Super Duplex 2507 Seamless Subsea Umbilical Tubing from China
Super duplex stainless 2507 seamless tubing for hydraulic control lines in subsea umbilicals. Under HTS 7304.59.80 as other alloy steel seamless tubes circular cross section. Exceptional resistance to seawater corrosion and high pressures.
Duty Rate — China → United States
75%
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
9903.91.0125%Effective with respect to entries on or after September 27, 2024, articles the product of China, as provided for in subdivision (b) of U.S. note 31 to this subchapter
9903.03.060%Articles of aluminum, of steel, or of copper or derivative aluminum or steel articles; passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; parts of passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; medium- and heavy-duty vehicles; parts of medium- and heavy-duty vehicles; wood products; and semiconductor articles, of any country, as provided in subdivision (aa)(v) of U.S. note 2 to this subchapter
Import Tips
• Super duplex PREN >40 must be documented via chemical analysis certificates
• Umbilical bundle packaging doesn't change tube classification if separable
• API specs documentation supports oilfield end-use determination