Molded Graphite Block for Vacuum Furnace

Large molded blocks of artificial graphite used to fabricate components for vacuum heat treatment furnaces. HTS 3801.10.50 applies to these semi-manufactures valued for oxidation resistance in vacuum environments.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
šŸ‡ØšŸ‡³ChinaFree+35.0%35%
šŸ‡²šŸ‡½MexicoFree+10.0%10%
šŸ‡ØšŸ‡¦CanadaFree+10.0%10%
šŸ‡©šŸ‡ŖGermanyFree+10.0%10%
šŸ‡ÆšŸ‡µJapanFree+10.0%10%

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.

8514.90Lower: 10% vs 35%

If parts of industrial electric furnaces

Finished vacuum furnace graphite components classify under furnace parts.

3824Lower: 15% vs 35%

If antioxidant-impregnated blocks

Chemically treated graphite for protection becomes a preparation.

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

• Provide density and thermal expansion data matching vacuum furnace requirements

• Segregate from coated versions which may classify under 3810

• Use HTS advisory rulings for large block imports exceeding standard sizes

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