Cold-Rolled Invar 36 Alloy Steel Foil from China
Low-expansion Invar 36 (Fe-36%Ni) alloy steel foil, cold-rolled to thickness not exceeding 0.25 mm and width under 300 mm for electronics applications. Falls under HTS 7226.92.70.50 as other cold-rolled alloy steel flat-rolled products.
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
• Critical thermal expansion specs must match invoice; mismatch leads to reclassification disputes
• Foil must arrive in protective packaging; rust/discoloration gets no duty allowance per Chapter 72 note
• Verify no heat treatment post-rolling; annealing would constitute further working