Heat-Resisting Alloy Steel Channel from China
U-channel from heat-resisting alloy steel (note g: low carbon, 4-10.5% Cr), for furnace frames and high-temp structures. HTS 7228.70.60.00 other alloy shapes. Chromium content provides oxidation resistance.
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
• Cite Chapter note (g) explicitly in entry summary for heat-resisting verification
• Confirm no tungsten/molybdenum excess that would reclassify as tool steel
• Document intended high-temperature use to support classification