Curtis Marine Steam Turbine from Japan
A multi-stage impulse steam turbine designed specifically for marine propulsion in naval vessels, utilizing high-pressure steam to drive propellers. Classified under HTS 8406.10.10.00 as a steam turbine for marine propulsion, distinct from gas or other vapor turbines.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Verify turbine specifications confirm marine propulsion use via manufacturer certifications to avoid reclassification to general steam turbines
• Include detailed engineering drawings and steam flow diagrams in documentation for customs valuation and origin verification
• Check for ITAR restrictions if destined for military vessels, as marine steam turbines often involve defense applications