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Platform Tensioner Cylinder Assembly from Japan

Hydraulic tensioner cylinders maintain constant tension on offshore drilling risers to compensate for vessel heave motion on floating platforms (HTS 8431.43.40.00). Integral to 8430.41/8430.49 boring machinery for deepwater operations. Classified as parts solely for offshore oil and gas production platforms.

Duty Rate — Japan → United States

25%

Rate breakdown

9903.82.0925%Except as provided for in headings 9903.82.16 and 9903.85.68, articles of copper and derivative aluminum and steel articles, as provided for in subdivisions (c)(vi)–(viii) of U.S. note 16 to this subchapter
9903.03.060%Articles of aluminum, of steel, or of copper or derivative aluminum or steel articles; passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; parts of passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; medium- and heavy-duty vehicles; parts of medium- and heavy-duty vehicles; wood products; and semiconductor articles, of any country, as provided in subdivision (aa)(v) of U.S. note 2 to this subchapter

Import Tips

Include stroke length and tension capacity specs (e.g

1M lbs/line); require DNV-GL or ABS type approval for marine use; avoid bulk hydraulic cylinder imports under 8412