Incoloy 800H Welded Feedwater Heater Tube from Japan
Welded circular tube of Incoloy 800H nickel-iron-chromium alloy steel, wall thickness 1.65 mm+, for feedwater heaters in thermal power stations. Provides creep resistance at elevated temperatures. HTS 7306.50.5010 applies to such welded alloy tubes for feedwater heaters.
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
• Nickel alloy content requires special HTS verification; may need Chapter 72 analysis
• Pre-shipment NDT reports (radiography/ultrasound) essential for weld quality assurance
• Specify U-bend configuration if applicable; straight lengths vs bends affect packaging