Alloy 20 Cold-Rolled Seamless Tube from China
Alloy 20 (Carpenter 20) high-nickel (~32% nickel) cold-rolled seamless tubes for sulfuric acid handling in chemical plants. Seamless, circular cross-section cold-reduced pipes under HTS 7304.51.50.05 for high-nickel alloy steel. Resist pitting and crevice corrosion.
Duty Rate — China → United States
35%
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
9903.91.0125%Effective with respect to entries on or after September 27, 2024, articles the product of China, as provided for in subdivision (b) of U.S. note 31 to this subchapter
Import Tips
• UNS N08020 certs essential; borderline nickel content needs lab verification
• Avoid bulk packing that mimics Chapter 72 blooms