TP347HFG Cold-Rolled Boiler Tube from Canada
Advanced TP347HFG stainless seamless cold-rolled tube for thick-walled water wall panels in ultra-supercritical boilers. FG grade indicates forged grain structure for superior creep strength. Classified under 7304.41.60.15 for boiler service.
Duty Rate — Canada → 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
• Provide grain size verification per ASTM A1016 for FG designation
• Include ultrasonic test reports confirming no seams/delaminations
• Specify exact cold reduction schedule to distinguish from hot extrusion