Cold-Drawn Alloy Superheater Tube TP347H from China
Cold-drawn welded TP347H stabilized alloy steel tube, circular with thick walls ≥1.65 mm, for high-temperature superheaters resisting weld decay. Used in utility boilers. 7306.50.5010 for cold-drawn superheater tubes.
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
• Stabilization certificate for columbium/tantalum content prevents reclassification
• Cold-drawn dimensional tolerances must match specs; hot-finished alternative exists
• Batch heat numbering traceability required for quality control