What tariff does the U.S. charge on steel flat-rolled products from South Korea?

In 2025, steel flat-rolled products imported from South Korea paid an effective tariff rate of 27.33%, calculated as duties collected divided by customs value, which captures Section 301/232 overlays and program use that statutory rates miss.

How much steel flat-rolled products does the U.S. import from South Korea?

The U.S. imported $912.2M of steel flat-rolled products from South Korea in 2025, 13.8% of the tracked steel flat-rolled products it imports, ranking South Korea the 2nd-largest named source. The chart above traces the full history.

What does freight add on steel flat-rolled products from South Korea?

Cost, insurance, and freight ran 8.96% of customs value on steel flat-rolled products from South Korea in 2025. That stacks on the duty, so the landed cost runs higher than the effective rate alone implies.

Tariff Monitor

U.S. Imports of Steel flat-rolled products From South Korea

In 2025, U.S. importers brought in $912.2M of steel flat-rolled products from South Korea, paying an effective tariff rate of 27.33%. That makes South Korea the 2nd-largest named source of this family, at 13.8% of tracked steel flat-rolled products imports. The family-wide effective rate is 23.88%, so South Korea's goods pay 3.4 points more than average. Freight and insurance add 8.96% on top of customs value. Tracked-family figures are a floor on total bilateral trade, from USITC DataWeb data.

The current reading

Import value: $912.2M of steel flat-rolled products from South Korea in 2025, customs value.
Effective tariff rate: 27.33%, calculated duties ÷ customs value, 3.4 points above the 23.88% family average.
Share of the family: 13.8%, #2 named source of steel flat-rolled products.
Freight and insurance: 8.96% of customs value, on top of the duty.
History depth: 12 years of annual named-source boards.

Frequently asked questions

What tariff does the U.S. charge on steel flat-rolled products from South Korea? In 2025, steel flat-rolled products imported from South Korea paid an effective tariff rate of 27.33%, calculated as duties collected divided by customs value, which captures Section 301/232 overlays and program use that statutory rates miss.
How much steel flat-rolled products does the U.S. import from South Korea? The U.S. imported $912.2M of steel flat-rolled products from South Korea in 2025, 13.8% of the tracked steel flat-rolled products it imports, ranking South Korea the 2nd-largest named source. The chart above traces the full history.
What does freight add on steel flat-rolled products from South Korea? Cost, insurance, and freight ran 8.96% of customs value on steel flat-rolled products from South Korea in 2025. That stacks on the duty, so the landed cost runs higher than the effective rate alone implies.

About this data

Reference statistics derived from USITC published data. Not a customs ruling; verify rates with a licensed customs broker before relying on them.

Last reviewed 2026-05-12.