Alloy 600 Seamless Heater Exchanger Tube from Japan
Seamless Inconel Alloy 600 tube for fire-tube heaters and heat exchangers in petrochemical service, offering oxidation resistance above 1000°C. Classified in HTS 7304.59.60.00 for heat-resisting seamless steel tubes of circular cross-section.
Duty Rate — Japan → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Require U-tube or straight tube certifications distinguishing from finned heat exchanger parts
• Confirm no internal threading that could classify as drill pipe or casing
• Undervaluing scrap content in alloys leads to penalties; declare true alloy value