P9 Chromium-Moly Boiler Tube
SA-335 P9 seamless tube (9% Cr, 1% Mo), 12.75-inch (324 mm) OD for boiler pressure parts. HTS 7304.59.20.70 due to alloy steel, seamless construction, boiler application, and diameter specification.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If low-alloy bordering on carbon steel
If alloy content too low (e.g., <0.3% total), it may classify as carbon steel tubes for boilers in 7304.19.
Not sure which classification is right?
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Import Tips & Compliance
• Impact test results for low-temp applications; ensure customs sees 'seamless' vs. 'welded'; batch traceability via heat numbers essential
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