Are you looking for the best transformer steel suppliers in China? Let’s dive into the top factories that are making waves in the industry. From Jiangsu to Guangdong, these Chinese manufacturers are known for their high-quality transformer steel, ensuring your power needs are met with reliability and efficiency. Here, we’ll explore some of the leading names, such as Wuxi Sheraxin Electrical Steel Co., Ltd. and Guangdong Hongwang Metal New Material Co., Ltd., to help you make an informed

China electrical steel manufacturers …

China Electrical Steel Manufacturers Suppliers Factory

Product Details: Electrical steel, also known as silicon steel or lamination steel, is a specialty steel used in the cores of electromagnetic devices such as motors, generators, and transformers. It is an iron alloy with silicon as the main additive element, which increases its electrical resistivity and reduces eddy currents. Electrical steel is tailored to produce specific magnetic properties, including low hysteresis loss, low core loss, and high permeability.

Pros:
– High magnetic permeability, making it ideal for magnetic applications.
– Low hysteresis loss and low eddy current loss, reducing energy losses and improv…
– Excellent corrosion and wear resistance, suitable for harsh environments.
– High electrical resistance, reducing energy losses in electrical equipment.
– Good formability, allowing it to be molded into complex shapes without cracking…
– Enhances efficiency, reduces operating costs, and minimizes environmental impact…

Cons:
– High cost, often two to three times more expensive than conventional steel.
– Difficult to process due to its hardness and brittleness, making cutting, weldin…
– Limited availability of specific sizes and shapes, which can delay projects and…
– Requires precise manufacturing and handling to maintain its magnetic properties.

Silicon Steel For The Transformer Core

Product Details: Silicon steel transformer cores are made from a high-silicon alloy, typically containing 0.5 ~ 4.5% silicon. These cores are used in various electrical applications, including transformers, electric motors, generators, and other electromagnetic devices. They are often laminated to enhance magnetic characteristics and reduce power loss. Key properties include low iron loss, high magnetic permeability, and good high-temperature stability.

Pros:
– Low loss and high efficiency due to excellent magnetic permeability and low hyst…
– High temperature stability, maintaining good magnetic properties and structural…
– Wide range of applications in power transmission and distribution systems, elect…
– Cost-effective to produce due to simpler manufacturing processes and widespread…
– High magnetic flux density, suitable for high-load applications.

Cons:
– Cannot match the energy-saving capabilities of amorphous cores, especially in co…
– Higher no-load losses compared to amorphous cores, which can be a disadvantage i…
– While efficient, silicon steel cores typically operate at an efficiency of 94% o…

China 35JNE300 Grain Oriented Silicon Transformer Steel …

Product Details: Grain-oriented silicon steel, such as the 35JNE300, is a type of electrical steel containing 2.9% to 3.5% silicon. It is characterized by its crystal structure being aligned in a specific direction, typically parallel to the rolling direction. This alignment enhances its magnetic properties, including high magnetic flux density and low core loss. It is commonly used in transformer cores, power transformers, distribution transformers, and other electromagnetic applications. The steel is usually supplied in a stress relief annealed condition and coated with magnesium silicate for electrical insulation between laminations[2][4][5].

Pros:
– High magnetic flux density, allowing it to carry more current than other types o…
– Low core loss due to the silicon content increasing electrical resistivity and r…
– High permeability in the rolling direction, making it ideal for non-rotating app…
– Available in various forms such as laminations, toroidal, and C-cores[2].

Cons:
– High cost due to the extensive processing and manufacturing required[4].
– Limited availability because of the few manufacturers producing this specialized…
– Sensitive to mechanical strain, which can affect core quality during assembly[5]…

Electrical steel now China’s star product amid global …

Product Details: Electrical steel, also known as E-steel, lamination steel, silicon electrical steel, or transformer steel, is a specialty steel used in the cores of electromagnetic devices such as motors, generators, and transformers. It is an iron alloy with silicon as the main additive element, which increases electrical resistivity and reduces eddy currents. Electrical steel is tailored to produce specific magnetic properties, including low hysteresis area, low core loss, and high permeability.

Pros:
– Reduces power loss and energy consumption by minimizing eddy currents and hyster…
– Enhances efficiency of electromagnetic devices, leading to significant energy sa…
– Allows for the production of smaller and lighter devices due to its high efficie…
– High reliability with higher saturation flux density, enabling it to handle grea…
– Environmentally friendly by reducing energy consumption and heat waste.

Cons:
– Excessive bending, incorrect heat treatment, or rough handling can adversely aff…
– Requires careful handling and processing to maintain its magnetic properties.

