</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Silico-Manganese Steel Spring Wire from Mexico

High-carbon silico-manganese steel wire designed for compression and extension springs in automotive suspensions. It qualifies under HTS 7229.20.00.90 as other silico-manganese alloy steel wire, leveraging the alloy's fatigue resistance. Silicon content aids in heat treatment for optimal spring properties.

Duty Rate — Mexico → United States

50%

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
9903.05.900%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

Submit detailed alloy analysis confirming silicon-manganese specs per chapter notes; declare exact diameter to match statistical reporting; watch for cold-heading processes that shift to 7229.30