18-5/8 Inch N80 Threaded Drilling Casing from China
Threaded nonalloy steel casing pipe with 18-5/8 inch OD, N80 grade, welded for use in stabilizing boreholes during oil and gas extraction. It matches HTS 7305.20.20.00 as a large-diameter (>406.4 mm), circular cross-section pipe that is threaded or coupled and designated for drilling casing.
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 end-user declarations specifying oil/gas drilling use to distinguish from other tubular goods
• Ensure customs review of coupling type (integral or threaded-and-coupled) for accurate subheading placement
• Avoid delays by pre-submitting API monogram or equivalent quality certifications