Iron Flexible Gas Line with Flare Fittings from Mexico
Corrugated iron gas connector tubing with 1/2-inch flare fittings for residential appliance hookups. HTS 8307.10.30.00 covers this flexible iron tubing with fittings for natural gas distribution. CSST (corrugated stainless steel tubing) variant also applies but base is iron/steel.
Duty Rate — Mexico → United States
13.8%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include ANSI LC1/CSA 6.26 certification for gas piping to meet plumbing codes
• Document fitting connection type (flare vs NPT) to support 'with fittings' status
• Test for air permeability per standards to validate flexible tubing claims