P22 Grade Heat Exchanger Tube 110mm OD
Seamless P22 alloy steel tube (2.25Cr-1Mo), 110 mm OD, for high-temperature heat exchangers in refineries. Meets criteria for HTS 7304.59.20.45 with its size, seamless form, and refining/heat exchanger suitability.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If stainless heat exchanger types
Stainless seamless cold-drawn in separate subhead.
If other unspecified end uses
Lack of boiler/exchanger proof may default to general alloy tubes.
Not sure which classification is right?
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Import Tips & Compliance
• Include chemical analysis reports confirming P22 composition per ASTM A335
• Declare intended refining furnace or exchanger use explicitly
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