321 Stainless Steel Heat Exchanger Tube Wire from China
Stabilized 321 stainless wire, 0.028-inch, for condenser tube weaving and support grids. Classified HTS 7223.00.90.00 other stainless wire, titanium-alloyed but not meeting tool/heat-resist notes exactly.
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
• Ti/Nb stabilization cert differentiates from 304; critical for tube sheet applications
• Avoid polymeric coatings for condenser use; coated becomes 'further worked'
• Coil ID/OD specs prevent rod misclassification in customs exam