4-1/2 Inch 13.5ppf L80-9CR Stainless Steel Casing Tube from China
Seamless 9CR stainless steel casing for intermediate drilling sections, 4-1/2 inch OD (114.3 mm), wall thickness ≥12.7 mm, threaded and coupled for well integrity. HTS 7304.24.30.20 applies due to stainless steel composition, seamless manufacture, drilling-specific design, and specified dimensions.
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
• Label with precise API specs and heat numbers for traceability; ensure customs review of chemical composition for stainless verification
• Pitfall: incorrect OD measurement leading to wrong subheading