8630 Seamless Hydraulic Cylinder Tube from China
Seamless 8630 alloy steel tube for hydraulic cylinder barrels, 90 mm OD and 7.5 mm wall thickness. Classified in HTS 7304.59.80.20 for its circular seamless profile, alloy composition, and dimension specs. Precision-honed interior for piston sealing applications.
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
• Honed ID doesn't affect tube classification unless fully assembled as cylinder
• Confirm wall thickness measurement method (ultrasonic vs caliper) for customs verification
• Provide proof of alloy steel (carburizing grade) vs carbon steel confusion