339.7 mm OD 15.11 mm WT Alloy Casing from Japan
Seamless alloy steel casing precisely 339.7 mm (13-3/8 inch) OD with 15.11 mm wall thickness, API 5CT compliant for oil well lining. Classifies HTS 7304.29.4160: correct alloy type, OD range, minimum wall thickness met.
Duty Rate — Japan → 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
• Metric dimensions common internationally; provide both metric/imperial conversions
• Wall thickness exactly 15.11 mm clears 12.7 mm threshold - document precisely
• International mill certificates (EN 10204 3.1) preferred by CBP