DOT 3HT Hydrogen Fuel Cylinder from Japan
Heat-treated seamless steel cylinder marked DOT 3HT for hydrogen fuel cells or storage, no overwrap. Designed for ultra-high pressures per 49 CFR. Used in automotive and energy applications.
Duty Rate — Japan → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Hydrogen-specific hazmat declarations required even if empty
• Track alloy composition (e.g
• 4130 steel) for material verification
• Exemptions (DOT-E) need full FAA/DOT approval copies