4140 Alloy Steel Channel Section from China
A C-shaped structural channel made from 4140 chromium-molybdenum alloy steel, used in machinery frames and automotive chassis. Classified under HTS 7228.70.60.00 for other alloy steel shapes not cold-formed. The alloy elements enhance toughness and fatigue resistance for demanding applications.
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 chemical analysis reports proving >1.5% chromium or other alloying for 7228 classification
• Specify hot-rolled status; cold-formed channels go to 7216.92 or 7228.72
• Check for minimum width/thickness to avoid confusion with bars under 7228.30