Official data Source: US Census Bureau international trade data Data through August 2026 · updated monthly

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Slag, dross (other than granulated slag), scalings and other waste from the manufacture of iron or steel

In short

  • The US imported $10.6M of this product over the 12 months to August 2026, up 21% on the year before.
  • Korea, South is the largest supplier, with 45.7% of US imports; Canada is next, with 28.0%.
  • Duty paid averaged 3.3% of the value of imports in August 2026, up 2.9 points on a year earlier.
  • Japan is gaining share: 9.6% over the last 12 months, up from 0.0%.
  • US exports were $39.2M over the last 12 months; the largest market is Canada, with 71.5%.

US imports, Aug 2026

$435K

↓ −62% vs Aug 2025

Last 12 months

$10.6M

↑ +21% vs the 12 months before

Average duty paid

3.3%

↑ +2.9 pts vs Aug 2025

Top supplier

Korea, South

45.7% of US imports

US imports by month

The last 13 months, so the same month a year ago is on the left. August 2026 is highlighted.

Aug2025SepOctNovDecJan2026FebMarAprMayJunJulAug
Show the numbers
MonthUS imports
August 2025$1.1M
September 2025$653K
October 2025$1.4M
November 2025$1.1M
December 2025$548K
January 2026$1.2M
February 2026$1.2M
March 2026$771K
April 2026$454K
May 2026$829K
June 2026$1.3M
July 2026$798K
August 2026$435K

What changed

  • US imports were $435K in August 2026, down 46% from July 2026 and down 62% from August 2025.
  • Over the 12 months to August 2026 they totalled $10.6M, up 21% on the 12 months before.
  • Biggest moves in market share since July 2026: Korea, South up from 0.0% to 45.7%, Canada down from 75.7% to 28.0%.
  • Duty paid by the main suppliers held within 2 points of July 2026.

US trade by year

US imports were $10.6M in the 12 months to Aug 2026, up 170% on the 12 months to Aug 2017. US exports were $39.2M, up 944%.

2017201820192020202120222023202420252026
Show the numbers
PeriodUS imports
12 months to Aug 2017$3.9M
12 months to Aug 2018$6.3M
12 months to Aug 2019$6.3M
12 months to Aug 2020$12.5M
12 months to Aug 2021$10.5M
12 months to Aug 2022$8.0M
12 months to Aug 2023$14.2M
12 months to Aug 2024$12.8M
12 months to Aug 2025$8.7M
12 months to Aug 2026$10.6M
  • Canada
  • Mexico
  • Japan
  • Korea, South
  • All countries
Share of US imports
Show the numbers
PeriodCanadaMexicoJapanKorea, South
12 months to Aug 201782.4%15.9%0.0%0.0%
12 months to Aug 201878.7%8.0%0.2%0.0%
12 months to Aug 201955.8%27.0%2.4%0.1%
12 months to Aug 202059.1%7.9%0.0%0.0%
12 months to Aug 202188.9%4.8%0.2%0.0%
12 months to Aug 202272.2%26.5%0.4%0.0%
12 months to Aug 202354.7%43.5%0.0%0.0%
12 months to Aug 202461.0%24.9%0.0%0.0%
12 months to Aug 202559.7%33.4%0.0%0.0%
12 months to Aug 202658.7%26.7%9.6%3.9%
Duty paid, % of value
Show the numbers
PeriodCanadaMexicoJapanKorea, SouthAll countries
12 months to Aug 20170.0%0.0%n/an/a0.0%
12 months to Aug 20180.0%0.0%0.0%n/a0.0%
12 months to Aug 20190.0%0.0%0.0%0.0%0.0%
12 months to Aug 20200.0%0.0%n/an/a0.0%
12 months to Aug 20210.0%0.0%0.0%n/a0.0%
12 months to Aug 20220.0%0.0%0.0%n/a0.0%
12 months to Aug 20230.0%0.0%0.0%n/a0.0%
12 months to Aug 20240.0%0.0%n/an/a0.1%
12 months to Aug 20250.2%0.0%n/an/a0.1%
12 months to Aug 20260.2%0.0%13.2%0.0%1.5%
PeriodUS importsDuty paidUS exports
12 months to Aug 2026$10.6M+21%1.5%+1.4 pts$39.2M+168%
12 months to Aug 2025$8.7M−32%0.1%0.0 pts$14.6M+56%
12 months to Aug 2024$12.8M−10%0.1%+0.1 pts$9.3M−64%
12 months to Aug 2023$14.2M+77%0.0%0.0 pts$25.7M+11%
12 months to Aug 2022$8.0M−24%0.0%0.0 pts$23.1M+19%
12 months to Aug 2021$10.5M−16%0.0%0.0 pts$19.4M+102%
12 months to Aug 2020$12.5M+99%0.0%0.0 pts$9.6M+1.5%
12 months to Aug 2019$6.3M−0.1%0.0%0.0 pts$9.5M+68%
12 months to Aug 2018$6.3M+60%0.0%0.0 pts$5.7M+51%
12 months to Aug 2017$3.9M0.0%$3.8M

