UPDATE: Section 122 tariff (10%) in effect since Feb 24 — expires ~July 24 (~126 days). 24 states challenge in court (March 5). USTR launches new Section 301 probes (March 11). EU trade deal vote imminent. Full analysis →

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US Tariffs on Ores, Slag, Ash from Japan — 10% (2026)

Tariff Rate Breakdown

10%

Section 122 Base

10%

Total Effective Rate

Importers sourcing ores, slag, ash from Japan face specific tariff considerations, with approximately $218B in total bilateral trade.

Following the Supreme Court's landmark February 20, 2026 decision striking down IEEPA tariffs, imports of ores, slag, ash from Japan 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.

Ores, Slag, Ash (HTS Chapter 26) generally enter duty-free at the MFN level, with the Section 122 tariff as the primary duty. No additional Section 232 or Section 301 surcharges apply to most products in this category from Japan.

Key products in HTS Chapter 26 imported from Japan include Iron ore, Copper ore, Bauxite (aluminum ore), Lead ore, Zinc ore, and Manganese ore.

Common Products in Chapter 26

Iron oreCopper oreBauxite (aluminum ore)Lead oreZinc oreManganese oreChromium oreSlag and ash

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Frequently Asked Questions

What is the current tariff rate on ores, slag, ash from Japan?

As of March 2026, ores, slag, ash from Japan face a base tariff of 10% under Section 122. The effective rate can be up to 10%.

Will the tariff on ores, slag, ash from Japan change?

The Section 122 tariff of 10% expires approximately July 24, 2026, unless Congress extends it. Monitor legislative developments for updates.

How did the Supreme Court ruling affect ores, slag, ash imports from Japan?

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.