2.5mm Valve Spring Alloy Steel Round Wire from China
Chrome-silicon alloy steel round wire 2.5mm for automotive valve springs. HTS 7229.90.50 other alloy steel round wire; high fatigue resistance from alloying below tool steel limits. Oil-tempered condition if basic drawn.
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
• Fatigue test data supports alloy spring wire classification
• Distinguish from chrome-vanadium tool spring wire per note (e)
• Supplier heat analysis certificate mandatory for alloy verification