AISI: U.S. Steel Import Permits Edge Down in September as Finished Steel Volumes Rise

U.S. steel import permit applications totaled 2.492 million net tons (NT) in September 2026, down 0.2% from August, while permits for finished steel imports increased 2.1% to 1.671 million NT, according to the American Iron and Steel Institute (AISI), citing the Commerce Department’s Steel Import Monitoring and Analysis (SIMA) data.
September’s total permit volume was 0.9% below the final August import total of 2.515 million NT. For the first nine months of 2026, total steel imports reached 18.567 million NT, down 8.5% from the same period in 2025. Finished steel imports fell 13.5% year over year to 13.042 million NT.
AISI estimated that finished steel accounted for 19% of the U.S. market in September, compared with a year-to-date share of 16%.
Several product categories recorded sharp month-on-month increases in September permit applications compared with August’s final import figures. Standard rails rose 244%, railroad accessories increased 114%, and tool steel climbed 103%. Permits for galvanized and electrolytic sheets and strip increased 79%, while ingots and steel for castings rose 76% and pressure tubing increased 75%.
Year to date, imports of pipe for piling increased 143% from the same period in 2025. Ingots and steel for castings rose 112%, standard rails increased 83%, and heavy structural shapes climbed 63%.
South Korea was the largest source of September steel import permit applications at 461,000 NT, up 7.5% from August’s final imports. Mexico followed with 311,000 NT, up 23%, while Brazil supplied 279,000 NT, down 20.5%. Canada accounted for 255,000 NT, down 14%, and Vietnam supplied 195,000 NT, up 23%.
For January through September, South Korea remained the largest supplier at 3.4 million NT, up 54% year over year. Canada ranked second at 2.405 million NT, down 35%, followed by Brazil at 2.389 million NT, down 28%.
Source: The American Iron and Steel Institute (AISI)
SUNSHINE Spotlight: U.S. steel import permits dipped slightly in September, but finished steel permits rose 2.1% month-on-month as the estimated finished steel import market share reached 19%.





