13-3/8 Inch 54.5 lb/ft 13Cr Stainless Casing from China
13-3/8 inch OD 13Cr (13% Chromium) stainless steel casing with BTC threaded couplings for sour gas service. Seamless construction provides superior corrosion resistance in H2S environments. Perfectly matches HTS 7304.24.30 for threaded stainless steel 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
• Include NACE MR0175/ISO 15156 certification for sour service compliance
• Specify exact stainless grade (13Cr-80, 13Cr-110) in commercial invoice to prevent undervaluation disputes
• Provide drift mandrel test certification confirming internal diameter tolerances