DOT 3AAX Argon Welding Cylinder
Extra-high-pressure seamless steel cylinder marked DOT 3AAX for shielding gases like argon in MIG/TIG welding, not overwrapped. Adheres to DOT exemption or CFR standards for industrial fabrication. Capacity for 250+ cubic feet.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If constructed with welds
Welded designs (DOT 4 series) differentiate from fully seamless construction.
If argon gas pre-filled
Imported filled with compressed gas classifies as the chemical substance, not container.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Submit exemption number details if DOT-E marked; CBP may request exemption documentation
• Use nitrogen purging during shipping to prevent contamination in gas residuals
Related Products under HTS 7311.00.00.30
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