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

Marine Super-Heated Water Boiler MSB-400 from Japan

Super-heated water boiler engineered for shipboard auxiliary heating systems, providing high-temperature water for deck machinery. Classified in HTS 8402.20.00.00 as it super-heats water without steam generation, tailored for marine environments with saltwater resistance. Meets Lloyd's Register standards.

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%

Import Tips

Include marine classification society approvals (e.g

DNV, ABS) in shipping documents

Declare corrosion-resistant materials to qualify for potential duty reductions

Ensure vibration/shock test reports for maritime customs verification