Cold-Rolled Feedwater Preheater Tube SA335 P22
Cold-rolled SA335 P22 seamless tube for low-pressure feedwater preheaters. 2.25Cr-Mo alloy balances cost and performance in utility service. Under 7304.51.50.45 for feedwater heaters.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If certain P-series carbon-moly alloys
Lower chromium content uses different alloy provisions.
If hot-finished P22 preheaters
Processing method (cold vs hot) splits the cold-drawn category.
If as auxiliary plant heater components
Air heater parts classification when function specified.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• SA335 vs SA213 distinction important; match spec to application
• Wall thickness critical for preheaters; declare accurately
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