Steel & Aluminum
StormPrimary metals production, smelting, and fabrication. Canada is the largest foreign supplier of both steel and aluminum to the U.S.
Steel and aluminum remain under maximum disruption and price pressure, while the risk of further escalation rises as additional U.S. 50 per cent tariffs on certain metal products are scheduled to take effect.
In Force
Measures currently active since the 2025 escalation.
Section 232A U.S. trade authority that can restrict imports on national-security grounds.Glossary → tariffs on steel, aluminum and covered derivatives
In ForceMarch 12, 2025 is the regime's commencement, not the current rate-change date. Primary rates rose to 50% June 4, 2025. April 6, 2026 introduced full-customs-value assessment and revised annex rates; June 8 adjusted equipment relief. July 20 authorized an approved primary-aluminum investment concession. Product classification determines treatment.
Section 301A U.S. process for responding to foreign practices considered unfair or harmful to American commerce.Glossary → Tariff — Forced Labor Enforcement (10%)
In ForceFinal action announced July 23, effective July 24, 2026; Canada's listed rate is 10%. Earlier investigation or proposal dates are not the final-action date. Applicable other duties may remain, but the expired Section 122 surcharge must not be stacked into current totals.
Forecast
Threatened, announced, or scheduled — not yet in force.
Threatened 50% tariffs on Canadian autos and steel — January 1, 2027 target
ThreatenedAugust 24 reporting records a January 1, 2027 target. This remains a conditional threat, not a confirmed new tariff schedule. Current steel primary duties are already 50%; no universal new aluminum increase is established by this report.
CUSMA / USMCAThe North American trade agreement. CUSMA is the Canadian name; USMCA is the American name.Glossary → Joint Review — U.S. Declines to Extend
Under NegotiationUSTR's July 1 statement did not confirm renewal. Review negotiations are not an effective date for withdrawing current preferential treatment. No new enactment or termination date is established by this statement.
Canadian Response
Actions Canada has taken or is pursuing.
March 2025 counter-tariffs — steel/aluminum retained and later amended
Canada's March 13 package covered C$29.8 billion in U.S. steel, aluminum and other goods. The other-goods tranche was removed September 1, 2025; retained metal duties were further amended in September 2026.
Retaliatory Tariffs on $27.6B of U.S. Goods (September 2026)
Canada's September 8, 2026 countermeasures apply product-specific 15%, 25% and 50% rates to the published U.S. goods list, with announced trade coverage of C$27.6 billion.
Latest News
Rising U.S. import and export prices, led by fuel, signal broader cross-border cost pressure for Canadian-linked supply chains.
Rising Canadian project activity and import displacement are giving steelmakers a partial domestic buffer against lost U.S. sales.
Broad gains in metals and chemicals lifted August manufacturing sales, while weaker transportation equipment and pending tariff effects cloud the next data release.
Ontario’s premier called for long-term planning around persistent U.S. protectionism, reinforcing uncertainty for Canadian firms reliant on cross-border market access.
Federal and Ontario NDP leaders are pressing Ottawa to pursue public ownership of Stelco, intensifying political pressure as planned layoffs proceed.
Renewed interest in Alberta’s Grassy Mountain coal resource is sharpening a local divide between prospective economic gains and environmental concerns.
A Stelco worker says tariff-linked layoffs at the Hamilton plant are hard to reconcile with continued demand from Canadian customers.
Canada lost 68,000 jobs in September, lifting unemployment to 6.5 per cent and adding caution for employers and monetary policymakers.
Canadian steel producers are planning for enduring U.S. tariff barriers as planned Stelco layoffs underscore the sector’s reliance on export access.
Ottawa has demanded Cleveland-Cliffs show how it will honour Stelco job commitments, raising legal pressure amid planned workforce reductions.
Retail and supply-chain experts expect the latest tariff escalation to lift Canadian prices and complicate sourcing, while broad product availability largely holds.
Ottawa and provincial finance ministers aligned on counter-tariffs, tariff relief and business supports, reinforcing coordination without announcing a new trade measure.
Port traffic data point to weaker cross-border iron ore and steel flows, raising logistics and input-cost pressure for Great Lakes manufacturers.
U.S. manufacturing continued expanding in September, while input-cost pressure rose and survey respondents described tariffs disrupting Canadian supply chains.
