AISI 4140 Hot-Rolled Alloy Steel Round Bar 200mm from China
AISI 4140 chromium-molybdenum alloy steel bar, hot-rolled with a diameter of 200 mm, used for heavy machinery shafts and axles. Classified under HTS 7228.30.80.45 as other bars and rods of alloy steel, not further worked than hot-rolled, with cross-section 152-228 mm. Meets alloy steel definition due to chromium and molybdenum content exceeding Chapter 72 note thresholds.
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
• Certify exact alloy composition (Cr, Mo content) matching AISI 4140 specs to avoid reclassification; measure diameter precisely as <152mm shifts to smaller size subheading; ensure mill test reports confirm hot-rolled only, no further working like polishing