Super Duplex 2507 Drill Tubing 4-1/2 inch OD from Germany
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 — Germany → United States
50%
Rate breakdown
9903.82.0250%Except as provided for in headings 9903.82.14, 9903.85.67 and 9903.85.68, articles of aluminum, of steel or of copper and derivative aluminum or steel articles, as provided for in subdivisions (c)(i)–(v) of U.S. note 16 to this subchapter
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
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