Latin American Steel Rallies on Tariff Defence
Key Facts
- Gerdau surged almost 6% its New York shares closed at US$4.97, up 5.97% on the session, leading the regional steel board higher.
- SLX advanced 1.77% the VanEck Steel ETF ended Wednesday, September 2 at US$110.26 as global steel producers caught a tariff-driven bid.
- CSN followed the rally the Brazilian flat-steel producer’s ADR finished at US$1.17, a 3.54% gain on the day in New York trading.
- Ternium added 2.16% Mexico’s largest flat-steel name closed at US$56.87, supported by demand from the auto sector and Mexican import barriers.
- Brazil holds a 25% tariff line above-quota imports of 19 steel products face the levy through June 2027, shielding Gerdau, CSN and Usiminas from Chinese pricing.
- Mexico runs levies up to 50% duties on 1,463 non-free-trade-agreement products, including steel, sit alongside a 25% tariff in place since August 2023.
Today’s Focus
Latin American steel stocks rallied on Wednesday, September 2, 2026 as investors bought into tariff protection and steady demand. Gerdau led the move, while CSN and Ternium also posted solid gains against a global steel-producer ETF that rose 1.77%.
The driver is unchanged: cheap Chinese steel keeps threatening regional mills, but trade walls are holding. Brazil’s 25% above-quota tariff on 19 steel products runs to June 2027, and five-year anti-dumping duties cover Chinese cold-rolled, coated and hot-dip galvanised flat steel.
Mexico leans on tariffs of up to 50% on 1,463 non-free-trade-agreement products, including steel, plus a 25% levy in place since August 2023. Construction demand is propping up Brazilian long steel, while Mexican auto manufacturing supports Ternium’s flat products.
The result is a defensive, policy-supported rally rather than a demand boom. Investors are treating the trade measures as a floor under regional pricing, even while acknowledging that Chinese overcapacity remains the central risk.
What matters today. Tariff walls, not demand, are setting the floor under Latin American steel shares.
01 The session in one read
Latin American steel producers posted a broad rally on Wednesday, September 2, 2026, with Gerdau’s New York shares jumping 5.97% to US$4.97. CSN’s ADR gained 3.54% to US$1.17, while Ternium added 2.16% to US$56.87.
The VanEck Steel ETF, a global basket of steel producers that includes Gerdau and Ternium, rose 1.77% to US$110.26. The move left Latin American names outpacing the broader steel-producer index, a sign that regional tariff protection is resonating with foreign investors.
The rally in Gerdau, CSN and Ternium reflects investor confidence that tariffs and anti-dumping duties will keep cheap Chinese imports from flooding regional markets through at least mid-2027. With construction and auto demand steady rather than booming, the gains are a bet on policy endurance, not on a sharp cyclical upswing. The variable to watch is whether Brazilian or Mexican authorities tighten or loosen those trade measures in response to domestic inflation or diplomatic pressure from Beijing.
02 The board
Gerdau delivered the standout session, its US$4.97 close representing the sharpest one-day move among the names tracked. The Brazilian long-steel producer has been a primary beneficiary of construction demand at home and of the country’s 25% tariff on above-quota imports of 19 steel products through June 2027.
CSN and Ternium followed in the same direction, though with less force. CSN’s US$1.17 ADR close tells the story of a flat-steel producer still working through Chinese pricing pressure, while Ternium’s US$56.87 finish reflects Mexico’s layered import barriers and steady automotive offtake.
| Asset | Level | Change |
|---|---|---|
| Steel (SLX ETF) | US$110.26 | +1.77% |
| Gerdau | US$4.97 | +5.97% |
| CSN (ADR) | US$1.17 | +3.54% |
| Ternium | US$56.87 | +2.16% |
Source: RT close, 2026-09-02. Where a commodity has no spot feed, an exchange-traded tracker or leading producer is shown as a labelled proxy.
