T9 Feedwater Heater Tube OD 35mm from Mexico
Seamless ASTM A213 T9 alloy steel tube, 35 mm OD, for feedwater heaters in thermal power stations. High chromium content resists oxidation in preheated water systems. 7304.59.20.40 applies to its small diameter and designated heater application.
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
• Conduct 100% PMI testing; customs increasingly verifies alloy composition
• Provide U-bend configuration details if applicable, but straight tubes only here