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US Tariffs on Iron and Steel from Mexico — 60% (2026)

Tariff Rate Breakdown

10%

Section 122 Base

50%

Section 232

60%

Total Effective Rate

USMCA — qualifying goods may enter duty-free

Mexico is a significant source of iron and steel imports into the United States, with approximately $779B in total bilateral trade.

Following the Supreme Court's landmark February 20, 2026 decision striking down IEEPA tariffs, imports of iron and steel from Mexico are now subject to a 10% tariff under Section 122 of the Trade Act of 1974, effective February 24, 2026.

This 10% rate has a built-in expiration: Section 122 limits presidential tariff authority to 150 days, meaning the tariff expires approximately July 24, 2026 without congressional renewal.

Products in this chapter may be subject to Section 232 tariffs of 50% on steel and aluminum items, which were doubled in June 2025 and remain unaffected by the SCOTUS ruling. When applicable, the combined rate reaches 60%.

Mexico is party to the USMCA, which may provide preferential or duty-free access for qualifying iron and steel. Importers should verify rules of origin requirements to take advantage of preferential rates.

Key products in HTS Chapter 72 imported from Mexico include Hot-rolled steel coils, Cold-rolled steel sheets, Steel rebar, Stainless steel, Steel wire, and Steel pipe and tube.

Common Products in Chapter 72

Hot-rolled steel coilsCold-rolled steel sheetsSteel rebarStainless steelSteel wireSteel pipe and tubeSteel billetsGalvanized steel

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Frequently Asked Questions

What is the current tariff rate on iron and steel from Mexico?

As of March 2026, iron and steel from Mexico face a base tariff of 10% under Section 122. Section 232 tariffs of 50% apply to steel and aluminum products. The effective rate can be up to 60%.

Will the tariff on iron and steel from Mexico change?

The Section 122 tariff of 10% expires approximately July 24, 2026, unless Congress extends it. Section 232 tariffs on metals also have no set expiration. Monitor legislative developments for updates.

How did the Supreme Court ruling affect iron and steel imports from Mexico?

The Supreme Court's February 20, 2026 ruling struck down IEEPA reciprocal tariffs as exceeding presidential authority. The president signed a replacement 10% tariff under Section 122 the same day, effective February 24. Qualifying goods under USMCA may still enter duty-free.