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
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
• 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