Heavy Wall Seamless Boiler Tube 6-inch Schedule 160 from China
Seamless steel boiler tube with 152.4 mm outside diameter and 17.5 mm wall thickness, conforming to ASME SA192 specifications for high-pressure steam service. Used in industrial boilers and heat exchangers where structural integrity under pressure is critical. Classified under HTS 7304.39.0040 for its non-alloy steel seamless construction and specified dimensions.
Duty Rate — China → United States
35%
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
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
Import Tips
• Provide ASME certification and hydrostatic test reports demonstrating pressure containment capability
• Label pipes with material grade, dimensions, and heat number for traceability throughout supply chain
• Avoid bundling with fittings as sets, which could trigger classification as tube fittings under different headings