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Hydraulic Cylinder Barrel Tube 34mm OD from China

Heavy-duty seamless carbon steel tube (34mm OD, 8mm wall) for hydraulic cylinder barrels in construction equipment. Classifies under HTS 7304.39.0020 as other nonalloy seamless tubes <38.1mm OD with superior yield strength for high pressure service. Honed and chrome plated interior.

Duty Rate — China → United States

35%

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

Specify chrome layer thickness (20-40μm) and base steel hardness

Confirm bore straightness (0.15mm/3m) and taper requirements

Barrel tube vs complete cylinder distinction critical for classification