321 Stainless Seamless Aerospace Tubing 1-inch from China
Seamless 321 stainless tubing, 1-inch OD, AMS 5645 spec for aircraft hydraulic lines, circular cross section. HTS 7304.49.00 as other seamless stainless not specialized. Stabilized for weldable airframe use.
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
• AMS material spec and FAA form 8130 if airworthy, but raw tube stays 7304
• Non-destructive testing (NDT) reports standard for aerospace