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
75%
Rate breakdown
9903.82.0250%Except as provided for in headings 9903.82.14, 9903.85.67 and 9903.85.68, articles of aluminum, of steel or of copper and derivative aluminum or steel articles, as provided for in subdivisions (c)(i)–(v) of U.S. note 16 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
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
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