Have you ever wondered where some of the world’s best silicon electrical steel comes from? Let’s take a look at the top factories in China that are leading the way in this innovative industry. China is home to several powerhouse manufacturers, each with its own unique strengths and contributions to the global market. Here are a few of the key players you should know about. First up, there’s Baosteel, a pioneer in China’s steel production. Since the 1950s, Baosteel has

Non-oriented electrical steel

Product Details: Baosteel’s electrical steel products include non-oriented and grain-oriented electrical steel. These products are characterized by their nominal thickness, density, maximum iron loss, and minimum magnetic induction. For example, the non-oriented electrical steel comes in various grades such as B35A440, B50A230, and B65A470, each with specific properties like nominal thickness, density, and magnetic induction[3][5].

Pros:
– High strength-to-weight ratio, making it lightweight and strong[4] – Easy to fabricate and produce massively, saving time and increasing construction…
– Flexible and can be molded into various shapes without changing its properties[4…
– Relatively cheap compared to other building materials[4] – Durable and can withstand external pressures like earthquakes and storms if well…
– Can be easily combined with other materials through welding, allowing for quick…

Cons:
– Susceptible to corrosion, requiring anti-corrosion treatments[2][4] – High maintenance costs due to the need for painting to prevent corrosion[4] – Extensive fireproofing costs as steel is not fireproof and loses properties at h…
– Risk of buckling, especially in slender columns, which can compromise structural…
– High expansion rate with changing temperatures, potentially detrimental to the s…

China Electrical Steel Manufacturers Suppliers Factory

Product Details: Electrical steel, also known as silicon steel or lamination steel, is a specialty steel alloy used in the cores of electromagnetic devices such as motors, generators, and transformers. It is primarily an iron alloy with silicon as the main additive element, which reduces power loss and enhances magnetic properties. Electrical steel is manufactured in cold-rolled strips, typically less than 2 mm thick, and is cut into laminations to form the cores of these devices. It can be classified into grain-oriented and non-oriented types, each with specific magnetic properties tailored for different applications.

Pros:
– High magnetic permeability, making it ideal for magnetic applications.
– Low hysteresis loss and low eddy current loss, reducing energy losses in high-fr…
– Excellent corrosion and wear resistance, suitable for harsh environments.
– Good formability, allowing it to be molded into complex shapes without cracking…
– Cost-effective compared to other materials like powder metallurgy in certain app…

Cons:
– High cost, typically two to three times more expensive than conventional steel.
– Difficult to process due to its hardness and brittleness, making cutting, weldin…
– Specific sizes and shapes may not always be readily available, potentially delay…

Electrical Steel

Product Details: Electrical steel, also known as silicon steel, is a ferrosilicon soft magnetic alloy steel with very low carbon content, usually containing 0.5% to 4.5% silicon. It is available in widths of 900-1230 mm and thicknesses of 0.27mm, 0.30mm, 0.35mm, and 0.50mm. The coil inner diameter is 508mm or 610mm. It meets various international standards including AISI, ASTM, BS, DIN, GB, JIS, and EN. There are two main types: oriented electrical steel and non-oriented electrical steel. Oriented electrical steel has strong directionality, the lowest iron loss value in the rolling direction, and the highest magnetic permeability. Non-oriented electrical steel has randomly

distributed grains and is mainly used to manufacture motors and generators.

Pros:
– Stable performance
– Excellent processing performance: High precision dimension and excellent mechani…
– Excellent performance of Insulating coating: Uniform color, good insulation, hig…
– High magnetic permeability: It can easily conduct magnetic flux, making it suita…
– Low hysteresis loss and low eddy current loss: This makes it ideal for high-effi…
– Good formability: It can be easily molded into complex geometric shapes without…
– Good corrosion resistance: It can be used in harsh environments without degradat…

Cons:
– High cost: Electrical steel can be two to three times more expensive than conven…
– Difficult to process: It is hard and brittle, making it challenging to cut, weld…
– Limited availability: Specific sizes and shapes required for certain application…

Grain Oriented Silicon Electrical Steel Coils

Product Details: Grain-oriented silicon electrical steel, also known as CRGO (Cold Rolled Grain Oriented), is an iron alloy with silicon as the main additive element. It is processed to have a specific crystal orientation, typically containing 2.9% to 3.5% silicon. The steel is cold-rolled and annealed to achieve the desired grain structure. It is available in various thicknesses (0.23mm-0.35mm) and widths (20mm-1250mm), and is widely used in transformers, generators, and various household motors and micro-motors.

