L80 Type 9 Cr13 Casing from China
Nonalloy steel L80 Type 9 casing with Cr13 martensitic composition for sour service environments in oil/gas drilling. Fits HTS 7306.29.60 as iron/nonalloy tubing despite chromium content under alloy thresholds. Used to isolate formations in corrosive wells.
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
• Certify NACE MR0175 compliance for sour service to support classification claims
• Detail upset vs non-upset ends in descriptions for accurate duty assessment