Nonalloy Steel Culvert Pipe 18-inch OD from China
Corrugated welded pipe of iron or nonalloy steel, 457 mm external diameter, used for stormwater drainage and culverts under roadways. Classified under HTS 7305.90.10.00 due to its circular cross-section over 406.4 mm and welded construction from nonalloy steel. Ideal for civil engineering infrastructure projects.
Duty Rate — China → United States
75%
Rate breakdown
9903.82.0250%Except as provided for in headings 9903.82.14, 9903.85.67 and 9903.85.68, articles of aluminum, of steel or of copper and derivative aluminum or steel articles, as provided for in subdivisions (c)(i)–(v) of U.S. note 16 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
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Include engineering specs confirming corrugated profile and diameter to support classification
• Label as 'culvert pipe' and provide nonalloy steel certs; avoid bulk packaging mix-ups with smaller pipes