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Broadcast Tower Tubular Diaphragm

Ring-shaped tubular steel diaphragms providing horizontal stiffening in FM broadcast lattice towers. Bolted assembly design. 7308.20.0030 for sectional tower components.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+75.0%75%
🇲🇽MexicoFree+50.0%50%
🇨🇦CanadaFree+50.0%50%
🇩🇪GermanyFree+50.0%50%
🇯🇵JapanFree+50.0%50%

Alternative Classifications

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

7306.90.50.00Same rate: 75%

If threaded/screwed tube fittings

Fittings vs. structural diaphragms.

Not sure which classification is right?

The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.

Import Tips & Compliance

• Specify antenna load distribution; ensure diaphragm flatness tolerances; avoid ring/hoop misclassification