16 inch 72.5 lb/ft Q125 Casing from China
Ultra-high strength Q125 grade seamless alloy steel casing, 16-inch OD (406.4 mm), 72.5 lb/ft, 16.7 mm wall, coupled and threaded for extreme drilling. Precisely matches HTS 7304.29.31.60 as other alloy steel seamless casing with OD not exceeding 406.4 mm and walls ≥12.7 mm. Ideal for ultra-deep, high-pressure oil reservoirs.
Duty Rate — China → United States
35%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 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
Import Tips
• Conduct pre-shipment verification of dimensions to ensure OD ≤406.4 mm and wall ≥12.7 mm for this exact subheading
• Include NACE MR0175 certification for sour service grades to facilitate customs and buyer acceptance