Who supplies the US

August 2026. Small figures under each value are the change from August 2025. Average prices aren't shown because this product's lines are counted in different units.

CountryUS importsShareAverage priceDuty paidLast 13 months
Korea, South$199K45.7%newn/a0.0%
Canada$122K28.0%−64.0 ptsn/a0.0%−0.3 pts
Turkey$114K26.2%newn/a12.5%
All countries$435K100.0%n/a3.3%+2.9 pts

The 3 largest suppliers had 94.9% of US imports over the last 12 months.

How the market is shifting

Japan gained the most share: 9.6% of US imports over the last 12 months, up from 0.0% in the 12 months before. Mexico lost the most: 26.7%, down from 33.4%. The charts show September 2024 to August 2026 for the 4 largest suppliers over the last 12 months.

  • Canada
  • Mexico
  • Japan
  • Korea, South
  • All countries
Share of US imports
Show the numbers
MonthCanadaMexicoJapanKorea, South
September 202480.4%19.6%0.0%0.0%
October 202443.6%0.0%0.0%0.0%
November 202486.9%3.3%0.0%0.0%
December 202495.3%4.7%0.0%0.0%
January 2025100.0%0.0%0.0%0.0%
February 202510.2%89.8%0.0%0.0%
March 202513.5%84.6%0.0%0.0%
April 202598.5%1.2%0.0%0.0%
May 202531.7%66.8%0.0%0.0%
June 202595.6%4.4%0.0%0.0%
July 202595.7%4.3%0.0%0.0%
August 202592.1%7.1%0.0%0.0%
September 2025100.0%0.0%0.0%0.0%
October 202566.1%0.8%32.7%0.0%
November 202584.1%15.9%0.0%0.0%
December 202566.3%0.0%33.7%0.0%
January 202628.7%71.3%0.0%0.0%
February 202619.8%80.2%0.0%0.0%
March 202620.6%57.2%22.2%0.0%
April 202673.8%4.1%20.8%0.0%
May 202673.3%0.8%0.0%25.9%
June 202675.1%17.4%7.4%0.0%
July 202675.7%24.3%0.0%0.0%
August 202628.0%0.0%0.0%45.7%
Duty paid, % of value
Show the numbers
MonthCanadaMexicoJapanKorea, SouthAll countries
September 20240.0%0.0%n/an/a0.0%
October 20240.0%n/an/an/a0.0%
November 20240.0%0.0%n/an/a0.0%
December 20240.0%0.0%n/an/a0.0%
January 20250.0%n/an/an/a0.0%
February 20250.0%0.0%n/an/a0.0%
March 20250.0%0.0%n/an/a0.0%
April 20250.3%0.0%n/an/a0.3%
May 20250.0%0.0%n/an/a0.0%
June 20250.3%0.0%n/an/a0.3%
July 20251.1%0.0%n/an/a1.0%
August 20250.3%0.0%n/an/a0.4%
September 20250.2%n/an/an/a0.2%
October 20250.1%0.0%15.0%n/a5.1%
November 20250.1%0.0%n/an/a0.1%
December 20250.9%n/a15.0%n/a5.6%
January 20260.0%0.0%n/an/a0.0%
February 20260.6%0.0%n/an/a0.1%
March 20260.6%0.0%10.0%n/a2.3%
April 20260.0%0.0%10.0%n/a2.5%
May 20260.3%0.0%n/a0.0%0.2%
June 20260.0%0.0%10.0%n/a0.8%
July 20260.0%0.0%n/an/a0.0%
August 20260.0%n/an/a0.0%3.3%

