Marine 5086 Aluminum Alloy Pipe from China

5086-H116 aluminum alloy pipe for seawater piping systems and boat hull thru-hulls. HTS 7608.20.00 for marine-grade alloy pipes with magnesium alloying for corrosion resistance. Meets MIL-DTL-15024 standards for naval applications.

Duty Rate — China → United States

40.7%

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
9903.91.0125%Effective with respect to entries on or after September 27, 2024, articles the product of China, as provided for in subdivision (b) of U.S. note 31 to this subchapter

Import Tips

Marine certification (Lloyds/DNV) mandatory; include classification society docs

H116 temper specifically for welded marine fabrication; declare exact temper

Galvanic corrosion prevention requires compatible fastener declarations