9-5/8 inch 53.5# Q-125 Casing Pipe from China
Seamless Q-125 high-strength alloy steel casing with 9-5/8 inch OD (244.5 mm), 53.5 lb/ft nominal weight ensuring wall thickness ≥12.7 mm, equipped with premium EUE threaded couplings. Applied in deep high-pressure gas wells for structural support. Matches HTS 7304.29.31.40 precisely for heavy-wall, coupled alloy steel oil/gas casing in the defined size range.
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 hydrotest and collapse test results from MTC to prove Q-125 grade compliance; declare exact coupling type (EUE vs STC)
• Avoid classifying based on labeled weight alone—measure actual wall thickness
• Check for special quotas on high-strength alloy imports