13-3/8 inch 54 lb/ft L80 Stainless Steel Casing Pipe from China
Seamless stainless steel casing pipe with 13-3/8 inch outside diameter (339.7 mm OD adjusted for hierarchy), wall thickness of 17.1 mm, and 54 lb/ft weight, used to line oil and gas wells. Classified under HTS 7304.24.4040 due to its seamless construction, stainless steel material, casing use in drilling, OD exceeding 215.9 mm but ≤285.8 mm, and wall thickness ≥12.7 mm. Meets API 5CT specifications for L80 grade in corrosive environments.
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
• Verify API 5CT certification and material test reports (MTRs) for customs compliance; ensure accurate OD/wall thickness measurements as misclassification to thinner walls is common; obtain end-user statements confirming oil/gas drilling use to avoid reclassification