ASTM A213 T22 Seamless Alloy Steel Heat-Exchanger Tube from China
Seamless tube of 2.25% chromium-1% molybdenum alloy steel (ASTM A213 T22) for heat exchangers, featuring wall thickness of 4 mm or more. Classified under HTS 7304.90.30.00 due to its seamless construction, alloy composition, and thick walls for high-temperature fluid transfer.
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 heat treatment records (normalized and tempered) to confirm compliance with ASTM specs
• Measure and certify exact wall thickness to avoid reclassification to thinner-wall subheadings