Automotive Steel Archives

The Key Material Behind Next-Generation Generators

In the world of modern industry, generators are the “heart” of energy conversion systems. Their performance plays a critical role in determining overall energy efficiency. As global standards tighten—such as IEC 60034-30-1’s mandatory IE4/IE5 efficiency classes—innovation in core materials has become essential for technological advancement in generator design. Among the most impactful innovations is Cold […]

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Cold Rolled Non-Grain Oriented Silicon Steel

Automotive Steel / blog

In modern industry, generators serve as the “heart” of energy systems—their performance directly influences the efficiency of energy conversion. As global energy efficiency standards rise (e.g., IEC 60034-30-1’s mandates for IE4/IE5 efficiency levels), material innovation has become a key driver of advancements in generator technologies. Among numerous material upgrades, Cold Rolled Non-Grain Oriented Silicon Steel

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A kind of oriented silicon steel ignited by ultra-high voltage

Automotive Steel / blog

Electrical steel is a vital core material in magnetic devices. For example, these devices include transformers, ballasts, amplifiers, voltage stabilizers, relays, rectifiers, and electromagnetic switches. In recent years, three forces have driven demand. Specifically, they are the rise of new energy power systems, the national dual-carbon strategy, and the growth of smart manufacturing. As a

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A Comprehensive Guide to Transformer Silicon Steel

Automotive Steel / blog

Grain Oriented Silicon Steel (CRGO) is the go-to material for transformer cores. With a silicon content of 0.8% to 4.8%, this soft magnetic material offers exceptional magnetic permeability, making it a critical component in building efficient magnetic circuits for transformers. Transformer Core Why Use Grain Oriented Silicon Steel in Transformers? Transformers operate under alternating magnetic fields,

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A Deep Dive into Motor Core Joining Techniques

Automotive Steel / blog

With the rapid development of electric vehicles, wind power, and rail transportation, motors today are expected to deliver higher efficiency, lower energy losses, and greater reliability. At the heart of every motor lies its laminated core, typically built from layers of silicon steel sheets. But how these sheets are joined together plays a crucial role—not

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Interpretation of the Motor Core Lamination Process

Automotive Steel / blog

In the design and manufacturing of electric motors, the lamination of the core plays a decisive role. Have you ever wondered why motor cores are built using a laminated structure? The answer lies in efficiency. Laminated cores effectively suppress eddy current loss and, as a result, significantly improve motor performance. Although this might sound like

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butt joint in transformer core lamination

The joint method for stacking transformer cores

Automotive Steel / blog

In transformer manufacturing, the method of core lamination assembly is a key determinant of overall performance. The joint design used in stacking grain-oriented electrical steel (GOES) or non-oriented steel sheets directly affects transformer losses, efficiency, and operational reliability. This article offers a comprehensive review of the most common joint configurations, analyzing how joint structure influences

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Modern Motor Core Joining Techniques

Automotive Steel / blog

In industrial equipment, the motor is the core component. Many people treat the motor core joining method as merely an “assembly detail.” In reality, however, it profoundly influences overall efficiency, service life, and energy consumption. Why Are Motor Cores “Laminated in Layers”? From Silicon Steel Strip to Laminated Core As devices that convert electrical energy

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Types and Construction of Transformer Cores

Automotive Steel / blog

The magnetic circuit is a fundamental component of a transformer core. Whether laminated or wound, the core provides a low-reluctance path for the main magnetic flux generated by the excitation windings. The portion of the core surrounded by the windings is known as the core limb, while the part not enclosed is referred to as

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5 Key Criteria for Choosing a Reliable CRGO Electrical Steel Supplier

Automotive Steel / blog

When it comes to sourcing CRGO (Cold Rolled Grain-Oriented Electrical Steel), many international procurement managers often run into the same set of challenges: Everything goes smoothly during the sample phase, but bulk deliveries are repeatedly delayed; Material test data looks good, but performance becomes inconsistent once assembled; Last-minute drawing changes or urgent demands? The original

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