Industrial Vacuum Tube Alloy Steel 6-inch from China
Large diameter welded alloy steel tube, 6-inch OD, thick wall ≥1.65 mm, for vacuum chamber construction and material handling. HTS 7306.50.50 for other welded circular alloy tubes.
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
• Flange compatibility specs (ANSI/VCR) noted but don't change tube heading
• Leak rate testing for vacuum integrity aids technical verification
• Separate from glass-lined versions; plain alloy stays Chapter 73