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
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
• 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