Welded Chromoly Steel Bike Frame Tube
4130 chromoly alloy steel welded tube, circular 1.5-inch OD, 0.120-inch wall (>1.65 mm converted), for high-end bicycle frames. Under HTS 7306.50.50 as other welded thick alloy steel tubes.
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More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If pre-formed into complete bicycle frame set
Bike frames assembled from tubes classify under Chapter 87 bicycles.
If seamless chromoly preferred for frames
Most bike tubes are seamless, thus 7304; welded rarer but possible.
If non-circular oval profile
Ovalized tubes may fall under other hollow profiles.
Not sure which classification is right?
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Import Tips & Compliance
• Butt profiles and miter cuts are acceptable if not fully fabricated into frames
• ISO 4210 strength testing docs support recreational vs industrial end-use claims
• Metric vs imperial sizing consistency avoids valuation disputes
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