18-5/8 Inch X56 Conductor Threaded Casing from China
18-5/8 inch X56 grade large-diameter conductor casing with integral threaded joints for offshore rig foundations. Welded non-alloy steel for heavy load-bearing in drilling. HTS 7306.29.10.90 for threaded oil/gas casing.
Duty Rate — China → United States
75%
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
9903.91.0125%Effective with respect to entries on or after September 27, 2024, articles the product of China, as provided for in subdivision (b) of U.S. note 31 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
• Conductor casing requires pile driving specs for structural verification
• Heavy wall thickness needs exact measurement certification
• Offshore destination may trigger additional safety certifications