"3-1/2\" 9.30 from China
Q125 grade ultra-high strength seamless tubing, 3-1/2" OD 9.30 lb/ft for H2S sour service environments. Wall 8.26 mm thickness for deep, high-pressure gas wells. Falls under 7304.29.61.15 as alloy steel drilling tubing within size limits.
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
• Submit NACE MR0175/ISO 15156 certification for sour service grades
• Measure wall precisely; fractions over 9.5 mm trigger different statistical note
• Include yield strength test certificates ≥125 ksi minimum