Boiler Economizer Tube 230mm OD BS 3059 Grade 360 from Mexico
Seamless carbon steel tube to BS 3059 Grade 360, 230 mm OD, for economizer sections preheating boiler feedwater. Enhances efficiency in recovery boilers. HTS 7304.39.0006 for iron/non-alloy seamless pipes suitable for boilers, OD range match.
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
• BSI certification stamps required for spec compliance
• Specify economizer end-use in commercial invoice
• Prevent fin-tube assembly import to stay under tubes heading