Introduction
The global steel industry is facing a new wave of uncertainty as former U.S. President Donald Trump has announced fresh tariffs on all steel and aluminum imports into the United States. The reintroduction of a 25% tariff on steel and a 10% tariff on aluminum has reignited trade tensions, particularly with key allies such as the UK, Canada, and the European Union.
In response to this development, the UK government has fast-tracked a major steel industry consultation process, releasing the “Plan for Steel” weeks ahead of schedule. This plan aims to address pressing industry concerns, including high energy costs, unfair trading practices, and global competition from cheap steel imports.
As the United States remains one of the largest export markets for British and Canadian steel, these tariffs could have devastating consequences for manufacturers and suppliers, affecting jobs, pricing, and trade relationships. Meanwhile, Canada, the largest steel supplier to the U.S., has threatened to retaliate against Trump’s tariffs, further escalating tensions.
This article provides an in-depth analysis of:
✅ The new U.S. steel and aluminum tariffs and their impact
✅ The UK’s response with the “Plan for Steel”
✅ Canada’s potential countermeasures
✅ The broader implications for the global steel industry
Trump’s 25% Tariffs on Steel and 10% on Aluminum: What’s Happening?
On February 16, Donald Trump announced that his administration would impose a 25% tariff on all steel imports and a 10% tariff on aluminum imports into the U.S. This move, reminiscent of the 2018 steel-aluminum trade war, has sparked strong reactions from international trade partners.
Why Is Trump Reintroducing Steel Tariffs?
Trump has long argued that foreign steel imports, particularly from China, threaten the U.S. manufacturing industry. The tariffs aim to:
- Protect U.S. steel and aluminum manufacturers from foreign competition
- Limit the influx of cheap steel imports, especially from China
- Strengthen domestic production for national security reasons
While Trump claims the move is about economic protectionism, critics argue that these tariffs will harm global trade relationships and increase costs for U.S. manufacturers and consumers.

Which Countries Are Affected?
Unlike previous tariffs that targeted specific countries like China, Russia, and Turkey, the new tariffs apply to ALL countries, including key U.S. allies such as the UK, Canada, Japan, and the European Union.
The U.S. imported 5.9 million tonnes of steel from Canada in 2024, making Canada the largest steel supplier to the United States. The UK, on the other hand, exports over £400 million worth of steel annually to the U.S., making it the UK’s second-largest steel export market.
With these tariffs in place, both the British and Canadian steel industries face severe economic repercussions, including potential job losses, plant closures, and reduced global competitiveness.
UK Accelerates Steel Industry Consultation in Response to U.S. Tariffs
Recognizing the immediate threat posed by the U.S. tariffs, the UK government has published its steel industry consultation paper, “Plan for Steel,” weeks ahead of schedule.
What Is the “Plan for Steel”?
The UK’s Department for Business and Trade has outlined key focus areas in the plan, including:
🔹 High Energy Costs – Addressing the rising energy prices that make British steel production less competitive.
🔹 Unfair Trading Practices – Combatting cheap imports that undercut UK manufacturers.
🔹 Government Investment – The Labour government has pledged £2.5 billion (US$3.15 billion) to revitalize the steel industry.
🔹 Trade Negotiations with the U.S. – Seeking exemptions from the new tariffs, particularly for specialized steel used in U.S. defense manufacturing.
UK Business and Trade Secretary’s Response
Business and Trade Secretary Jonathan Reynolds emphasized that the UK steel industry has a long-term future under the Labour government.
“The UK steel industry has a long-term future under this government. We said that during the election, and we are delivering on it now,” Reynolds stated.
Reynolds also noted that the UK was in discussions with U.S. officials to secure potential exemptions from the tariffs. He suggested that certain UK steel products, such as specialized naval submarine casings made in Sheffield, are critical to U.S. defense operations and could be exempted from the tariff measures.
Canada’s Response: Potential Retaliatory Tariffs
As the largest steel supplier to the United States, Canada stands to lose billions of dollars due to Trump’s tariffs. In 2024 alone, Canada exported US$24.4 billion worth of aluminum and steel to the U.S.
Prime Minister Trudeau’s Warning
In response to Trump’s announcement, Canadian Prime Minister Justin Trudeau has stated that Canada will retaliate if the tariffs are imposed.
The Canadian Steel Producers Association (CSPA) has warned that the tariffs could cripple Canadian steel exports, as redirecting steel to other markets is difficult due to low-cost Chinese steel flooding the global market and high shipping costs.
Historical Context: Canada’s Previous Retaliation
This isn’t the first time Canada has clashed with the U.S. over steel tariffs. In 2018, when Trump first imposed similar tariffs, Canada retaliated with countermeasures worth $16.6 billion on U.S. imports. If Trump follows through with his latest tariff plan, it’s highly likely that Canada will impose similar retaliatory tariffs once again.
