Cupro-Nickel Hollow Profile Tube for Offshore Oil Platform Risers from Canada
Specialty hollow profile from 90/10 cupro-nickel for flexible riser components in offshore oil platforms, providing corrosion resistance under high pressure. HTS 7407.29.16.10 due to copper-nickel base alloy and non-circular hollow profile design for structural reinforcement. Supplied in controlled lengths for welding.
Duty Rate — Canada → United States
13%
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
• Oil & gas importers must provide API/ISO material certificates confirming cupro-nickel UNS C70600 composition
• Clearly mark as 'structural profiles' vs 'pressure tubing'; include stress analysis if applicable