</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

20 inch 94 ppf 13Cr Stainless Steel Conductor Casing from Japan

Seamless 13Cr martensitic stainless steel conductor casing for offshore oil platforms, 20-inch OD, 94 lb/ft weight. Designed to support surface formations in corrosive marine environments. Classifies under HTS 7304.24.40.80 for seamless stainless steel oil/gas casing >406.4mm OD.

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

Certify minimum 13% chromium content via wet chemistry analysis for stainless steel classification

Include DWV (Drift & Wall) inspection reports; critical for large OD conductor casing acceptance

Pre-clear with customs via binding ruling if using proprietary connections not listed in API 5CT