Broader Global Implications of U.S. Tariffs
1. Increased Trade Tensions
The U.S. decision to target key allies like the UK, Canada, and the EU is expected to lead to retaliatory trade measures. The EU has already hinted at countermeasures, and if trade wars escalate, global steel prices could rise significantly.
2. Higher Prices for U.S. Manufacturers
Many U.S. industries rely on imported steel to manufacture products. With tariffs increasing steel costs, industries such as automotive, construction, and aerospace will likely see price hikes, ultimately affecting consumers.
3. Risk of Job Losses in Affected Countries
In both the UK and Canada, steel-related jobs are at risk due to declining exports. Factories may be forced to cut jobs or shut down if they cannot absorb the financial burden of U.S. tariffs.
4. Shift in Global Steel Trade Alliances
With the U.S. becoming a less reliable trade partner, affected countries may seek alternative steel markets. This could lead to stronger UK-EU or Canada-EU trade agreements, while China could increase its influence in global steel markets.
Trump Imposes 25% Tariffs on Steel and Aluminum Imports from All Countries, Including Canada
U.S. President Donald Trump has once again taken a protectionist stance on trade, announcing new 25% tariffs on all steel and aluminum imports, including from Canada. The move, which reignites a trade dispute that previously shook North American industries in 2018, could have serious consequences for Canadian metal producers and global markets.
Trump’s latest tariff order, signed on February 10, reinstates the duties he introduced during his first term in office but with even tougher measures—raising the aluminum tariff from 10% to 25%. These tariffs, which will come into effect on March 12, are expected to significantly impact trade relations between the U.S. and its key allies, particularly Canada, which is the largest supplier of both steel and aluminum to the U.S.
Trump’s Justification for the Tariffs
During the announcement, Trump declared that there would be “no exceptions or exemptions,” affecting all countries, including key trading partners like Canada and Mexico. He justified the move under Section 232 of the Trade Expansion Act of 1962, citing national security concerns as the primary reason for imposing the tariffs.
“We don’t need it from another country. As an example, Canada. If we make it in the United States, we don’t need it to be made in Canada. We’ll have the jobs. That’s why Canada should be our 51st state,” Trump stated. His remarks signal an aggressive stance on reshoring manufacturing jobs and reducing U.S. reliance on imported metals.
In addition to steel and aluminum, Trump also suggested he would be introducing new tariffs on automobiles, pharmaceuticals, and computer chips, with an emphasis on protecting domestic industries.

Canada’s Reaction and Potential Retaliation
The Canadian government has expressed strong opposition to the tariffs, calling them “totally unjustified.” Innovation Minister François-Philippe Champagne issued a statement indicating that Canada is preparing a “clear and calibrated” response.
“Canadian steel and aluminum support key industries in the U.S., from defense and shipbuilding to automotive and energy,” Champagne said. “We will continue to stand up for Canada, support our workers, and defend our industries as we always have done and always will.”
Unlike in 2018, when Canada swiftly imposed retaliatory tariffs on $16.6 billion worth of U.S. goods, Ottawa has not immediately announced countermeasures. However, government officials have stated that retaliation is inevitable.
Premiers Doug Ford of Ontario and François Legault of Quebec are expected to visit Washington this week to advocate for Canadian metal producers. Both provinces are home to major steel and aluminum industries that will be hit hardest by the tariffs.
Impact on the Canadian Steel and Aluminum Industry
The United States is the primary destination for Canadian metal exports. In 2024, Canada exported 5.9 million tonnes of steel to the U.S., making it the largest foreign supplier. Additionally, more than 90% of Canada’s aluminum production is shipped south of the border. The combined value of these exports exceeds $35 billion annually.
The new tariffs will be particularly damaging to the steel industry, which faces limited options for redirecting exports to other markets. Due to high shipping costs and a global oversupply of Chinese steel, Canadian producers may struggle to find alternative buyers outside North America.
Aluminum Industry’s Stronger Negotiating Position
While the steel sector is expected to suffer, the aluminum industry may have a stronger bargaining position. The U.S. heavily relies on Canadian aluminum, which is essential for industries ranging from automobiles to beverage cans and military equipment.
In 2023, U.S. smelters produced only 750,000 tonnes of primary aluminum, while the country’s total consumption was around five million tonnes. Canadian aluminum accounted for 3.1 million tonnes of that gap, making it a critical supplier.
Jean Simard, president of the Aluminum Association of Canada, warned that the new tariffs would not only hurt Canadian producers but also cause disruptions for U.S. manufacturers.
