ASTM A500 Grade B Alloy Square Tube 200x200x10mm from Japan
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 — Japan → United States
10%
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
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