27QG100 Grain Oriented Electrical Steel | High Permeability Hi-B Core
Description
Technical Parameters
Henan GNEE Electric Co., Ltd. is one of the leading manufacturers and suppliers of 27QG100 Grain Oriented Electrical Steel | High Permeability Hi-B Core in China, also supports customized service with low price. Welcome to buy discount 27QG100 Grain Oriented Electrical Steel | High Permeability Hi-B Core for sale here from our factory. If you have any enquiry about pricelist, please feel free to email us.
27QG100 Grain Oriented Electrical Steel: The Core Material for Advanced Power Conversion Systems
For manufacturers of cutting-edge power quality and conversion solutions, the efficiency of your final equipment relies heavily on the magnetic core material used inside your transformers, rectifiers, and inductors. When designing systems for critical applications in the industrial, resource, and commercial sectors, standard silicon steel simply isn't enough.
Enter 27QG100 Grain Oriented Electrical Steel (GOES).
Engineered for ultra-low core loss and exceptionally high magnetic permeability, the 27QG100 grade (0.27mm thickness, High Magnetic Induction/Hi-B) is the ultimate material choice for companies building mission-critical power management equipment.
Why Top Power Equipment Manufacturers Choose 27QG100
In the power conversion industry, minimizing energy loss and managing heat dissipation are constant engineering challenges. The 27QG100 Hi-B electrical steel provides unparalleled electromagnetic performance:
- Ultra-Low Core Loss: Significantly reduces no-load losses in transformers, directly improving the overall energy efficiency of your power conversion units.
- High Magnetic Permeability: Allows for a higher magnetic flux density at a lower magnetizing force. This enables engineers to design smaller, lighter, and more compact magnetic cores without sacrificing performance.
- Superior Coating & Stacking Factor: Ensuring excellent interlaminar insulation and punching workability for precise core assembly.
27QG100 Grain oriented electrical steel
- Electrical steel Product:Oriented (GO) electrical steel 27QG100 strip,oriented Silicon steel sheet 27QG100.
- Application:Transformer, Reactor, mutual inductor, motor.
- Insulation coating: T2Edge condition: Cut edge (EC)
- Type:High magnetic induction grain oriented (GO) electrical steel 27QG100.
27QG100 GO Electrical Steel Magnetic properties
| Grade | Thickness (mm) | Assumed Density (kg/dm³) |
|---|---|---|
| 27QG100 | 0.27 | 7.65 |
| Typical Values | Guaranteed Values | Lamination Factor (Stacking Factor) | ||
|---|---|---|---|---|
| P1.7/50 (W/kg) | B8 (T) | P1.7/50 (W/kg) max | B8 (T) min | Min. Lamination Factor |
| 0.95 | 1.91 | 0.96 | 1.90 | 95.5% |
Magnetization Curve
27QG100 oriented (GO) electrical steel magnetization curve (available upon request).
Coil / Strip Size and Tolerance
Coil Inner Diameter: 508 mm, tolerance: +10 mm / -10 mm
Tolerance on Dimension and Shape
| Nominal Thickness (mm) | Nominal Thickness Tolerance (mm) | Longitudinal Thickness Deviation (mm) | Transverse Thickness Deviation (mm) | Width Tolerance (Cut Edge) (mm) | Burr Height (mm) | Nominal Width (mm) |
|---|---|---|---|---|---|---|
| 0.27 | +0.010 / -0.020 | +0.012 / 0 | +0.010 / 0 | +0.5 / 0 | ≤ 0.025 | 850 – 1200 |
Typical Mechanical Properties
| Tensile Strength (L) | Elongation (L) | HV1 |
|---|---|---|
| 357 MPa | 10% | 178 |
27QG100 GO Electrical steel coating properties:
Thickness of coating: 4-6um/side
Surface insulation resistivity: Guaranteed value ≥ 30Ω.cm2 / lamination (Typical value: 80Ω.cm2 / lamination)
27QG100 oriented (GO) electrical steel electromagnetic properties data and curves (core loss curves, DC magnetization & permeability curves, exciting power curves)
Supply Preference:
Slit Coil internal dimensions: 500mm.
Individual Slit Coils to be wrapped in corrosion proof material.
Coils to be supplied on pallets, horizontally stacked separated by wooden spacers.
Each stacked pallet to have a weight not exceeding 2000kg.
Each stacked pallet to have a protective outer skin.
Applications for 27QG100 Electrical Steel
The stable and high-performance magnetic properties of 27QG100 make it the primary raw material for manufacturing high-frequency transformers and heavy-duty inductors used in:
- Uninterruptible Power Supplies (UPS): Providing reliable, clean power for data centers and medical facilities where failure is not an option.
- Battery Energy Storage Systems (BESS): Enhancing the conversion efficiency for utility grids and commercial power distributors.
- Heavy & Light Rail Power Infrastructure: Core materials for High Current Rectifiers in traction substations, handling massive electrical loads with minimal thermal stress.
- Aviation, Marine & Specialized Converters: Ideal for the precise voltage/current regulation required in Ground Power Units (GPU) for aircraft, Port Power Converters for docks, and Current Regulators for airport lighting networks.

Guaranteed Quality and Custom Slitting Services
We understand that manufacturing high-end current regulators and rectifiers requires exact material tolerances. At GNEE Steel, we don't just supply raw 27QG100 master coils; we offer precision deep-processing services:
- Custom Slitting & Cut-to-Length: We process the 27QG100 coils into your exact required width strips, ready for immediate core winding or stamping, minimizing your scrap rate.
- Fully Traceable MTC: Every batch is delivered with an EN 10204 3.1 Mill Test Certificate, guaranteeing the core loss and magnetic induction values your engineers specify.



Upgrading the Efficiency of Your Power Conversion Products?
Don't let inferior core materials bottleneck your power quality solutions. Partner with a reliable electrical steel supplier who understands the demands of the critical power sector.
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