AISI 4140 Chromium-Molybdenum Alloy Steel Wire from China
AISI 4140 chromoly wire for machinery parts and fasteners, containing 0.4% carbon, 1% chromium, 0.2% molybdenum. HTS 7229.90.90.00 covers this as other alloy steel wire, not qualifying as tool steel per U.S. note (e). Supplied in drawn condition, 1-10mm diameter.
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
• Include carbon equivalence calculations if heat-treated; declare tensile strength for potential high-strength steel review; avoid bundling with carbon steel to prevent misclassification