Cold-Rolled 9310 Gear-Quality Alloy Steel Plate from China
AISI 9310 carburizing grade alloy steel plate, cold-reduced 2.8 mm thick x 1100 mm wide for transmission gears. Falls under HTS 7225.50.80 as other cold-rolled alloy steel flats exceeding 600 mm width.
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
• Gear manufacturers require core hardness documentation post-carburizing; note in commercial invoice
• Ensure width measured across flat; camber or edge wave doesn't affect classification