Metallurgical Products
China Professional Manufacturer&Supplier
ZHEN AN INTERNATIONAL CO., LIMITED
Complete Production Facilities
We Have 4 sets of production lines for ferroalloy of 20,000 TPY; 4 sets of production lines for Alloy cored wire of 30,000 TPY; 6 sets of vacuum furnaces; and 10+ sets of furnaces for other purposes.
Customized
Our personalized services allow us to find the solution most suitable for you. Specific parameters, Dimensions, and Packaging of Products can be customized.
Quality Test
We have our own laboratory. After the goods are produced, random samples are taken and tested for element content to ensure there are no quality problems. We follow strict testing & quality check parameters, ensuring 100% customer satisfaction.
Export Business Veteran
We have 30+ years of supply experience in the Chinese domestic market and international markets. We have rich experience in exporting to foreign countries.
Different Types of Metallurgical Products
Silicon Metal
Silicon Metal is processed by excellent industrial silicon and includes full varieties. It is silver gray or dark gray with metallic luster, which is of high melting point, good heat resistance, high resistivity, and superior oxidation resistance. We can provide Pure Silicon Metal 441 553 1101 2202 3303.


Magnesium Ingot
Magnesium ingot is a solid piece of pure magnesium metal. It's typically produced by smelting magnesium ore, usually magnesium chloride or magnesium oxide, through a process called electrolysis.
Silicon Metal Powder
Silicon metal powder refers to silicon metal powder made by processing, often used in refractories, powder metallurgy industry of raw materials. Metallic luster, high melting point, good heat resistance, high resistivity. Metal silicon powder is used widely in semiconductor technology, computer microchips, transistors, and solar cells. Silicon powder is also used to manufacture other silicon compounds. Our silicon powder is produced using minimally sized grains, mesh size ranging from 100 mesh to 325 mesh, and customized particle size range.


Silicon Carbide
There are two commonly used basic varieties of silicon carbide: black silicon carbide and green silicon carbide, both of which belong to α-SiC.
① Black silicon carbide contains about 98.5% SiC, and its toughness is higher than green silicon carbide. It is mostly used to process materials with low tensile strength, such as glass, ceramics, stone, refractory materials, cast iron, and non-ferrous metals.
② Green silicon carbide contains more than 99% SiC and has good self-sharpening properties. It is mostly used for processing cemented carbide, titanium alloy, and optical glass. It is also used for honing cylinder liners and fine-grinding of high-speed steel tools.
Cored Wire
Cored wire is a hollow metal tube filled with a blend of metal, mineral, and chemical powders. The majority of the powder core is iron, with varying amounts of other materials added to the core to produce certain effects, such as reduced oxidation or higher impact strengths. Other elements also are added to achieve various weld qualities.


Vanadium Pentoxide
Vanadium pentoxide (V2O5) is a chemical compound composed of two vanadium atoms and five oxygen atoms. It is a bright red or orange crystalline solid at room temperature. The main products of vanadium pentoxide are Vanadium Pentoxide Powder and Vanadium Pentoxide Flake.
- Semiconductor Industry
- Metal Silicon is the primary material used in the production of semiconductors. It is an essential component in the manufacturing of computer chips, integrated circuits, transistors, and other electronic devices. Si Metal's ability to conduct and control electrical currents makes it ideal for this industry.
- Aluminum Industry
- In the aluminum industry, Metal Si is used as an alloying agent to improve the strength, workability, and heat resistance of aluminum alloys. Adding Metallic Silicon to aluminum can enhance its mechanical properties, making it suitable for applications in the automotive, aerospace, construction, and other industries.
- Chemical Industry
- Pure Silicon Metal is employed in the chemical industry to produce various silicon compounds. For instance, Silica Metal is used to manufacture silicones, which are widely used in sealants, adhesives, lubricants, and medical applications. Pure Silicon is also a raw material for producing silanes, siloxanes, and other silicon-based chemicals.
- Refractories
- High Purity Silicon is used in the production of refractory materials, which have high heat resistance. Refractories are utilized in furnaces, kilns, and other high-temperature industrial processes. Silicon-based refractories can withstand extreme heat and provide insulation, ensuring efficient and safe operations.
Solar Energy
Silicon metal lump is crucial in the production of photovoltaic solar cells. Solar panels and solar power systems utilize silicon wafers to capture sunlight and convert it into electricity. The high purity and excellent electrical properties of silicon are vital for efficient solar energy conversion.
Metallurgy
Silicon metal is used as a deoxidizing and alloying agent in steelmaking and other metallurgical processes. It helps remove impurities, such as oxygen and sulfur, from molten metals, improving the quality and strength of steel. Silicon is also added to various types of cast iron, providing enhanced wear resistance and reducing brittleness.
Chemical Analysis
In laboratories, silicon metal and its compounds are used as standard reference materials and calibrating agents in chemical analysis. Silicon is often used as a matrix in X-ray spectroscopy and other analytical techniques due to its consistent properties and stability.
Silicon Metal Powder Uses




