Super Duplex 2507 Drill Tubing 4-1/2 inch OD from Japan
High-alloy Super Duplex 2507 seamless stainless tubing (114.3 mm OD max, wall thickness >9.5 mm) for deepwater gas drilling. Classified in HTS 7304.24.60.30 as stainless steel tubing of a kind used in oil/gas drilling. Engineered for extreme pressure and H2S resistance.
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
• Certify PREN value >40 for super duplex to distinguish from standard stainless classifications
• Document end-use as drilling tubing via purchase orders or engineering specs