11-3/4 Inch Q125 Premium Casing from China
Wait, 11.75 inch = 298.45 mm OD, perfect range. Seamless Q125 high-strength alloy steel casing with 14.2 mm wall thickness for ultra-deep gas wells. HTS 7304.29.4160 due to seamless alloy steel construction, 285.8-406.4 mm OD, thick wall specs.
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
• Q125 requires special high-strength certification; include collapse and burst test data
• Confirm alloy exceeds stainless thresholds but document exact chemistry for CBP review