Pros:
– High magnetic flux density, allowing it to carry more current than other types o…
– Low core loss due to reduced eddy currents and narrowed hysteresis loop.
– Excellent processing performance with high precision dimensions, easy shearing,…
– Good welding performance and uniform insulating coating with high adhesion and h…

Cons:
– High cost due to extensive processing and manufacturing requirements.
– Limited availability because of the specialized manufacturing process and fewer…
– Reduced ductility and increased brittleness due to the high silicon content and…
– Higher exciting current required at high flux density due to reduced saturation…

China Silicon Electrical Steel Manufacturers and Suppliers, …

Product Details: Silicon steel, also known as electrical steel, is a ferritic alloy of iron and silicon with magnetic properties. It contains 0.5%-4.5% silicon and less than 0.08% carbon. It is available in grain-oriented (GO) and non-oriented (NGO) forms. Silicon steel is used in motors, transformers, generators, and other electrical equipment due to its high magnetic permeability, low core loss, and high electrical resistivity.

Pros:
– High magnetic properties and low magnetic hysteresis, making it efficient for en…
– High electrical resistivity, which minimizes energy losses caused by eddy curren…
– Low core loss, reducing energy dissipation as heat.
– Good processing performance, allowing for easy cutting, welding, bending, and pu…
– Cost-effective compared to some alternative materials like powder metallurgy.

Cons:
– Susceptible to corrosion when exposed to moisture and oxygen, requiring protecti…
– Higher material costs due to the inclusion of silicon.
– Limited workability due to the hardening and embrittlement caused by the grain s…
– Sensitive to contamination and improper handling, which can affect magnetic prop…

Cibao oriented electrical steel – 赐宝

Product Details: Cibao New Sheet Metal (Jiangsu) Co., Ltd. produces oriented electrical steel and home appliance galvanized sheets. The company, founded in November 2005, is located in the Haimen Economic and Technological Development Zone, Jiangsu Province. Key products include high-magnetic induction and low-loss oriented electrical steel with specifications such as 23Q85, 23Q90, 23Q95, 27Q90, 27Q95, 27Q100, 27Q105, 27Q110, and 27Q120. Non-oriented electrical steel specifications include W470, W600, W800, W1000, and W1300. These products are used in large transformers, nuclear power plants, hydropower stations, and military projects.

Pros:
– High-magnetic induction and low-loss properties
– Wide range of specifications to meet various industry demands
– Competitive in the global market
– Used in critical applications such as large transformers, nuclear power plants,…
– Continuous improvement in production process and quality

Cons:
– Complex manufacturing process with strict composition control
– Long manufacturing processes and many factors affecting performance
– High quality standards can be challenging to maintain

Silicon Steel prices, news and research

Product Details: Silicon steel, also known as electrical steel, is a soft magnetic alloy primarily composed of iron with a small percentage of silicon. It is available in various specifications, including Grain Oriented (e.g., 130 0.3980mm) and Non-grain Oriented (e.g., 800 0.51200mm, 470 0.5*1200mm) types. The material is cold-rolled and comes in different thicknesses and widths, such as 0.18mm to 0.5mm and 10mm to 1250mm, respectively[1][3][5].

Pros:
– High magnetic permeability and low core loss, enhancing the efficiency of electr…
– High electrical resistivity, minimizing energy losses caused by eddy currents
– Good processing performance, allowing for easy fabrication and manipulation duri…
– Low iron loss, reducing energy dissipated as heat in alternating magnetic fields
– Smooth surface finish and good mechanical strength

Cons:
– Susceptibility to corrosion, requiring protective coatings in certain environmen…
– Higher material costs due to the inclusion of silicon
– Degree of brittleness, which may affect durability
– Application limitations, particularly in environments where corrosion or high te…
– Lower performance compared to alternative materials like amorphous metal in some…

Custom Electrical Steel Laminations Manufacturer in China

Product Details: Electrical steel laminations are thin layers of specialized electrical steel used to construct the cores of transformers, electric motors, and generators. Lammotor produces laminations with thicknesses between 0.25 and 1 mm, using methods such as laser cutting and wire EDM for precise and complex shapes. The laminations are available for both stator and rotor applications, and can be customized to meet specific client needs. They are typically made by stacking multiple layers of thin electrical steel sheets and punching holes to create the required shape. The laminations are suitable for various industrial applications, including HEV and EV drives, new energy

vehicles, aerospace, and defense[3].

