317 Stainless Steel Chromatography Columns Tubing from China
Thin-walled welded 317 SS tubing for HPLC chromatography columns, featuring 2-3% Mo and high Ni, wall thickness <1.65 mm. Circular profile ensures smooth flow in analytical separations. 7306.40.1010 due to specific stainless weldment and composition limits.
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
• Include cleanroom certification if for pharma; affects FDA but not HTS directly
• Measure OD/ID precisely—capillary sizes (<3mm) scrutinized for wire vs tube debate