Cold-Drawn High-Pressure Boiler Header Tube TP304H from China
Cold-drawn TP304H seamless tube for high-pressure boiler headers and manifolds. Higher carbon for elevated temperature strength. Classified 7304.51.50.45 for boiler use.
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
• Higher carbon certs distinguish 304H from standard 304
• Header tubes often larger OD; confirm statistical size breaks