Where it enters the US

Main ports of entry over the 12 months to August 2026: US imports and share.

  1. Nogales, AZ$2.0M · 18.5%
  2. Buffalo-Niagara Falls, NY$1.8M · 17.4%
  3. Port Huron, MI$1.6M · 15.4%
  4. Seattle, WA$1.4M · 13.5%
  5. Saginaw-Bay City, MI$1.3M · 12.3%

Where US exports go

US exports were $4.8M in August 2026, up 272% from August 2025, and $39.2M over the last 12 months, up 168% on the 12 months before. Fastest-growing market with 3% or more of US exports: South Africa, up 31921%.

MarketLast 12 monthsSharevs 12 months before
Canada$28.0M71.5%+217%
South Africa$3.3M8.5%+31921%
Vietnam$1.9M4.9%new
China$1.8M4.5%+21072%
United Arab Emirates$1.5M3.9%−28%
Malaysia$810K2.1%new
India$780K2.0%+3246%
Mexico$706K1.8%−74%
Other countries (12)$329K0.8%+278%
All countries$39.2M100.0%+168%

Markets abroad

Each country's own import figures for this product, from UN Comtrade: the 8 biggest importers outside the US in the latest year each has reported, what they bought from the US, and the change from the year before. Values usually include freight and insurance to the importer's border, so they run a little above US export figures. Countries report a year or more late; 77 have reported 2025 so far. Where a country's figure for imports from the US is under half or over double what the US recorded exporting there that year, the US figure is shown under it.

MarketImportsvs year beforeFrom the USUS share
Malaysia$146.7Min 2025+2.7%$4.5M3.1%
Indonesia$57.4Min 2025−8.2%$2.2M3.8%
Philippines$31.6Min 2025−15%$00.0%
Japan$27.8Min 2025−16%$00.0%
France$20.0Min 2025+97%$2.0MUS records $20K10.0%
Belgium$19.1Min 2025−22%$00.0%
Canada$14.5Min 2025+281%$14.5M100.0%
Germany$14.2Min 2025−71%$00.0%

The biggest market outside the US is Malaysia, which imported $146.7M of this product in 2025, 3.1% of that from the US.

The US supplies 100.0% of imports into Canada, but under 10% into Malaysia, Indonesia and the Philippines.

Of these, imports into Canada grew fastest: up 281% from 2024 to 2025.

About these figures
  • Source: US Census Bureau international trade data, not seasonally adjusted, in US dollars. Retrieved November 3, 2026.
  • US imports are general imports at customs value, which excludes freight and insurance. Exports are at free-alongside-ship value.
  • Average price is customs value divided by quantity, across all of the product's 10-digit lines.
  • Duty paid is the duty Census calculates on each country's imports for consumption, as a share of their value. It moves with tariff changes, exemptions and the mix of goods within the product.
  • Markets abroad are each country's imports as it reports them to UN Comtrade, in US dollars, usually including freight and insurance. Countries report a year or more late and in their own edition of the HS codes, so one still on an older edition is missing for codes that changed in 2022.
  • Census revises recent months, so figures can change slightly. These are estimates for research and planning, not customs or legal advice.

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