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
75%
Rate breakdown
9903.82.0250%Except as provided for in headings 9903.82.14, 9903.85.67 and 9903.85.68, articles of aluminum, of steel or of copper and derivative aluminum or steel articles, as provided for in subdivisions (c)(i)–(v) of U.S. note 16 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
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
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