ASTM A192 Boiler Tube Large Diameter from Mexico
ASTM A192 spec seamless carbon steel tube over 285.8 mm OD for boiler tubes in steam systems. Precisely matches 7304.39.0008 for non-alloy seamless pipes suitable for boilers with large circular cross-section.
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
• Certify min tensile strength per A192 to validate grade
• Separate from pressure tubing (7304.29) by application docs