321 Stainless Steel Seamless Instrumentation Tubing 1/2-inch from China
Seamless 321 stabilized stainless tubing, 1/2-inch OD for instrumentation and control systems in aerospace. HTS 7304.49.0060 covers other seamless stainless circular tubes beyond precision mechanical. Exceeds 16 mm wire limit in some dimensions.
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 5643 material spec certs needed for aerospace qualification
• Confirm OD tolerance <0.005 inch via gauge reports for instrumentation grade