X20CrMoWV11.1 Seamless Header Tube from Germany
Seamless tube of X20CrMoWV11.1 creep-resistant alloy steel for steam headers, 110 mm OD and 12 mm wall. HTS 7304.59.80.20 applies to this other alloy steel seamless tube within size limits. Used in supercritical power boilers.
Duty Rate — Germany → 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
• Creep-strength alloy requires detailed heat analysis certificate
• Header tube remains 7304 until welded into header assembly
• Distinguish from cast iron (excluded) and verify no cast features