9-5/8 Inch N80 Type 9Cr Oil Casing Pipe from Japan
A 9-5/8 inch outer diameter N80 grade casing pipe made of 9Cr alloy steel, welded and used to stabilize wellbores in corrosive oil drilling environments. Classified under HTS 7306.29.41.00 as other steel casing for oil or gas drilling, not having fittings. Its chromium content enhances corrosion resistance for intermediate casing applications.
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
• Declare exact alloy composition (e.g
• 9Cr) and API grade on commercial invoice; provide hydrostatic test certificates
• Pitfall: Failing to specify 'casing' vs 'tubing' can shift to 7306.29.42