Carbon Steel Butt Weld Elbow 4 Inch from Mexico
A 90-degree elbow fitting made of nonalloy steel with an inside diameter of 100 mm, designed for butt welding to join pipe sections in low-pressure piping systems. It falls under HTS 7307.93.30.40 as a butt welding fitting of iron or nonalloy steel with ID less than 360 mm, classified as 'other' due to its standard schedule 40 thickness. Commonly used in water and gas distribution networks.
Duty Rate — Mexico → United States
16.2%
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
• Verify inside diameter is under 360 mm and confirm nonalloy steel composition via mill test certificate to avoid misclassification
• Ensure fittings meet ASTM A234 WPB standards; provide welding procedure specs for customs valuation