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Cold-Finished RA85H Feedwater Heater Tube from Mexico

Seamless cold-finished RA85H heat-resisting steel tube for high-pressure feedwater heaters in fossil fuel plants. Features enhanced thermal conductivity and erosion resistance. Under 7304.51.50.15 for its cold-reduced form and specified end use in feedwater heaters.

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

Include EAC certificate for Russian/Eurasian imports; common for power plant tubes

Declare exact alloy grade; generic 'stainless' leads to 7304.41 audits