Heat-Resisting Alloy Steel Channel from Mexico
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 — Mexico → United States
10%
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
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