M6 Grain-Oriented Silicon Steel
Sep 26, 2025
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What Is M6 Grain-Oriented Silicon Steel
M6 grade grain-oriented silicon steel is a specialized silicon steel sheet designed with high magnetic permeability and low core loss, making it an ideal solution for energy-efficient electrical components. With precise grain orientation, this silicon steel minimizes energy dissipation and enhances magnetic properties, particularly in transformers and high-performance silicon steel cores. The coils are manufactured using advanced processes at established silicon steel mills to deliver consistent quality and meet international standards. The M designation is used in traditional grain-oriented steel classification systems, where the number relates to the guaranteed loss level of the grade.
Features
Customizable dimensions: both coils and sheets can be tailored to customer needs.
Insulation coating: improves resistivity and reduces eddy current loss.
Versatile applications: perfect for silicon steel coils, lamination production, and transformer core manufacturing.
Specifications
| Parameter | Specification/details |
|---|---|
| Thickness | 0.35 mm |
| Width | 20-1250 mm (customizable) |
| Length | 200-3000 mm (fixed sheets) |
| Coil inner diameter | 508 mm (standard) or 610 mm (optional) |
| Coil weight | 2-8 MT (as per customer requirement) |
| Flatness | 1.5 mm/m max |
| Thickness tolerance | +/-0.02 mm |
| Surface treatment | Insulation coating (for example C5, C6 coating) |
| Grain orientation | Single direction (rolling direction) |
| Density | 7.65 g/cm3 |
| Silicon content | 3.0-3.3% |
| Surface quality | Smooth, low roughness, suitable for precision cutting |
| Applications | Transformer cores, silicon steel sheets, laminations |
Applications
M6 grain-oriented silicon steel is used in transformer cores for power distribution, silicon steel sheet and lamination production, and high-performance magnetic cores where low loss and high permeability are required. The 0.35 mm thickness is the classic lamination gauge for distribution transformers.
Frequently Asked Questions
Q: What is M6 silicon steel? A> A grain-oriented silicon steel grade in the traditional M-series classification with low guaranteed core loss.
Q: What is the thickness? A> 0.35 mm, the standard lamination gauge.
Q: What is the silicon content? A> About 3.0-3.3 percent.
Q: What sizes are available? A> Widths from 20 mm to 1250 mm and lengths from 200 mm to 3000 mm, with custom dimensions.
Q: Why is insulation coating applied? A> It improves resistivity and reduces eddy current loss between laminations.
Q: Where is M6 steel used? A> Transformer cores, laminations, and high-performance silicon steel cores.
Need grain-oriented silicon steel for your production? Contact us with grade, thickness, and width for a quotation.