Argon Shielding Gas for Steel Fabrication from Mexico
Commercially pure argon in 300 cu ft cylinders for GMAW welding in heavy steel fabrication, creating inert shield against atmospheric contamination. HTS 2804.21.00.00 applies to this elemental rare gas in gaseous form, per Chapter 28 notes.
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
• Supplier certificates must specify argon content >99.9%; hazardous material manifest required for ocean transport
• Avoid blending declarations that trigger 3811 reclassification