“Remembering how disruptive a 10% tariff was for the U.S. industry, I can only begin to imagine how destructive a 25% tariff will be for the U.S. economy,” Simard said.
Impacts on Steel Industry Jobs and Investment
The Canadian Steel Producers Association (CSPA) has condemned the tariffs, calling them “baseless and unwarranted.” The organization stressed that Canada will be forced to retaliate immediately.
The steel industry directly employs about 23,000 workers in Canada, primarily in Ontario. With reduced exports to the U.S., job losses and plant closures could become a reality. The uncertainty surrounding tariffs may also deter further investment in the sector, stalling long-term growth.
The United Steelworkers union, which represents steelworkers in both Canada and the U.S., also criticized the tariffs. Marty Warren, the union’s national director for Canada, stated that “reckless trade measures don’t work and hurt workers, destabilize industries, and create uncertainty across the economy.”
Potential Consequences for the U.S. Economy
Despite Trump’s insistence that the tariffs will protect American jobs, past experience suggests they could backfire. When similar tariffs were introduced in 2018, they triggered a surge in domestic steel and aluminum prices, increasing costs for U.S. manufacturers that rely on these metals.
According to a 2019 study by the Peterson Institute for International Economics, Trump’s previous tariffs led to a net loss of over 75,000 American manufacturing jobs. The study found that while steel and aluminum producers benefited, industries that use these materials—including construction, automotive, and aerospace—suffered significant cost increases.
The Aluminum Association, which represents the U.S. industry, has warned that the new tariffs could create major supply chain disruptions. The U.S. is not self-sufficient in aluminum production and relies heavily on imports. Even if U.S. smelters operated at full capacity, they would still fall short of meeting domestic demand.
“The U.S. industry sources around two-thirds of the primary aluminum it uses every year from Canada. It would take billions of dollars in investment over decades to make the United States fully self-sufficient for its metal needs,” the association stated.
Trade Relations and the Future of NAFTA 2.0 (USMCA)
The new tariffs come at a time when the United States-Mexico-Canada Agreement (USMCA), which replaced NAFTA, is still in its early stages. The agreement was designed to promote free trade within North America, but Trump’s actions threaten to undermine its stability.
Under USMCA, Canada and Mexico agreed to certain provisions aimed at preventing unfair competition from Chinese steel. However, Trump’s administration has claimed that Canada and Mexico have become “backdoors” for Chinese steel entering the U.S. market—an accusation both countries dispute.
The tariffs could also strain diplomatic ties between Canada and the U.S. Prime Minister Justin Trudeau has emphasized that Canada is a close ally and that these tariffs contradict the spirit of economic cooperation.
Impact on Global Trade and Other Countries’ Responses
Beyond North America, Trump’s tariffs will have global ramifications. Countries like the European Union, Japan, and South Korea, which export steel to the U.S., are likely to push back. Some may challenge the move at the World Trade Organization (WTO), as they did in 2018.
In Australia, Prime Minister Anthony Albanese managed to secure an exemption after a phone call with Trump. However, no other countries have been granted exemptions, raising concerns about unfair trade practices.

Conclusion
With Trump’s 25% tariff on steel and 10% on aluminum imports set to take effect on March 12, the UK, Canada, and the EU must decide their next moves.
🔹 Will the UK secure exemptions for critical steel exports?
🔹 Will Canada retaliate with counter-tariffs?
🔹 How will global steel markets adjust to the new economic landscape?
One thing is certain: the steel industry is at a turning point, and businesses worldwide must adapt to the shifting trade environment.
Trump’s decision to impose sweeping 25% tariffs on steel and aluminum imports is set to reignite trade tensions, particularly between the U.S. and Canada. While Trump claims the move will protect American jobs, history suggests it could lead to higher costs for U.S. manufacturers, job losses, and economic uncertainty.
For Canada, the tariffs represent a significant threat to its steel and aluminum industries, which rely heavily on the U.S. market. While the aluminum sector may have some leverage in negotiations, the steel industry faces a more challenging road ahead.
As Canada prepares to retaliate, the next few weeks will be critical in determining the future of trade relations between the two nations. Whether these tariffs will ultimately be lifted or lead to a prolonged trade war remains to be seen.
One thing is certain: the impact of these tariffs will be felt on both sides of the border.
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References:
- UK Accelerates Major Steel Industry Consultation in Response to US Tariffs – Free Malaysia Today
- UK to Publish Steel Industry Green Paper Ahead of Schedule Due to US Tariffs – Reuters
- UK Accelerates Steel Industry Plan in Response to US Tariffs – The Globe and Mail
- Trump Imposes Tariffs on Steel and Aluminum – The Globe and Mail