7304.29.41.80/18-5/8 inch 87.5 lb/ft C-110 Casing/Japan

18-5/8 inch 87.5 lb/ft C-110 Casing from Japan

Seamless C-110 alloy steel casing with 18-5/8 inch (473.1 mm) OD exceeding 406.4 mm, 87.5 lb/ft weight class, for high-yield oil well applications. HTS 7304.29.4180 covers this as other alloy seamless drill casing of large diameter. Used primarily in intermediate casing sections.

Duty Rate — Japan → United States

10%

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

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Import Tips

• Ensure invoice specifies 'seamless' and excludes any welded sections to maintain classification

• Batch test for hardness and chemistry; customs audits are common for alloy verification