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Alloy TP347H Boiler Tube OD 32mm from China

Seamless TP347H stabilized stainless alloy tube, 32 mm OD, for thick-walled boiler applications. Niobium stabilization prevents carbide precipitation in superheater service. 7304.59.20.40 for diameter and boiler suitability despite stainless alloy.

Duty Rate — China → United States

35%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
9903.91.0125%Effective with respect to entries on or after September 27, 2024, articles the product of China, as provided for in subdivision (b) of U.S. note 31 to this subchapter

Import Tips

Stabilization element analysis required to distinguish from standard austenitics

Bundle with stainless steel banding only; avoid carbon steel contamination