17-4PH Stainless Alloy Seamless Pipe (Alloy Steel Classification) from Canada
Seamless 17-4PH precipitation-hardening alloy with wall >4 mm for aerospace and valve bodies. While high Cr, classified as alloy steel tube under HTS 7304.90.30.00 if not meeting stainless criteria in specific contexts.
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 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; patented pharmaceutical articles; and semiconductor articles, as provided in subdivision (f) of U.S. note 52 to this subchapter
Import Tips
• Confirm if Cr effectively ≥10.5% for stainless vs alloy debate
• PH heat treat certification required
• Customs rulings key for borderline alloys