Toroidal Stacked Transformer Core Blank

Pre-cut and stacked ring-shaped silicon steel laminations forming toroidal cores for audio and power transformers. These require final winding but provide precise magnetic paths. Classified as stacked cores under HTS 8504.90.96.38.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

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

8504.90Same rate: 35%

If pre-wound with copper magnet wire

Wound cores become distinct transformer components.

7208.90.00.00Same rate: 35%

If supplied as individual punchings rather than stacked

Loose laminations classified as worked flat-rolled products.

Not sure which classification is right?

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Import Tips & Compliance

Inner/outer diameter tolerances and stack density specs prove toroidal transformer suitability

Avoid tape-binding laminations, as permanent assembly shifts to other part categories

Audio-grade cores may face different valuation; separate from power cores in declarations

Related Products under HTS 8504.90.96.38

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