Steel Industry Explained: The U.S. View
The U.S. steel industry is very different from China's. Most U.S. steel is made in electric arc furnace minimills that melt scrap, and only about 28% comes from integrated mills that use iron ore and coke in blast furnaces. The country makes most of what it uses: according to the USGS it produced 82 million tons of raw steel in 2025, up from 79.5 million, and imported about 24 million tons of mill products, for net import reliance of about 13%. Tariffs shape the market. Section 232 steel tariffs went to 25% for all countries in March 2025, removing earlier exemptions, and to 50% in June 2025. In the same month a Japan-based steelmaker completed its acquisition of a U.S. producer with government approval and conditions, with about $11 billion of planned U.S. investment through 2028. Even so, several older integrated facilities were idled in 2025. Demand comes mainly from construction, steel service centers and automakers.
- Production
- USGS: U.S. raw steel output 82 million tons in 2025, up from 79.5 million
- Tariff
- Section 232 steel tariff raised to 50% for all countries in June 2025
- Imports
- USGS: U.S. net import reliance for steel about 13% in 2025
How the chain works
Minimills, integrated mills and imports
| Electric arc minimills | Integrated mills | Imports | |
|---|---|---|---|
| Raw material | Scrap and iron units | Iron ore and coke | Finished and semifinished steel |
| Share of U.S. supply (2025, USGS) | Most of U.S. output; 102 minimills run by 47 companies | About 28% of U.S. output | About 24 million tons of mill products |
| Cost driver | Scrap and electricity prices | Ore, coal and fixed costs | Foreign prices plus 50% tariff |
| What to watch | Scrap prices, utilization | Idlings and restarts | Tariff changes, exemptions |
A scrap-based industry
According to the USGS Mineral Commodity Summaries 2026, U.S. raw steel came from 102 electric arc furnace minimills run by 47 companies, plus integrated mills run by two companies at eight locations at the start of 2025. Integrated mills account for about 28% of domestic production. Total capacity was about 105 million tons a year, and output in 2025 was about 82 million tons, worth about $149 billion.
Minimills melt scrap with electricity, so they can be built smaller and closer to customers. In March 2025 one company began building a 450,000-ton rebar minimill in southern California. Integrated mills, with blast furnaces and coke ovens, carry high fixed costs; several were idled in 2025.
Tariffs and ownership
Section 232 tariffs on steel were first imposed in 2018. In March 2025 the rate was set at 25% for all countries, removing earlier exemptions, and in June it rose to 50%. Imports of steel mill products fell from about 26.2 million tons in 2024 to about 24 million in 2025. In 2021–2024 the largest sources were Canada (23%), Mexico (15%), Brazil (13%) and South Korea (9%).
In June 2025 a U.S. steelmaker was acquired by a Japan-based steel company; the USGS notes the deal was approved by the U.S. government with stipulations and was expected to bring about $11 billion of domestic steelmaking investment through 2028. In September that company halted production at a 2.7-million-ton Illinois mill while keeping it ready to restart.
Who buys U.S. steel
By market, construction took about 31% of U.S. net shipments in 2025, steel service centers and distributors 26%, automotive 15% and converting and processing 11%. Apparent consumption of mill products rose to about 95 million tons from 91.1 million.
Despite the tariff, the USGS producer price index for steel mill products was about flat, at 290 in 2025 against 291 in 2024 (1982 = 100). Higher protection kept imports out but did not push domestic prices up on an annual basis.
How the U.S. view differs from the China view
The Chinese version of this page is about the world's largest steel industry: China made about 980 million of the world's 1.9 billion tons of raw steel in 2025 (USGS), mostly in blast furnaces, and its profits depend on property construction, exports and the cost of iron ore and coking coal.
The U.S. industry is less than a tenth the size of China's, mostly scrap-based, and protected by tariffs. Chinese property demand matters to U.S. steelmakers mainly through world prices and the flood of exports that tariffs are meant to keep out.
2025: 50% tariffs and a new owner
In 2025 the U.S. raised steel tariffs to 25% for all countries in March and to 50% in June.
Imports fell to about 24 million tons and domestic output rose to about 82 million tons. A Japanese steelmaker completed a government-approved acquisition of a U.S. producer with about $11 billion of planned investment.
Yet the producer price index for mill products was about flat for the year, and some integrated facilities were idled. Tariffs shifted supply toward domestic mills, but demand from construction and autos still set how much steel was needed.
- The U.S. steel industry is mostly scrap-based minimills, not blast furnaces.
- Tariffs cut imports but did not lift annual price indexes much.
- Older integrated mills remain vulnerable even with protection.
Common misreadings
MythThe U.S. depends heavily on imported steel.
RealityNet import reliance was about 13% in 2025, per the USGS.
MythU.S. steel is mostly made in blast furnaces.
RealityIntegrated mills account for about 28% of domestic production.
MythThe 50% tariff sent U.S. steel prices soaring.
RealityThe steel mill products price index was about 290 in 2025 versus 291 in 2024.
MythChina is the main source of U.S. steel imports.
RealityCanada, Mexico, Brazil and South Korea were the largest sources in 2021–2024.
Tariffs, demand and costs: scenarios
| Scenario | Main effect | How it passes through |
|---|---|---|
| Tariff exemptions for partners | Imports | More imports from Canada and Mexico |
| Construction slows | Demand | Lower shipments and utilization |
| Auto output falls | Sheet demand | Pressure on flat-rolled mills |
| Scrap prices rise | Minimill costs | Margins squeezed |
| New minimills start up | Capacity | More competition, older mills close |
| Infrastructure spending rises | Rebar and beams | Higher construction steel demand |
Supply and demand by segment
| Segment | Supply rigidity | Concentration | New demand | Policy role | What to watch |
|---|---|---|---|---|---|
| Minimills | Medium (a few years to build) | Medium (47 companies) | Low | High (tariffs) | Utilization, scrap |
| Integrated mills | High (large fixed plants) | High (two companies) | Low | High (tariffs, emissions rules) | Idlings |
| Imports | Low | Medium (neighbors) | Low | Very high (Section 232) | Tariff decisions |
| Service centers | Low | Medium | Low | Low | Inventories |
Supply rigidity: how long new capacity takes and whether money can speed it up. Concentration: whether output sits in a few countries or companies. The more rigid and concentrated, the more prone to shortages.
How to track it
| Indicator | What it tells you | Where to find it |
|---|---|---|
| Weekly raw steel production and utilization | Mill activity | American Iron and Steel Institute, weekly, free |
| Steel mill products price index | Domestic price trend | Bureau of Labor Statistics PPI, monthly, free |
| Steel imports | Tariff effect | Commerce Department Steel Import Monitoring, free |
| Annual statistics | Big picture | USGS Mineral Commodity Summaries, free |
| Aluminum | The other Section 232 metal | U.S. view: aluminum |
Sources
Last updated 2026-10-18.