12-1/4 inch Super Duplex Casing from Canada
Seamless super duplex 2507 stainless casing with 12.25 inch OD and 11.2 mm wall thickness for extreme corrosion environments in oil/gas drilling. Classified in HTS 7304.24.4050 for stainless steel seamless casing within size limits.
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
• Include chemical composition analysis proving super duplex stainless steel alloy content
• Declare exact wall thickness measurement method (ultrasonic testing preferred)
• Separate threaded vs plain end casing; threading may affect accessory classification