</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Cast Iron Culvert Pipe from China

Large-diameter cast iron pipe for stormwater culverts under roads or railways. Fits HTS 7303.00.00.90 as other hollow profiles of cast iron for civil engineering drainage. Known for withstanding heavy loads and soil pressure.

Duty Rate — China → United States

37.5%

Rate breakdown

9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China

Import Tips

Certify load-bearing specs (e.g

AASHTO standards) for infrastructure compliance

Declare wall thickness to confirm not steel under Chapter 73