ASTM A500 Grade B Alloy Square Tube 200x200x10mm from Canada
Heavy-walled welded square tube per ASTM A500 Grade B alloy steel standard, 200mm sides with 10mm thickness for offshore platforms and bridges. HTS 7306.61.30.00 applies to its square cross-section, welded construction, and alloy steel material with thick walls.
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
• Include ASTM certification and yield strength data proving structural quality; ensure no internal coatings that could imply different use
• Common error: classifying long lengths over 6m as bars under 7304
• Pitfall: verify no circular ends affecting cross-section