Fast Delivery CRGO Cold Rolled Oriented Electrical Silicon Steel for Transformer Cores
Oct 21, 2025
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Cold Rolled Oriented Electrical Silicon Steel
Cold-rolled oriented electrical silicon steel (CRGO) is a high-performance magnetic alloy used primarily for making power transformers. Its grains are intentionally aligned during processing, giving it superior magnetic properties like high magnetic permeability and low core loss when magnetized in the rolling direction. This orientation allows for the creation of more efficient, smaller, and lighter transformer cores compared to traditional or non-oriented silicon steels.
CRGO Electrical Silicon Steel Feature
Grain-oriented:
The crystalline structure is aligned in the direction of rolling, which creates an easy path for magnetization.
High permeability:
It is highly susceptible to becoming magnetized, allowing the transformer to operate efficiently.
Low core loss:
It has a low energy loss during magnetic flux cycling, which reduces heat and improves overall efficiency.
High magnetic induction:
It can handle a strong magnetic field with less energy, reducing the size and weight of the core.
CRGO Electrical Silicon Steel Advantages
- Increased efficiency: Low core loss minimizes energy consumption.
- Reduced size and weight: Higher magnetic performance allows for smaller and lighter cores in transformers.
- Improved performance: Contributes to more reliable transformer operation.
- Cost reduction: Can reduce the need for other materials like copper wire and insulating materials.
Silicon steel core Application
Power and distribution transformers:
Due to its high efficiency, it is essential for applications where minimizing energy loss is critical.
High-performance applications:
It can be used in static equipment like transformers where its specific magnetic properties are beneficial.
Silicon steel transformer core specification
Silicon steel core can be customised
| size ( d * D * B )(mm) |
Cross-sectional area(mm²) |
weight(g) |
volt-ampere characteristic(mV) (1A excitation current output) |
Magnetic circuit length(mm) |
| 184*226*60 | 1260 | 7096 | 7.6 | 643.7 |
| 52.5*90.5*64 | 1216 | 2388 | 27.2 | 224.5 |
| 57*89*58 | 928 | 1861 | 17.3 | 229.2 |
| 55*81*68 | 884 | 1651 | 29.3 | 213.5 |
| 59*89*53 | 795 | 1616 | 19.8 | 232.4 |
| 55*87*40 | 640 | 1248 | 19.8 | 222.9 |
| 60*88*40 | 560 | 1139 | 13.8 | 232.4 |
| 41*72*25 | 387.5 | 602 | 14.1 | 177.4 |
| 66*91*30 | 375 | 809 | 9.9 | 246.5 |
| 59*79*30 | 300 | 569 | 7.3 | 216.7 |
| 62*82*30 | 300 | 593 | 8.8 | 226.1 |
| 59*77*30 | 270 | 504 | 7.3 | 213.5 |
| 59*85*12 | 156 | 309 | 3.6 | 226.1 |
| 55*75*15 | 150 | 268 | 3.3 | 204.1 |
| 61*85*12 | 144 | 289 | 2.1 | 229.2 |
| 60*82*11 | 121 | 326 | 3.9 | 222.9 |
| 43*57*15 | 105 | 144 | 4.3 | 157.1 |
| 24*35*10 | 55 | 45 | 3.1 | 92.6 |
GNEE Featured Products
Gnee provides premium iron cores to the world. Our cores can be selected in a wide range of materials, shapes, applications, manufacturing techniques, etc., to meet customers' diverse demands. Explore our wide product range now~
Manufacturing Process
1. Raw Material Sourcing
2. Slitting
3. Punching
4. Laminating
5. Core Forming
6. testing
GNEE EC
Founded in 2008 and located in Anyang in China, Gnee Electric is a high-tech enterprise specializing in researching and manufacturing iron core products.
The company currently occupies over 20,000 square meters and employs more than 200 people, including over 80 professionals. After more than 18 years of development, we have built our own magnetic material production base and independently develope, produce, and sell various kinds of iron cores. The common types include silicon steel cores, motor cores, transformer cores, toroidal iron cores, special-shaped cores, custom cores, and others. Our cores are widely applied in different sectors including transformers, motors, mutual inductors, voltage stabilizers, welding machines, magnetic amplifiers, and instrumentation, providing diverse core solutions to global customers.
30+
Types of Products
18k+
Happy Clients
Why Choose GNEE EC?
GNEE EC was founded in 2008, which is a National High-tech Enterprise & Famous Brand Enterprise in China, developing into a professional manufacturer and supplier of high-quality iron cores.
18+
Over 18 years of success in the iron core industry;
National High-tech Enterprise & Famous Brand Enterprises in China;
200+
Over 200 employees;
The R&D team has more than 80 experienced engineers and the production team has more than 100 skilled staffs;
35+
Annual turnover up to 35 million dollor per year;
Owns many sets of highly automatic winding, annealing, and assembling machines;
1,000+
Over 1000 customers in domestic and overseas markets;
core Products are exported to more than 70 countries in the world;
Gnee Iron Core Factory Overview
Meet Our Sales Manager
"The Core of the Iron Core, the Power of Leadership" - See Our Great Decision-Makers Deeply Engaged in the Magnetic Materials Industry.
Edison Zhang
CEO
Kelly Zhang
General Manager
Alex Cao
Sales Manager
Industries Served
Automobile Industry
New Energy
Transformer Applications
Our Mission
Strive To Create world-class Iron core brand
With 18 Years of industry experience, we focus on the research, development, and manufacturing of high-quality iron cores for electricity, industrial control, new energy, and automotive markets