13CR Stainless Steel 14 inch OD Casing for Sour Gas Wells from Germany
Seamless 13Cr martensitic stainless steel casing with 14-inch (355.6 mm) OD and minimum 1/2 inch (12.7 mm) wall thickness for H2S-resistant sour service. Designed for high-pressure oil/gas production in corrosive formations. Classified under 7304.24.40.60 for stainless steel drill casing specs.
Duty Rate — Germany → United States
10%
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
Import Tips
• Include NACE MR0175/ISO 15156 certification proving H2S resistance for sour service applications
• Wall thickness must be drift-tested and documented; customs may require ultrasonic thickness verification
• Specify exact grade (13Cr, Super 13Cr) in commercial invoice to match HTS material requirements