Silicon Metal Powder Properties
Silicon metal powder is silvery or dark gray powder with a metallic luster. A high melting point, excellent heat resistance, high electrical resistivity, and oxidation resistance characterize this versatile material. It is an important ingredient in the production of a wide range of electronic components and an additive in the melting of many different types of metals and metal products.
| Silicon powder | Size (mesh) |
Chemical Composition % | |||
| Si | Fe | Al | Ca | ||
| ≥ | ≤ | ||||
| Chemical silicon powder |
Si-(20-100 mesh) Si-(30-120 mesh) Si-(40-160 mesh) Si-(100-200 mesh) Si-(45-325 mesh) Si-(50-500 mesh) |
99.6 | 0.2 | 0.15 | 0.05 |
| 99.2 | 0.4 | 0.2 | 0.1 | ||
| 99.0 | 0.4 | 0.4 | 0.2 | ||
| 98.5 | 0.5 | 0.5 | 0.3 | ||
| 98.0 | 0.6 | 0.5 | 0.3 | ||
| Silicon powder for refractory | -150 mesh -200 mesh -325 mesh -400 mesh -600mesh |
99.6 | 0.2 | 0.15 | 0.05 |
| 99.2 | 0.4 | 0.2 | 0.1 | ||
| 99.0 | 0.4 | 0.4 | 0.2 | ||
| 98.5 | 0.5 | 0.3 | 0.2 | ||
| 98.0 | 0.6 | 0.5 | 0.3 | ||
| Low-grade | -200 mesh -325 mesh |
95-97 | Impurity content≤3.0% | ||
What is the difference between silicon powder and metal silicon powder?
Metal silicon powder and silicon powder are not the same product, there are essential differences.
Metal silicon powder: It is powdered silicon powder made by grinding metal silicon. Metallic silicon, also known as crystalline silicon or industrial silicon, is mainly used as an additive for non-ferrous alloys, an alloying agent for silicon steel with strict requirements, and a deoxidizer for smelting special steel and non-ferrous alloys. After a series of processes, metallic silicon can be pulled into single-crystal silicon for use in the electronics industry.
Metal silicon powder Uses
Metallic silicon powder is widely used in refractory materials and powder metallurgy industries to improve the high-temperature resistance, wear resistance, and oxidation resistance of products. Its products are widely used in steelmaking furnaces, kilns, and kiln furniture. In the silicone chemical industry, metallic silicon powder is the basic raw material for synthesizing silicone polymers, such as silicon monomer, silicone oil, silicone rubber preservatives, etc., to improve the product's high-temperature resistance, electrical insulation, corrosion resistance, corrosion resistance, water resistance, etc. performance. Metallic silicon powder is drawn into single-crystal silicon, and the processed silicon wafers are widely used in high-tech fields and are indispensable raw materials for integrated circuits and electronic components. In the metallurgical casting industry, metallic silicon powder is used as a non-ferrous alloy additive and silicon steel alloy agent to improve the hardenability of steel.
Advantages of Cored Wires

reducing smelting costs, shortening smelting time
It is conducive to regulating the content of easily oxidized elements and trace elements, greatly increasing the alloy yield, reducing smelting costs, shortening smelting time, and accurately controlling ingredients.

improve the quality of molten steel
It can purify molten steel and partially change the nature and shape of inclusions, improve the quality of molten steel, and improve the casting state.

Save space space
Core-covered wires are divided into two types: inner-pull type and external-extension type. The mechanical equipment required for wire feeding is simple and reliable and takes up a small area. In particular, the internal cored wire is more suitable for use in narrow places.
Uses of Vanadium(V) Oxide or Vanadium Pentoxide
Ferrovanadium Production
In terms of quantity, the dominant use for vanadium(V) oxide is in the production of ferrovanadium. The oxide is heated with scrap iron and ferrosilicon, with lime added to form a calcium silicate slag. Aluminium may also be used, producing the iron-vanadium alloy along with alumina as a byproduct.
Sulfuric Acid Production
Another important use of vanadium(V) oxide is in the manufacture of sulfuric acid, an important industrial chemical with an annual worldwide production of 165 million tonnes in 2001, with an approximate value of US$8 billion. Vanadium(V) oxide serves the crucial purpose of catalyzing the mildly exothermic oxidation of sulfur dioxide to sulfur trioxide by air in the contact process.
Other Applications
Due to its high coefficient of thermal resistance, vanadium(V) oxide finds use as a detector material in bolometers and microbolometer arrays for thermal imaging. It also finds application as an ethanol sensor in ppm levels (up to 0.1 ppm).
Vanadium redox batteries are a type of flow battery used for energy storage, including large power facilities such as wind farms. Vanadium oxide is also used as a cathode in lithium-ion batteries.
Our Factory

150,000+
Annual Production

30000+
Square Meters Built

30+
Years
Our Team
Customer Centered
- We have a dedicated and efficient export department that specializes in documentation, packaging, and shipping services to provide reliable services to customers around the world.
Reputation For Development
1. We offer the most competitive prices.
2. We provide relevant professional product consulting.
3. We are willing to help customers find any potential products and merchandise.
4. You can visit our factory by yourself.


200+ Enterprise Employees
- Our engineers can provide customized solutions for different customers' needs.
- Our sales team can provide professional advice and support to our customers.
- Our quality inspectors ensure that each batch of products meets international standards.
100+ Cooperating Partner
- We not only meet the needs of China steel companies
- But also export our products to 150 countries and regions including Japan, South Korea, India, Europe, and the United States.
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