8630 Alloy Steel Drill Pipe Riser from China
Seamless 8630 alloy steel riser section for oil drilling, 152 mm OD, 10.2 mm wall thickness. Classifies in HTS 7304.59.80.30 as other seamless alloy steel tubes meeting size criteria.
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
• API 5L or 5CT certification required for oilfield acceptance; include with entry
• Measure wall precisely; drilling specs often have tolerances pushing <12.7 mm limit