosilicon nitride is mainly used to manufacture high-hardness, wear-resistant mechanical parts, high-temperature resistant materials, cutting tools and other fields, and has a wide range of applications.
Why choose Zhen An Metallurgy as your long-term partner?
30 years of production and sales experience:
Zhenan Metallurgy is located in Anyang City, Henan Province, China. It has 30 years of production experience and can produce high-quality fe si according to user requirements.
Customized according to customer needs:
Zhenan Metallurgy has its own metallurgical experts, and the chemical composition, particle size and packaging of ferrosilicon can be customized according to customer requirements.
Worry-free delivery:
The annual output of Zhen’an metallurgical fe Si is 1.5 million tons, and the spot inventory is 200,000 tons. The supply is stable and the delivery is timely.
Free samples:
Zhenan Metallurgical will give you the greatest support, and provide free ferrosilicio samples.
Support third-party testing:
Zhenan Metallurgical has a strict quality control system. ferro silicio has been inspected more than 3 times before leaving the factory. At the same time, we accept third-party inspections such as SGS and BV to provide you with the greatest guarantee.
Manufacturer’s strength display:
Our factory covers an area of 30,000 square meters, with a full set of modern production equipment, two large-scale production bases such as hydrometallurgy, two key laboratories and a metallurgical material testing center with 16 senior researchers.
30000(m2)
Our factory covering an area of 30,000 square meters
1500000
Annual production and sales more than 1,500,000 tons.
Professional team to provide you with better service
Zhenan Metallurgy has a high-quality talent team integrating sales, production and R&D, including 16 senior researchers, 28 professional engineers, 35 international sales personnel, 10 senior operation personnel, and more than 300 production technicians.
Zhen An metallurgical certificate display
Zhen An metallurgical certificate display
Our products have been exported to 78 countries, and many regular customers have visited our company and factory and placed multiple orders. For one cooperation, customers will return orders many times, and some customers will introduce new customers to us.
