0.30mm Grain-Oriented Silicon Steel for Power Transformers

0.30 mm thick grain-oriented silicon electrical steel sheet, 700 mm wide, with domain-refined structure for ultra-low core loss. Classified in HTS 7225.11.00.00 as flat-rolled alloy steel >600 mm specifically grain-oriented for electrical use. Essential for large power transformer cores requiring directional magnetic properties.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
πŸ‡¨πŸ‡³ChinaFree+35.0%35%
πŸ‡²πŸ‡½MexicoFree+10.0%10%
πŸ‡¨πŸ‡¦CanadaFree+10.0%10%
πŸ‡©πŸ‡ͺGermanyFree+10.0%10%
πŸ‡―πŸ‡΅JapanFree+10.0%10%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

7226.11.90Same rate: 35%

If width 300-600 mm

Electrical steel in medium width range (300-600mm) falls under 7226.11, distinct from wide products.

8504.90Lower: 10% vs 35%

If imported as transformer stator cores

Assembled into electrical transformer parts classifies under Chapter 85 machinery.

7212.60.00.00Same rate: 35%

If hot-rolled base form

Hot-rolled silicon steel prior to cold-rolling classified in 7212, different processing stage.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

β€’ 1

β€’ Include grain orientation test certificates (e.g

β€’ Epstein test data). 2

β€’ Avoid bulk packaging that causes edge damage affecting magnetic performance. 3

β€’ Confirm alloy composition meets silicon-electrical steel definitions

Related Products under HTS 7225.11.00.00

M15 Grain-Oriented Silicon Electrical Steel Sheet

Flat-rolled grain-oriented silicon electrical steel with 3% silicon content, width 800 mm, thickness 0.30 mm, optimized for minimum core loss in transformers. Classified under HTS 7225.11.00.00 as grain-oriented silicon electrical steel, a specialized alloy steel over 600 mm wide for electrical applications. The grain orientation enhances magnetic properties by aligning crystal structure for efficient flux flow.

M4 Grain-Oriented Silicon Steel Coil

High-permeability M4 grade grain-oriented silicon electrical steel coil, 1000 mm wide, 0.27 mm thick, used in distribution transformer cores. Falls under HTS 7225.11.00.00 due to its alloy steel composition with oriented grains for superior magnetic performance. The wide format (>600 mm) distinguishes it from narrower electrical steels.

HI-B Grain-Oriented Electrical Steel Plate

High-induction HI-B grade grain-oriented silicon steel plate, 900 mm wide, 0.23 mm thick, for high-efficiency transformer laminations. HTS 7225.11.00.00 covers this wide, grain-oriented alloy steel designed for low loss in AC magnetic circuits. Grain orientation aligns easy magnetization direction with rolling direction.

Domain-Refined GO Silicon Steel 0.27mm

Domain-refined grain-oriented (GO) silicon electrical steel, 0.27 mm thickness, 1100 mm width, minimizing losses in high-frequency applications. HTS 7225.11.00.00 applies to this wide alloy steel with precise grain orientation for transformer manufacturing. Laser scribing enhances domain structure for better performance.

Conventional Grain-Oriented Steel CRGO 0.35mm

Conventional grain-oriented (CRGO) silicon electrical steel, 0.35 mm thick, 750 mm wide, standard grade for distribution transformers. Under HTS 7225.11.00.00 as flat-rolled grain-oriented alloy steel >600 mm for magnetic cores. Provides balanced cost/performance for electrical applications.

High-Tension Transformer GO Steel Sheet

Grain-oriented silicon steel sheet for high-tension transformers, 0.23 mm x 950 mm wide, low core loss grade. HTS 7225.11.00.00 for wide grain-oriented electrical alloy steel. Optimized crystal orientation reduces eddy current losses in power grids.