Cold Drawn Feedwater Heater Tube
Cold-drawn welded tube of nonalloy steel, wall thickness over 1.65 mm, for feedwater heaters in steam cycles to preheat boiler feedwater. Circular design optimizes heat transfer. Classifies in HTS 7306.30.5010 for feedwater heater use.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If not certified for listed pressure equipment
General thick-walled welded tubes without specific boiler/etc. suitability use 7306.19.
If specific statistical categories
Some cold-drawn tubes have separate statistical suffixes based on exact specs.
If imported solely as feedwater heater parts
May classify under heat exchanger parts heading if not general tubes.
Not sure which classification is right?
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Import Tips & Compliance
• Include heat transfer coefficients and pressure ratings in import docs for end-use proof
• Certify cold-drawn status; hot-finished versions may use different statistical breaks
• Ensure no internal fins/treatments that could trigger parts classification
Related Products under HTS 7306.30.50.10
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Cold-Drawn Welded Steel Superheater Tube
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