2.5mm Valve Spring Alloy Steel Round Wire from Mexico
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 — Mexico → United States
10%
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
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