M4 Grain-Oriented Silicon Steel Coil
High-permeability M4 grade grain-oriented silicon electrical steel coil, 1000 mm wide and 0.27 mm thick, used in distribution transformer cores. Its flat-rolled form, width over 600 mm, and grain-oriented alloy composition qualify it under this tariff item.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | +50.0% | 50% |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the steel is non-oriented
Non-grain-oriented silicon steel is classified under 7225.19.00.
If the width is 600 mm or less
Grain-oriented steel under 600 mm width falls in heading 7226.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Confirm the M4 grade's permeability and core loss with mill test certificates
• Ensure the width exceeds 600 mm and the coil is flat-rolled
• Consider using a customs broker for accurate duty calculation and compliance
Related Products under Tariff item 7225.11.00
0.30mm Grain-Oriented Silicon Steel for Power Transformers
Grain-oriented silicon electrical steel sheet, 0.30 mm thick and 700 mm wide, with a domain-refined structure that minimizes core loss in power transformers. The material is flat-rolled alloy steel exceeding 600 mm in width, and its grain orientation aligns with the magnetic flux path, a defining characteristic of this tariff item.
Conventional Grain-Oriented Steel CRGO 0.35mm
Conventional grain-oriented (CRGO) silicon electrical steel, 0.35 mm thick and 750 mm wide, standard grade for distribution transformer cores. Its flat-rolled form, width over 600 mm, and grain-oriented crystal structure place it squarely under this tariff item.
Domain-Refined GO Silicon Steel 0.27mm
Domain-refined grain-oriented (GO) silicon electrical steel, 0.27 mm thick and 1100 mm wide, engineered for low losses in high-frequency transformer applications. The wide flat-rolled format and precise grain orientation meet the criteria of this tariff item.
Goss Grain-Oriented Silicon Steel 0.25mm
Goss-textured grain-oriented silicon electrical steel, 0.25 mm thick and 820 mm wide, a classic grade for transformer core laminations. The Goss texture ensures optimal magnetic properties, and the flat-rolled form over 600 mm wide qualifies under this tariff item.
HI-B Grain-Oriented Electrical Steel Plate
High-induction HI-B grade grain-oriented silicon steel plate, 900 mm wide and 0.23 mm thick, designed for high-efficiency transformer laminations. Its flat-rolled form, width over 600 mm, and grain-oriented structure align with this tariff item.
High-Tension Transformer GO Steel Sheet
Grain-oriented silicon steel sheet for high-tension transformers, 0.23 mm thick and 950 mm wide, with a low core loss grade. The wide flat-rolled format and optimized crystal orientation for reduced eddy currents qualify it under this tariff item.