Aluminum Bulkhead Union Fitting from China
Bulkhead union for passing tubes through tank walls with sealed connections. Under HTS 7609.00.00.00 as specialized pipe fitting. Used in marine fuel systems and pressure vessels.
Duty Rate — China → United States
80.7%
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
• Panel thickness ratings and gasket materials must be documented for function
• ATEX/IECEx certs for hazardous locations aid customs review
• Not structural bulkheads; purely fitting classification