Seamless Steel Boiler Tube OD 250mm WT 10mm from Mexico
A seamless tube of non-alloy steel with circular cross-section, outside diameter 250mm and wall thickness 10mm, used in high-pressure boilers for heat transfer. It falls under HTS 7304.39.0048 due to its seamless construction, non-alloy steel material, OD between 190.5-285.8mm, and wall thickness under 12.7mm. These tubes are precision-engineered for structural integrity in industrial heating systems.
Duty Rate — Mexico → 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
• Verify seamless manufacturing via mill test certificates to avoid misclassification as welded under 7306
• Include hydrostatic test reports showing pressure resistance for boiler end-use compliance
• Label with exact OD, wall thickness, and steel grade to match statistical suffix requirements