Alloy 625 Seamless Pipe from China
Seamless pipes of Inconel Alloy 625, high-nickel alloy steel (58% min nickel), for aerospace and marine exhaust systems requiring oxidation resistance. Under 7304.49.00.05 as seamless, circular cross-section stainless high-nickel steel.
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
• Use ASTM B444 certification for material specs; mismatches lead to duty adjustments
• Ship in bulk to avoid retail packaging misclassification as finished goods
• Pre-clear with customs on nickel assays—over 50% nickel confirms high-nickel status