13Cr Martensitic Stainless Steel Drill Tubing 2-3/8 inch from China
Seamless 13Cr stainless steel tubing with 2-3/8 inch OD (60.3 mm) and wall thickness exceeding 9.5 mm, used in corrosive oil/gas wells. Falls under HTS 7304.24.60.30 as stainless steel tubing for drilling, specified for sour service environments. Provides enhanced corrosion resistance in harsh downhole conditions.
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
• Include NACE MR0175 compliance certification for sour service to support drilling tubing classification
• Measure and certify exact OD/wall specs; exceeding 114.3 mm shifts to 7304.24.70
• Avoid pitfall of bulk packaging declaration—specify individual tubing lengths for accurate duty assessment