Pros:
– High-quality silicon steel laminations reduce eddy current losses and increase m…
– Customizable to fit specific client needs in various shapes and sizes[3].
– Advanced stamping technology and precise cutting methods ensure high precision a…
– Cost-effective compared to other materials like powder metallurgy[4].
– Low power loss per cycle and high permeability, especially useful for convention…

Cons:
– Thinner laminations can be more difficult to stamp and assemble, potentially cau…
– The use of alloying elements like silicon and aluminum to reduce electrical loss…
– Full-face bonding is necessary to increase thermal conductivity, which can add c…
– Very thin laminations may not improve the stacking factor and can increase the v…

Silicon Steel

Product Details: Silicon steel, also known as electrical steel, is a special steel containing up to 3.2% silicon by weight. It is manufactured by cold rolling and is often pressed into laminations for use in the magnetic cores of transformers, motors, and other electrical equipment. The thickness is generally less than 2 mm. Silicon steel can be either oriented or non-oriented, each with different properties and applications[1][4][5].

Pros:
– Low loss and high efficiency due to excellent magnetic permeability and low hyst…
– High temperature stability, maintaining good magnetic properties and structural…
– Reduced eddy current losses and increased resistivity, improving energy efficien…
– Wide range of applications in power transmission and distribution systems, elect…
– Superior magnetic directionality and lower iron loss in oriented silicon steel[5…

Cons:
– Increasing silicon content can make processing more challenging, particularly in…
– Higher silicon content lowers magnetostriction but can reduce saturation inducti…
– The presence of inhibitors in oriented silicon steel can be harmful to magnetic…
– Non-oriented silicon steel, while cost-effective, has higher iron loss compared…

Flat rolled silicon-electrical steel, width >600mm (HS

Product Details: Flat rolled silicon-electrical steel, width >600mm, was the world’s 487th most traded product in 2022, with a total trade of $8.23B. The top exporters in 2022 were Germany, France, China, Austria, and Japan, while the top importers were Germany, France, Italy, China, and Spain. The product saw a significant trade growth between 2021 and 2022[5].

Pros:
– High magnetic properties, including low magnetic hysteresis, making it efficient…
– High electrical resistivity, minimizing energy losses caused by eddy currents an…
– Good processing performance, allowing for easy cutting, welding, bending, and pu…
– Low core loss, reducing energy dissipated as heat when an alternating magnetic f…
– Cost-effective compared to other materials like powder metal, with certain silic…

Cons:
– Susceptibility to corrosion, requiring protective coatings or alternative materi…
– Higher material costs due to the inclusion of silicon, which can limit its adopt…
– Design and thickness limitations, particularly in stamping processes which are g…

Comparison Table

Frequently Asked Questions (FAQs)

Frequently Asked Questions About Silicon Electrical Steel Factories in China

What is the primary use of silicon electrical steel produced in Chinese factories?

Silicon electrical steel produced in Chinese factories is mainly used for manufacturing large, medium, and small motors and transformers. This material is crucial for its high efficiency in reducing energy losses, making it ideal for power transmission and electrical devices.

How is silicon electrical steel manufactured in China?

The manufacturing process involves several steps, including melting, casting, reheating, and hot rolling. The steel is then cold rolled, acid pickled to remove scale, and annealed to achieve the desired properties. For grain-oriented steel, additional processing steps are necessary to develop the preferred grain orientation.

Which Chinese companies are prominent in producing silicon electrical steel?

Companies like Shanghai JISCO Electrical Technology Co., Ltd., Baosteel, and WISCO are prominent in the production of silicon electrical steel in China. These companies have significant production capacities and advanced technology to meet both domestic and international demands.

What are the key technological challenges in producing grain-oriented silicon steel in China?

Producing grain-oriented silicon steel is technologically sophisticated and complicated. It requires mastering the technology to achieve the right grain orientation, which is a critical indicator of a steel manufacturer’s technological capability. Chinese companies had to overcome a technological blockade through independent research and development to enhance their production capabilities.

What is the current production capacity and growth outlook for silicon electrical steel in China?

Chinese factories have substantial production capacities, with companies like Baosteel reaching annual capacities of up to 300,000 tons of grain-oriented silicon steel. Shanghai JISCO aims for an annual growth of 20%, indicating a strong growth outlook in the industry as it continues to specialize and scale up production.