Heavy Wall Seamless Casing Pipe 11-inch OD 18mm WT from China

Seamless non-alloy steel casing pipe with 279.4 mm OD and 18 mm wall thickness for oil well protection. Precisely matches HTS 7304.39.0052 specifications for large OD seamless pipes. Provides structural integrity in drilling operations.

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

API 5CT drift and coupling test reports needed if premium connections present

Wall thickness gauged ultrasonically; under-gauge risks reclassification to thinner subheading

Declare as 'other' pipe, not OCTG if lacking API 5CT premium class designation