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4 inch OD Alloy Steel Oil Well Casing Pipe from Mexico

Seamless alloy steel casing pipe with 4 inch (101.6 mm) outside diameter and 9.2 mm wall thickness, used to line oil and gas wells during drilling. Premium grade P110 alloy steel for high-pressure environments. Classified in 7304.23.6030 for seamless alloy steel OD ≤168.3 mm, wall ≤9.5 mm.

Duty Rate — Mexico → United States

50%

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
9903.05.900%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

Provide ITP (Inspection Test Plan) and third-party inspection reports (SGS/BV)

Specify if BTC, STC, or premium connections; connection type affects valuation

Avoid classifying as line pipe (7304.90) - must prove drilling well use via end user declaration

4 inch OD Alloy Steel Oil Well Casing Pipe from Mexico — Import Duty Rate | HTS 7304.23.60.30