Latin America Steel Wrap | Tariffs Shield Mills
Key Facts
- Tariff protection, not demand, supported Latin American steel shares on Thursday, September 10, 2026, as Brazil and Mexico kept steep barriers on Chinese and other non-FTA steel imports.
- Gerdau rose 1.80% to US$5.1 because the Brazilian long-steel producer is the name most exposed to construction demand, the segment helped most by import protection.
- CSN added 3.76% to US$1.38 even though the Brazilian flat-steel maker remains the regional name most exposed to cheap Chinese imports that keep pricing under pressure.
- Ternium slipped 0.86% to US$57.61 with the Mexican producer still supported by auto demand and nearshoring-related factory building, but not enough to hold a gain.
- The SLX steel-producers ETF dropped 2.23% to US$108.63 showing global steel sentiment stayed cautious even as Latin American names outperformed.
- Brazil kept a 25% tariff on above-quota steel imports through June 2027 while Mexico maintained tariffs of up to 50% on 1,463 products from countries without a free-trade agreement.
Today’s Focus
Latin American steel shares diverged from a weaker global market on Thursday, September 10, 2026. Gerdau and CSN rose while Ternium edged lower and the SLX ETF fell more than 2%.
The regional story is protection, not a demand boom. Brazil’s 25% tariff on above-quota steel imports runs through June 2027, and Mexico keeps tariffs of up to 50% on 1,463 non-FTA products including steel.
Brazilian construction and Mexican auto production are the main demand supports. Cheap Chinese supply keeps meeting tariff walls, which is why flat-steel maker CSN remains the most exposed name even as its shares gained.
For foreign investors, the read is simple: Latin American steel is a policy trade first, a demand trade second. Watch the tariff calendars and any sign that Beijing redirects export volumes.
What matters today. Latin American steel outperformed a weak global market because tariff walls in Brazil and Mexico are doing the heavy lifting, not underlying demand.


01 The session in one read
Latin American steel shares split from a sliding global steel market on Thursday, September 10, 2026. Brazilian producers Gerdau and CSN rose, while Mexico’s Ternium slipped and the SLX steel-producers ETF dropped 2.23% to US$108.63.
The gap between regional gains and global softness tells the story. Brazil and Mexico are using tariff walls to shield domestic mills from cheap Chinese supply, and investors rewarded the names most exposed to protected segments.
The session showed Latin American steel can decouple from global sentiment when tariff protection is strong and domestic demand is steady. The variable to watch is any change to Brazil’s June 2027 tariff deadline or Mexico’s product list.
02 The board
Gerdau’s New York shares climbed 1.80% to US$5.1, the clearest beneficiary of Brazil’s construction-linked long-steel demand. CSN’s ADR jumped 3.76% to US$1.38, a sharp rebound for the flat-steel producer most exposed to Chinese import competition.
Ternium fell 0.86% to US$57.61, even though Mexican auto demand and nearshoring factory construction remain supports. The SLX ETF’s 2.23% slide to US$108.63 shows global investors are not yet convinced the regional policy story can overcome broader weakness.
| Asset | Level | Change |
|---|---|---|
| Steel (SLX ETF) | US$108.63 | -2.23% |
| Gerdau | US$5.1 | +1.80% |
| CSN (ADR) | US$1.38 | +3.76% |
| Ternium | US$57.61 | -0.86% |
Source: RT close, 2026-09-10. 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 | 188,268.59 | +1.42% | +21.85% | 185,629.04 | 168,310 | 167,142 | — |
| IPSA | 11,238.63 | -1.16% | — | 11,370.12 | 11,210 | 10,984 | 1,513,213,483 |
| IPC MEX | 64,106.82 | -1.09% | +12.17% | 64,814.97 | 66,121 | 65,405 | 108,886,187 |
| MERVAL | 3,157,852 | +1.53% | +30.51% | 3,022,485 | 3,042,365 | 2,991,150 | — |
| COLCAP | 2,626.71 | +1.65% | — | 9.04 | 9.05 | 9.02 | 4,133 |
| BVL PERÚ | 60,702.89 | -2.19% | — | — | — | — | — |
| 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 | — |
Live Company IntelligenceGerdau S.A — the full investor dossier
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03 What moved it
Tariff protection is the dominant driver. Brazil kept a 25% tariff on above-quota steel imports through June 2027, and Mexico maintains tariffs of up to 50% on 1,463 products from countries without a free-trade agreement, including steel.
Demand is steady but unspectacular. Brazilian construction is the main support for long-steel producers like Gerdau, while Mexican auto production and nearshoring-related factory building underpin Ternium’s order books.
Cheap Chinese supply remains the pressure point. CSN’s flat-steel business faces the sharpest import competition, which is why its 3.76% gain stands out as a relief move rather than a signal of pricing power.
04 The Latin American read
For foreign investors, Latin American steel is a policy trade before it is a demand trade. The tariff calendars in Brasília and Mexico City matter more than global steel prices right now.
The regional market is shaped by cheap Chinese supply meeting tariff walls. That means Brazilian construction and Mexican auto production are the two demand engines keeping domestic mills busy while import protection does the heavy lifting.
05 The names to watch
Gerdau is the purest play on Brazil’s protected long-steel market, tied directly to construction and infrastructure spending. Its 1.80% gain to US$5.1 reflects that exposure.
CSN is the highest-risk name because flat-steel faces the most Chinese import pressure, even with tariffs. The 3.76% jump to US$1.38 suggests some investors see the tariff shield as enough for now.
Ternium offers Mexican auto and nearshoring exposure but carries global steel beta. The 0.86% drop to US$57.61 shows global caution can still bite even a well-positioned producer.
06 The outlook
The near-term path depends on whether Chinese export volumes stay high and whether Brazil and Mexico hold their tariff lines. Any sign of policy slippage would hit the Brazilian names hardest, especially CSN.
Watch the SLX ETF as a gauge of global steel sentiment. If it keeps sliding while Gerdau and CSN hold gains, the decoupling story strengthens; if Latin American names follow the global market down, the policy premium is fading.
07 What to watch
- Brazil tariff deadline: June 2027 is the current end date for Brazil’s 25% above-quota steel tariff; any extension or early rollback would move Gerdau and CSN sharply.
- Mexico product list: Mexico’s tariffs of up to 50% cover 1,463 non-FTA products; changes to that list would hit Ternium’s competitive position.
- Chinese export volumes: Cheap Chinese flat-steel supply is the main pressure on CSN; a sustained rise in shipments would test tariff walls.
- SLX global signal: The steel-producers ETF fell 2.23% on Thursday; if it keeps sliding, Latin American names may struggle to hold their decoupling.
Frequently Asked Questions
Why did Gerdau rise while the SLX ETF fell?
Gerdau gained 1.80% to US$5.1 because it is the Brazilian long-steel producer most exposed to construction, the segment best protected by import tariffs.
Why did CSN jump 3.76%?
CSN’s ADR rose to US$1.38 as investors looked past its exposure to cheap Chinese flat-steel imports and focused on Brazil’s tariff protection.
What tariffs protect Latin American steel?
Brazil keeps a 25% tariff on above-quota steel imports through June 2027, while Mexico keeps tariffs of up to 50% on 1,463 non-FTA products including steel.
What is the main risk for the sector?
Cheap Chinese supply meeting tariff walls is the central tension; if Chinese export volumes surge or tariff policies weaken, Brazilian flat-steel names like CSN face the sharpest pressure.
Market data: RT
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