Galvanized Steel Plumbing Riser with Coupling from China

2-inch (50.8 mm) OD galvanized welded steel riser pipe with threaded coupling for water supply lines in buildings. HTS 7306.30.50.27 applies to its galvanized, welded, circular nonalloy steel construction, wall >1.65 mm, OD 50.8-114.3 mm, imported coupled.

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

NSF/ANSI 61 certification often required for potable water use; include in import docs

Measure OD precisely—slight variations can shift between 7306.30.50.21 and .50.27

Galvanization must meet ASTM A53 standards to avoid reclassification