Incoloy 800H Heat Exchanger Seamless Tube
Seamless circular tube from Incoloy 800H nickel-iron-chromium alloy (UNS N08811), classified as stainless steel, for shell-and-tube heat exchangers in petrochemical plants. Provides oxidation resistance up to 1100°C, ideal for refining processes. Meets 7304.49.0045 criteria for heat exchanger suitability and seamless stainless steel form.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If Threaded or connected tube fittings classify under 7307 as pipe fittings rather than plain tubes.
If as complete heat exchanger machinery parts
Assembled heat exchangers fall under 8419 heading, not individual tubes.
If not seamless (welded hollow profiles)
Welded stainless hollow profiles shift to Chapter 72 heading 7228.
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Import Tips & Compliance
• Include chemical composition analysis certifying minimum chromium (19-23%) for stainless steel status
• Use engineering drawings showing U-bend configurations if applicable for heat exchanger end-use proof
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