DOT 3A Seamless Steel Gas Cylinder from Mexico
A seamless steel cylinder certified under DOT 3A specifications for compressed gases, marked accordingly and not overwrapped. It complies with 49 CFR 178.36 safety requirements for high-pressure gas storage and transport. Used for industrial gases like oxygen or nitrogen.
Duty Rate — Mexico → 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
• Verify DOT marking (e.g
• DOT 3A) and hydrostatic test dates on each cylinder before export
• Obtain manufacturer's certification of compliance with 49 CFR 178.36-178.68; retain for CBP review
• Avoid overwrapping to stay under this subheading; common pitfall is misclassifying wrapped cylinders