TP347H Heat Exchanger Alloy Tube from Japan
Stabilized TP347H seamless alloy tube, 16-inch (406 mm max) OD for high-temp heat exchangers. Falls under HTS 7304.59.20.70 as other alloy steel tube for heat exchangers, precise OD range.
Duty Rate — Japan → 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
• Solution annealing certs required; measure OD post-processing; pitfall: exceeding 406.4 mm pushes to next size category