9-5/8 inch 43.5 lb/ft SM25Cr-125 Stainless Casing from Canada
SM25Cr-125 super martensitic stainless steel casing (244.5 mm OD, 16.2 mm wall thickness) for ultra-HPHT gas wells, seamless API 5CT PSL2. Fits HTS 7304.24.4020 as stainless steel, <215.9 mm OD casing with ≥12.7 mm wall, providing 125 KSI collapse resistance. Used in geothermal and high CO2 environments.
Duty Rate — Canada → 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
• Super martensitic grades require special hardness and HIC (Hydrogen Induced Cracking) test reports for classification support
• Confirm no internal plastic coating, as coated pipes may shift to 7306.60 if for corrosion protection