ASTM A214 Welded Boiler Economizer Tube from Mexico
ASTM A214 standard welded carbon steel tube with ≥1.65 mm walls for economizer sections in boilers, recovering waste heat from flue gases. Nonalloy steel suits low-to-medium pressure service. HTS 7306.30.5010 for boiler-suitable welded tubes.
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
• Attach ASTM A214 test reports (tensile strength, flattening tests) for classification support
• Distinguish from finned tubes which may classify as heat exchanger parts
• Verify origin marking; Chinese-origin steel faces special duties