Cold-Rolled Monel 400 Alloy Seamless Tubing from China
Cold-rolled seamless tubes of Monel 400 copper-nickel alloy steel, circular cross-section under 12mm, for marine and chemical processing instrumentation. Under 7304.51.50.60 as other cold-formed alloy steel hollow profiles. Chapter wire definition applies to small dimension.
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
• Alloy certs must specify Monel 400 (N04400) composition; pitfall is classification as copper alloy under Chapter 74
• Seamless proof via ultrasonic testing reports prevents welded tube downgrade
• Declare corrosion resistance properties for chemical end-use compliance