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Beryllium Heat Sink Inserts

Machined beryllium inserts embedded in electronic heat sinks for thermal management. As 'other' beryllium articles, HTS 8112.19.00.00 applies.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China5.5%+37.5%43%
🇲🇽Mexico5.5%+10.0%15.5%
🇨🇦Canada5.5%+10.0%15.5%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+12.5%12.5%

Alternative Classifications

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

8473.30.51.00Higher: 50% vs 43%

If parts of computers/servers

Mounted heat sink assemblies classify under Chapter 84 automatic data processing parts.

7419Lower: 12.5% vs 43%

If copper-beryllium composite

If alloyed during fabrication, may shift to Chapter 74 copper articles.

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 CTE matching for electronic packages in descriptions

• If sold with aluminum heat sink, declare as set vs. separate component

• Thermal interface material residues must not alter metal purity classification