Small Diameter Boiler Economizer Tube OD 16mm from China
Ultra-small OD 16mm seamless carbon steel tube for economizer sections in industrial boilers, recovering waste heat. HTS 7304.39.0002 due to nonalloy seamless circular design suitable for boilers, maximizing surface area in compact installations. Thin walls for optimal heat recovery efficiency.
Duty Rate — China → United States
75%
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
9903.91.0125%Effective with respect to entries on or after September 27, 2024, articles the product of China, as provided for in subdivision (b) of U.S. note 31 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
• Specify economizer positioning in boiler documentation to meet 'boilers' suitability criterion
• Use protective caps on ends during shipping to preserve seamless ends for finning