The electric vehicle revolution is rewriting the specification book for motor materials. Where industrial motors running at 50 Hz were well-served by 0.35–0.50 mm non-oriented electrical steel, EV traction motors operating at 400–2,000 Hz demand gauges ten times thinner — and the material science behind that requirement changes everything about how silicon steel is selected, […]
Grain-oriented silicon steel (CRGO) prices have increased approximately 40–70% since 2020, according to BusinessAnalytiq’s Grain-Oriented Electrical Steel Price Index. For transformer manufacturers, this is not an abstract market trend — it directly compresses margins and complicates fixed-price project bids. This article explains precisely why CRGO costs what it does, what will drive prices over the
The thickness of electrical steel laminations is the single most adjustable lever for controlling eddy-current losses — and its effect is dramatic. Cutting lamination thickness in half reduces eddy-current losses to one-quarter. But thinner material is harder to punch, more expensive to produce, and increases stacking time. This guide covers the full thickness range from
Selecting the correct silicon steel grade for a transformer core is not a catalog exercise — it is a loss-budget engineering decision that locks in your transformer’s efficiency for its entire 25–40 year service life. This guide walks you through the grade selection framework used by Zhongxin Steel’s technical team when advising transformer manufacturers across
Choosing between CRGO and CRNGO electrical steel is one of the most consequential material decisions in transformer and motor design — and the wrong choice can increase core loss by 3 to 6 times. This guide breaks down every meaningful difference between Cold-Rolled Grain-Oriented (CRGO) steel and Cold-Rolled Non-Grain-Oriented (CRNGO) steel, so you can select
Selecting the correct silicon steel (electrical steel) grade directly affects core loss, temperature rise, energy efficiency class, and total lifecycle cost of motors, transformers, and inductors. With multiple variables – non-oriented vs. grain-oriented, thickness, coating, core loss values – a systematic selection method is essential. Wuxi Zhongxin Special Steel Co., Ltd. has over ten years
The global push toward AI data centers, renewable integration, and grid modernization has stretched transformer delivery lead times to three to five years in many markets. At the heart of every transformer sits a deceptively humble material — silicon steel — and overnight, it has been repriced from “ordinary industrial commodity” to “strategic resource.” But
Magnetic Anisotropy: Grain-oriented silicon steel exhibits strong magnetic anisotropy, characterized by extremely high magnetic permeability and very low iron loss in the rolling direction; non-oriented silicon steel, conversely, possesses isotropic magnetic properties that are uniform in all directions. Silicon Content: Grain-oriented silicon steel features a relatively high silicon content (approximately 3.0% to 3.5%), whereas
Grain-Oriented Silicon Steel (GOES Steel) is a high-end variety of electrical steel, also known as cold-rolled grain-oriented silicon steel. Electrical steel is an indispensable soft magnetic material in the power industry, mainly divided into two categories: grain-oriented silicon steel and non-oriented silicon steel. Through special rolling and heat treatment processes, grain-oriented silicon steel achieves a
Non-Oriented Silicon Steel (N.O. Si Steel), also known as non-oriented electrical steel, is typically supplied in coils and sheets and can be processed by stamping, shearing, punching, laminating, welding, etc. It is an iron-silicon alloy with a silicon content of 0.5%–4.5%. After special rolling and heat treatment processes, it exhibits a uniform grain orientation distribution
