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
10%
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
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