Welding Shielding Gas CO2 from Mexico
Pure carbon dioxide used as shielding gas in MIG/MAG welding to protect weld pools from atmospheric contamination. Classified under HTS 2811.21.00.00 as chemically defined carbon dioxide per Chapter 28 subheading note.
Duty Rate — Mexico → United States
13.7%
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
• Certify to AWS A5.32 standards; declare shielding gas application
• Use high-pressure cylinders rated for 99.9%+ purity