</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →
7801.99.90.30/Lead-Bismuth Eutectic Alloy for Heat Pipes/Japan

Lead-Bismuth Eutectic Alloy for Heat Pipes from Japan

Unwrought eutectic mixture of lead and bismuth with low melting point for nuclear reactor heat transfer systems. Classifies under HTS 7801.99.90.30 as lead alloy where lead predominates under 99%. Used in advanced cooling applications.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Calculate with your customs valueVerify classification with AI

Import Tips

• Secure NRC pre-approval for nuclear-related materials

• Provide melting point analysis confirming eutectic composition

• Use specialized low-temperature transport containers

Lead-Bismuth Eutectic Alloy for Heat Pipes from Japan — Import Duty Rate | HTS 7801.99.90.30