Nickel-Alloy Seamless Transfer Line Pipe 15.75-inch OD from Canada
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 — Canada → 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
• Specify nickel >1.5% and chrome content in material test reports for alloy status
• Confirm no cold-work beyond permitted tolerances affecting OD measurement