Nickel-Alloy Seamless Transfer Line Pipe 15.75-inch OD from China
Seamless pipe of Alloy 800H (Ni-Fe-Cr), 400 mm OD, 9.8 mm wall thickness, for ethylene cracking furnace transfer lines. HTS 7304.59.80.60 covers this 'other alloy steel' seamless tube in the 285.8-406.4 mm OD range with thin walls. Carburization resistance enables high-temperature hydrocarbon service.
Duty Rate — China → United States
35%
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
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
Import Tips
• Specify nickel >1.5% and chrome content in material test reports for alloy status
• Confirm no cold-work beyond permitted tolerances affecting OD measurement