0.2mm 65grade B20r065 CRGO Grain Oriented Cold Rolled Silicon Steel Mother Coil
Sep 28, 2025
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CRGO (Cold Rolled Grain Oriented) electrical silicon steel coils are critical components used in the production of transformer cores due to their exceptional magnetic properties.
These coils are specifically designed to exhibit superior magnetic characteristics when magnetized in the rolling direction, making them ideal for applications where directional magnetic properties are crucial.
Manufactured through a process that involves cold rolling followed by annealing in a controlled atmosphere, CRGO silicon steel coils possess a unique grain structure that enhances their magnetic properties, such as high magnetic permeability and low core losses. This enables efficient energy conversion and transmission within transformers, ensuring minimal energy wastage during operation.
The use of CRGO steel coils in transformer cores results in improved efficiency, reduced energy losses, and enhanced performance in power distribution systems. These coils are available in various grades and thicknesses to meet specific design requirements, contributing to the development of reliable and high-performance transformers essential for electricity distribution networks.
Designed for transformers, inductors, and power modules, CRGO C-Cores provide high magnetic efficiency with low core loss. Available as split or bonded pairs, these cores offer excellent performance for compact and modular designs.
A standard solution for laminated transformer assemblies, CRGO E-Cores enable easy coil mounting and deliver consistent performance in both low- and medium-frequency circuits. Suitable for power electronics and general-purpose applications.
Rigid and stable, bonded block cores are manufactured from stacked CRGO laminations. Ideal for heavy-duty magnetic assemblies requiring mechanical strength and dimensional consistency.
| Max Core Loss@P1.7T/50Hz | Min Induction@B800 | ||||
| 23Q110 | 900-1200mm | 1.10w/kg | 97.2 | 1.82T | |
| 23Q120 | 1.20w/kg | 97.2 | 1.82T | ||
| 27Q120 | 1.20w/kg | 97.5 | 1.82T | ||
| 30G120 | 1.20w/kg | 98 | 1.82T | ||
| B20P085 | 900-1200mm | 0.85w/kg | 97 | 1.86T | |
| B23P085 | 0.85w/kg | 97.2 | 1.88T | ||
| B23P090 | 0.90w/kg | 97.2 | 1.88T | ||
| B23P095 | 0.95w/kg | 97.2 | 1.88T | ||
| B23P100 | 1.00w/kg | 97.2 | 1.88T | ||
| B27P095 | 0.95w/kg | 97.5 | 1.89T | ||
| B27P100 | 1.00w/kg | 97.5 | 1.89T | ||
| B30P120 | 1.20w/kg | 98 | 1.89T | ||
| B20R065 | 900-1200mm | 0.65w/kg | 97 | 1.86T | |
| B23RK085 | 0.85w/kg | 97.2 | 1.88T | ||
| B27RK085 | 0.85w/kg | 97.5 | 1.89T |
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~
1. Raw Material Sourcing
2. Slitting
3. Punching
4. Laminating
5. Core Forming
6. testing
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+
18k+
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;
1,000+
Over 1000 customers in domestic and overseas markets;
core Products are exported to more than 70 countries in the world;
"The Core of the Iron Core, the Power of Leadership" - See Our Great Decision-Makers Deeply Engaged in the Magnetic Materials Industry.
