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
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 already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Confirm alloy steel base (not pure aluminum, which would be chapter 76)
• Maintain temperature-controlled storage to preserve material properties