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M3 Grain-Oriented Electrical Steel

Thickness: Typically 0.23 mm
Core Loss: ≤ 0.90 W/kg at 1.7 Tesla, 50 Hz
Magnetic Induction (B800): ≥ 1.88 Tesla
Grades Available: M3, 23CG120, 27CG120

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Available GOES Grades

Standard            Typical Grades            Application            
ASTM A876            M-2, M-3, M-4            Transformer cores (USA, global)            
JIS C2553            30Z155, 27Z130            Japanese transformer manufacturers            
EN 10107            M0H, M3H, M5H            European high-grade transformer steel            
IEC 60404-8-7            CGO, HGO            International classification            

Types of GOES We Supply

 

1. Conventional Grain-Oriented (CGO)

Used in general-purpose transformers, offers balanced cost and performance.

 

2. High Permeability Grain-Oriented (HGO)

Improved magnetic induction and lower core loss, widely used in energy-efficient and low-noise transformers.

 

3. Laser-Scribed GOES (Hi-B / Ultra HGO)

Enhanced domain refinement for ultra-low loss applications; enables compact and efficient transformer design.

 

Key Technical Properties

Parameter                Conventional GOES (CGO)                High Permeability (Hi-B)Thin-Gauge HGO
ความหนา                0.27mm, 0.30mm0.23mm, 0.27mm0.18mm, 0.15mm
Core Loss (P1.7/50)1.10–0.90 W/kg0.85–0.65 W/kg0.95–0.75 W/kg*
Induction (B₈₀₀)≥1.88 T≥1.93 T≥1.90 T
GradesM090-27P5, 30P10523ZDKH85, 27ZDKH90JGHF® 0.18mm
CoatingC-5 PhosphateC-6 Chromate/ZMLLaser-Insulated

 

Processing & Surface Coating

GOES is supplied with insulation coatings suited for transformer manufacturing:

  • C-5 (Fully Insulated) – High resistance, heat-resistant coating

  • C-9 (Semi-Insulated) – Balance between insulation and weldability

  • Phosphate or Organic Coatings – For specific lamination bonding applications

We provide both un-slitted coils and ready-to-stack laminations.

 

Product Specifications

PropertyTypical Value / Range
Silicon Content            2.9% – 3.5%            
ความหนา            0.18 mm – 0.35 mm            
Magnetic Induction (B800)            ≥ 1.88 T            
Core Loss (P17/50)            ≤ 1.0 W/kg (depending on grade)            
Grain Orientation            Goss texture {110}<001>            
Coating Type            C-5, C-9, or customized insulation            
Surface Resistance            > 20 Ω/sq (depending on coating)            
International Standards            ASTM A876, IEC 60404-8-7, JIS C2553            

 

Packaging & Delivery

China Silicon Steel Manufacturer & Exporter | High-Quality Steel Products | Baowu

 

Applications of GOES

 

China Silicon Steel Manufacturer & Exporter | High-Quality Steel Products | Baowu

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