Grain Oriented Electrical Steel CRGO

CRGO Cold Rolled Silicon Steel Coil For Transformer

Product Details: Cold-rolled non-oriented silicon steel coil is produced according to standards such as AISI, ASTM, BS, DIN, GB, and JIS. It is available in grades like 35w250, 35w270, 35w300, etc. The width ranges from 600-1250mm, and the thickness options are 0.35mm, 0.50mm, and 0.65mm. The length can be customized according to customer requirements. This material is primarily used for manufacturing generators, motors, and other electrical devices due to its high magnetic induction intensity and low iron loss[1].

Pros:
– Low iron loss, which is a key quality indicator and crucial for efficient energy…
– High magnetic induction intensity, allowing for smaller and lighter iron cores i…
– High stacking coefficient due to its smooth, flat, and even surface, improving t…
– Good stamping performance, which is important for manufacturing small and micro…
– Good adhesion and weldability to insulating films, preventing corrosion and enha…
– High electrical resistivity, minimizing energy losses caused by eddy currents.
– Good processing performance, allowing for easy cutting, welding, bending, and pu…

Cons:
– Susceptibility to corrosion, requiring protective coatings or alternative materi…
– Higher material costs due to the inclusion of silicon, which can limit its adopt…
– A degree of brittleness that may affect durability.

Electrical Steel Companies – Top Industry Manufacturers …

Non-oriented electrical steel

Product Details: Baosteel offers a range of steel products including electrical steel, hot-rolled and cold-rolled steel, galvanized steel, and more. Electrical steel, such as non-oriented electrical steel, is characterized by its magnetic properties, nominal thickness, density, and maximum iron loss. Other products include hot-rolled high strength steel, cold-rolled automotive steel sheets, and various coated steel sheets like chromate-free anti-fingerprinting electrogalvanized steel and hot-dip galvanized steel.

Pros:
– High strength-to-weight ratio, making it lightweight and strong[4] – Easy to fabricate and produce massively, allowing for prefabrication and quick a…
– 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[4] – Sustainable and easily recyclable[2]

Cons:
– Susceptible to corrosion, especially when exposed to the elements[2][4] – High maintenance costs, including painting for corrosion resistance and fireproo…
– Risk of buckling in slender columns, which can compromise structural integrity[2…
– High expansion rate with changing temperatures, which can be detrimental to the…
– Not fireproof and loses properties in high temperatures[4]

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. The product standards include AISI, ASTM, BS, DIN, GB, JIS, and EN. It is classified into oriented 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 in 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 and low hysteresis loss
– Low eddy current loss
– Good formability: Can be easily molded into complex geometric shapes without cra…
– Good corrosion resistance: Suitable for use in harsh environments without degrad…

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

Comparison Table

Frequently Asked Questions (FAQs)

What are the key factors to consider when selecting a reliable transformer steel supplier in China?

When choosing a transformer steel supplier in China, you should research their reputation, check for accreditations like ISO, UL, CSA, or CE, and consider their experience in the industry. Ensure they have a quality assurance program in place and a team of qualified engineers for technical support. Also, look for suppliers that can customize products to meet your specific needs and have a good delivery record.

What types of electrical steel do Chinese suppliers typically offer?

Chinese suppliers often provide a range of electrical steel products, including Cold Rolled Grain Oriented (CRGO) and Cold Rolled Non-Grain Oriented (CRNGO) silicon steel. These materials are used in various applications such as transformers, motors, and electrical vehicles. Suppliers like Shanghai JISCO and Shougang Group offer these products in different thicknesses and standards like GB, AISI, ASTM, DIN, and JIS.

How do I ensure the quality of the electrical steel from Chinese suppliers?

To ensure the quality of electrical steel from Chinese suppliers, look for companies with verified business licenses and those that have been audited by independent third-party inspection agencies. Check if they adhere to international standards and have a robust quality assurance program. Additionally, requesting samples before placing a large order can help you assess the quality firsthand.

What is the typical lead time for receiving electrical steel from Chinese suppliers?

The lead time for receiving electrical steel from Chinese suppliers can vary. For samples, it usually takes about 5-7 days, while for mass production, it can take around 25-35 days. However, this can vary depending on the supplier and the specific requirements of your order.

Can Chinese transformer steel suppliers customize products to meet my specific needs?

Yes, many Chinese transformer steel suppliers offer customization options. They can produce electrical steel coils and sheets according to your specifications, including different thicknesses, grades, and standards. Suppliers like Shanghai JISCO and Shougang Group have the capability to customize their products to fit the unique requirements of their clients.