</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Everdur Silicon Bronze C87300 Ingot from Japan

C87300 Everdur 94% copper, 4% silicon, 1% manganese unwrought. HTS 7403.29.01 other copper alloy. Welding and marine castings.

Duty Rate — Japan → United States

1%

Rate breakdown

9903.05.860%Universal product exemption (U.S. note 52(b))

Import Tips

Weldability test certificates

Silicon diffusion control

Marine corrosion specs