Grade 80 Alloy Steel Square Tube 4x4x0.25in from China
High-strength Grade 80 alloy steel welded square tube, 4"x4"x1/4" (6.35mm wall), for lifting equipment and guardrails. HTS 7306.61.30.00 due to square cross-section, alloy steel, welded, and wall >4mm.
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
• Proof load test certs for Grade 80; imperial to metric conversion docs
• Check Section 232 tariffs on steel
• Pitfall: painted finishes not affecting classification