Monel 400 Slab from China

Monel 400 slabs are high-nickel/copper alloy steel semi-finished products (Ni 63-70%) for valves and pumps in seawater applications. Falls under HTS 7224.90.00.05 as other high-nickel alloy steel primary forms. Slabs are thick flat-rolled precursors under 1.5m² cross-section.

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

Submit heat analysis showing copper/nickel balance for proper alloy verification

Label shipments clearly as 'primary forms' to avoid finished goods scrutiny

Check for universal mill plate specs that might trigger alternative classification