Cold-Drawn Alloy Superheater Tube TP347H from Japan
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 — Japan → United States
50%
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
9903.05.900%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
• 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