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Latin America — Cross-Market Board
| Instrument | Last | Change | YoY | Prev. | High | Low | Volume |
|---|---|---|---|---|---|---|---|
| IBOV | 185,205.09 | +3.05% | +21.85% | 179,722.48 | 168,310 | 167,142 | — |
| IPSA | 11,315.26 | -1.14% | — | 11,445.90 | 11,210 | 10,984 | 1,513,213,483 |
| IPC MEX | 64,833.08 | +0.49% | +12.17% | 64,514.25 | 66,121 | 65,405 | 108,886,187 |
| MERVAL | 3,106,216 | +1.86% | +30.51% | 3,022,485 | 3,042,365 | 2,991,150 | — |
| COLCAP | 2,489.31 | +0.77% | — | 9.04 | 9.05 | 9.02 | 4,133 |
| BVL PERÚ | 59,515.48 | +0.34% | — | — | — | — | — |
| USD/BRL | 5.16 | +0.01% | -5.13% | 5.16 | 5.18 | 5.14 | — |
| EUR/BRL | 5.95 | +1.01% | -5.83% | 5.89 | 5.98 | 5.94 | — |
| USD/MXN | 17.06 | -0.24% | -8.58% | 17.10 | 17.08 | 17.01 | — |
| USD/CLP | 913.98 | +0.04% | -5.67% | 913.65 | 915.11 | 906.68 | — |
| USD/COP | 3,140 | +0.03% | -22.04% | 3,139 | 3,141 | 3,105 | — |
| USD/PEN | 3.36 | -0.66% | -4.82% | 3.38 | 3.38 | 3.35 | — |
| USD/ARS | 1,493 | +0.10% | +12.96% | 1,491 | 1,494 | 1,480 | — |
| USD/UYU | 40.27 | +1.24% | +1.80% | 39.77 | 40.27 | 40.23 | — |
| USD/PYG | 5,939 | +1.68% | -19.54% | 5,841 | 5,939 | 5,925 | — |
| USD/BOB | 11.64 | -0.76% | +72.04% | 11.73 | 11.72 | 11.64 | — |
| USD/DOP | 58.34 | +1.25% | -3.44% | 57.62 | 58.34 | 58.04 | — |
| USD/CRC | 445.92 | +0.89% | -9.71% | 441.97 | 448.50 | 445.92 | — |
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03 What moved it
The core driver remains cheap Chinese steel. Brazilian and Mexican mills continue to face pricing pressure from Chinese exports of cold-rolled, coated and hot-dip galvanised flat steel, which is why the trade defences matter so much to equity investors.
Brazil’s five-year anti-dumping duties on those Chinese flat-steel products, combined with the 25% above-quota tariff running to June 2027, give domestic producers room to hold prices. Mexico’s tariffs of up to 50% on 1,463 non-free-trade-agreement products, including steel, play the same role for Ternium.
On the demand side, construction is supporting Brazilian long steel while Mexican auto manufacturing underpins Ternium’s flat products. Neither is booming, but both are steady enough to keep the mills working without forcing them to chase volumes at collapsing prices.
04 The Latin American read
For foreign investors, Wednesday’s session reads as a vote of confidence in the region’s willingness to enforce trade barriers. Brazil’s steel tariff regime, extended through June 2027, is among the most explicit in the hemisphere, covering 19 product categories on an above-quota basis.
Mexico’s approach is broader but more political: levies of up to 50% on 1,463 non-free-trade-agreement products sit alongside a 25% tariff in place since August 2023. Ternium’s 2.16% gain suggests investors see that structure as durable enough to protect margins.
What remains unresolved is whether Beijing will respond to these barriers with its own measures, or simply redirect exports to less protected markets. For now, Latin American steel shares are trading on the assumption that the walls will hold.
05 The names to watch
Gerdau is the clearest beneficiary of the current setup: a Brazilian long-steel producer with construction demand at its back and a tariff wall in front of it. Its 5.97% move on Wednesday makes it the sector’s momentum name.
CSN carries more risk because flat steel is the product category most exposed to Chinese exports, even with anti-dumping duties in place. Ternium offers the Mexican angle, where auto demand and layered tariffs provide support but where North American trade politics can shift quickly.
The SLX ETF remains the simplest way for foreign investors to hold the group, since it bundles Gerdau, Ternium and other global producers into a single New York-listed vehicle.
06 The outlook
The near-term outlook hinges on whether Brazilian and Mexican trade measures survive contact with domestic politics and Chinese diplomacy. As long as the tariff and anti-dumping architecture holds, regional producers can defend prices even in a soft demand environment.
The structural risk is unchanged: Chinese overcapacity has not gone away, and redirected exports could pressure other Latin American markets lacking equivalent protection. Investors will also watch construction and auto activity for any sign that steady demand is tipping into contraction.
07 What to watch
- Brazil tariff enforcement: whether the 25% above-quota levy on 19 steel products is extended or modified before June 2027
- Chinese export flows: redirected Chinese steel could hit less-protected Latin American markets and soften regional pricing
- Mexican auto demand: Ternium’s flat-steel order book depends on Mexican vehicle production holding at current levels
- Construction activity in Brazil: Gerdau and CSN need long-steel and flat-steel demand to remain steady through the second half of 2026
Frequently Asked Questions
Why did Latin American steel stocks rally on September 2, 2026?
Gerdau gained 5.97%, CSN added 3.54% and Ternium rose 2.16% as investors bet that tariffs and anti-dumping duties would keep cheap Chinese steel out of Brazil and Mexico.
What is the SLX ETF?
SLX is the VanEck Steel ETF, a New York-listed fund that tracks global steel producers and includes Latin American names such as Gerdau and Ternium; it closed at US$110.26 on September 2, up 1.77%.
What protection does Brazil have against Chinese steel?
Brazil imposes a 25% tariff on above-quota imports of 19 steel products through June 2027 and five-year anti-dumping duties on Chinese cold-rolled, coated and hot-dip galvanised flat steel.
How is Mexico protecting its steel industry?
Mexico applies tariffs of up to 50% on 1,463 non-free-trade-agreement products, including steel, alongside a 25% levy that has been in place since August 2023.
Market data: RT
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