Alloy Steel Heat Exchanger Tube 220mm OD
Seamless circular tube of other alloy steel for heat exchangers, featuring 220 mm OD and 8 mm wall thickness. Classified in 7304.59.80.45 for its seamless form, alloy composition, OD between 190.5-285.8 mm, and wall under 12.7 mm. Ideal for petrochemical processing equipment.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If wall thickness 12.7 mm or greater
Thicker-walled versions of same OD range classify under 7304.59.10 statistical note.
If fitted with threaded ends or couplings
Tube fittings or assemblies shift to 7307 for pipe/tube fittings of alloy steel.
If for cold-drawn vs hot-finished
Cold-drawn seamless tubes may fall under 7304.29 if not precision or other specified.
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Import Tips & Compliance
• Include heat treatment records (e.g
• normalized or quenched) as alloy tubes often require specific processing proof
• Label with exact dimensions and steel grade (e.g
• ASTM A335 P11) for customs verification
• Watch for reclassification if used in pressure piping exceeding certain thresholds
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