304 Stainless Steel Microbore Tubing 4mm OD from China
Ultra-precise cold-rolled seamless 304 stainless microbore tubing, 4mm OD, for HPLC systems and micro-fluidics. Falls under 7304.41.30 as seamless stainless steel tube of circular section, cold-formed, with external diameter well under 19mm. Provides superior surface finish for analytical applications.
Duty Rate — China → United States
17.5%
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
9903.88.157.5%Except as provided in headings 9903.88.39, 9903.88.42, 9903.88.44, 9903.88.47, 9903.88.49, 9903.88.51, 9903.88.53, 9903.88.55, 9903.88.57, 9903.88.65, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(r) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(s)
Import Tips
• Require surface finish documentation (Ra values) for pharma/analytical validation
• Confirm no internal welds via destructive testing certificates if requested
• Declare exact OD tolerance (±0.1mm typical) to prevent reclassification