Seamless Steel Air Compressor Lines
Thin-walled (<4 mm) seamless pipes of nonalloy steel for compressed air delivery in industrial compressors. HTS 7304.90.50.00 for seamless iron/nonalloy steel tubes.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If specific compressor parts
Tubes integral to compressor design classify as machinery parts.
If threaded or welded ends
Common air line configurations are welded with couplings.
If thicker walls for high-pressure air
Heavy-duty compressor lines often ≥4mm wall.
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Import Tips & Compliance
• Document pressure ratings below line pipe thresholds
• Ensure straight lengths; coiled may resemble hydraulic tubing
• Verify no copper plating, which changes material classification
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