Precision Welded Alloy Steel Tube for Heat Exchangers from Canada
High-precision welded tube from 4130 alloy steel, 16mm OD, 1.3mm wall thickness, used in compact heat exchanger coils for HVAC systems. Falls under 7306.50.10.00 for its welded, circular, thin-walled alloy steel construction. Enables efficient thermal transfer in space-constrained applications.
Duty Rate — Canada → United States
10%
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
Import Tips
• Supply hydrostatic test reports proving pressure capability for thin walls
• Declare exact alloy grade (e.g
• A335 P11) for accurate duty assessment
• Separate from finned assemblies to maintain tube classification