ER4043 Aluminum-Filler Alloy Welding Rod from Mexico
Wait, correction: Alloy steel (not aluminum) hot-rolled wire rod in coils for ER4043-equivalent filler metal production, statistical note 7 welding quality for aluminum alloy welding applications. No—actually for steel-to-aluminum joining applications with specific alloy mix. 7227.90.60.20 for alloy steel welding rods.
Duty Rate — Mexico → 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
• Confirm alloy steel base (not pure aluminum, which would be chapter 76)
• Maintain temperature-controlled storage to preserve material properties