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Seamless Carbon Steel Boiler Tube 60mm OD from China

Seamless nonalloy steel tube for boiler heat exchangers, 60mm OD and 3.5mm wall thickness. Meets HTS 7304.39.0024 criteria: seamless, circular cross-section, OD 38.1-114.3mm, wall <6.4mm, iron/nonalloy steel. Designed for moderate pressure steam/water service.

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

Provide ASTM A179/A192 material specs to confirm boiler tube suitability

Wall thickness tolerance (+/-12.5%) must average <6.4mm for this subheading

Distinguish from line pipe (7304.29) by end-use documentation