18-5/8 inch 87.5 ppf Duplex Stainless Steel Casing from China
Duplex stainless steel (e.g., 2205 grade) seamless casing for geothermal/oil hybrid wells, 18-5/8 inch OD, 87.5 lb/ft. Provides superior corrosion and stress corrosion cracking resistance. Perfect fit for HTS 7304.24.40.80 as large OD seamless stainless oil/gas casing.
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
• Specify PREN value (>40 for duplex) in material certificates to confirm stainless steel classification
• Include full PMI results showing dual phase microstructure
• For geothermal use, obtain end-user certificate to prevent reclassification as line pipe