TP347HFG Cold-Rolled Boiler Tube from China
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 — China → United States
17.5%
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
9903.88.157.5%Except as provided in headings 9903.88.39, 9903.88.42, 9903.88.44, 9903.88.47, 9903.88.49, 9903.88.51, 9903.88.53, 9903.88.55, 9903.88.57, 9903.88.65, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(r) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(s)
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