"9-5/8\" 43.5 from Japan
Seamless L80 alloy steel production casing, 9-5/8 inch diameter weighing 43.5 lb/ft, for intermediate hole sections in directional drilling. Offers sour service resistance (H2S environments) per NACE MR0175. Classified in 7304.29.41 as other seamless alloy casing for drilling applications.
Duty Rate — Japan → 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
• Submit NACE MR0175/ISO 15156 compliance certificates for sour service claims affecting valuation
• Document seamless manufacturing process via ultrasonic testing reports to prevent welded pipe disputes
• Specify exact alloy chemistry (Cr, Mo content) to confirm 'other alloy steel' status vs carbon steel