Canada's September manufacturing PMI fell to 51.5, with weaker export orders, higher input costs and border disruption tempering continued expansion.
Existing and prospective tariff relief is reducing countertariff exposure for Canadian importers, particularly buyers of U.S. steel and aluminum inputs.
Canada participated as the steel forum adopted a joint-action framework, despite wider G20 disagreement on industrial overcapacity the following day.
Deloitte lowered its 2027 Canadian growth outlook to 1.6 per cent, signalling a weaker near-term environment for households and businesses.
Stelco announced plans to idle Hamilton finishing operations around October 9, affecting up to 500 workers as tariffs and weaker demand strain sales.
A new state-level analysis highlights concentrated Canada trade exposure in battleground states, sharpening the business stakes of continuing tariffs and retaliation.
A new Quebec assessment estimates combined tariff measures could endanger billions in output and up to 23,000 jobs across exposed export industries.
Washington’s stated willingness to sustain the standoff reduces near-term prospects for relief as further trade restrictions approach.
An upstate New York cidery says tariffs on Canadian aluminum have lifted packaging costs, tightening margins and delaying expansion choices.
A September 23 legal assessment says rapidly changing U.S. trade and sanctions measures are raising compliance demands and uncertainty for companies operating across borders.
Unused farm quotas, regulatory gaps and infrastructure constraints could limit how quickly Canadian firms turn stronger EU trade into broader diversification.
Walkerville Brewery reports higher tall-can costs and expects retail beer prices could rise within months as cross-border aluminum tariffs accumulate.
New export data and business evidence show diversification is advancing slowly, leaving Canadian firms exposed to deeply entrenched U.S. market ties.
New data point to a steep contraction in Canadian steel output and U.S.-bound exports, accelerating costly producer shifts toward domestic markets.
A North Alabama trade official says retaliatory tariffs may pressure automotive hiring before consumers see broader price effects.
New U.S. duties now cover 110 Canadian product lines, narrowing some firms’ routing options despite near-offsetting exemptions.
Canada signalled readiness to restart trade talks, but sovereignty, culture and trade-policy autonomy remain non-negotiable conditions.
Sharp increases in aluminum, steel and copper prices are adding to construction cost pressure, complicating project budgeting and procurement decisions.
New analysis finds executive tariffs have lifted effective rates for U.S. free-trade partners, while CUSMA still cushions most Canadian and Mexican imports.
An agricultural trade economist warned the bilateral tariff dispute may persist, leaving farm exporters, input buyers and consumers exposed to uncertainty.
A possible Canadian restriction on manganese exports could constrain a planned U.S. processing hub’s battery-material stream, though alternative feedstock sources offer continuity.
Tighter U.S. border enforcement is adding paperwork, compliance costs and potential delays for Canada-U.S. freight movements.
Ontario is expanding access to two business-support funds, giving tariff-exposed firms financing and trade-adjustment options as new U.S. restrictions begin.
Canadian counter-tariffs may intensify tariff pressures on manufacturers and other sectors by raising costs for U.S.-sourced inputs and complicating supply chains.
Washington’s new import bans and expanded 50% tariff list deepen immediate disruption for Canadian dairy and food exporters ahead of Sept. 29.
Canada’s counter-tariffs on roughly 700 U.S. imports took effect as Bombardier shares fell following a U.S. market-access threat.
Canada’s counter-tariffs on U.S. goods take effect as a reported Bombardier sales threat adds uncertainty to cross-border trade relations.
Canada’s retaliatory tariffs took effect Tuesday, imposing duties of up to 50 per cent on specified U.S. imports.
Canada’s new retaliatory duties now raise costs for a wide range of U.S. exports, while Washington signals possible further action.
Canada has imposed retaliatory tariffs on nearly $20bn of US imports, escalating pressure on integrated North American supply chains.
Ottawa will proceed with broad retaliatory tariffs Tuesday, raising input costs for import-dependent firms as bilateral negotiations remain suspended.
Federal funding will help Winnipeg manufacturers automate, internalize production and develop new markets as U.S. tariff uncertainty disrupts industrial supply chains.
Michigan manufacturers are preparing for Canadian counter-tariffs scheduled to take effect September 8, with the Michigan Manufacturing Association warning that the state’s broad industrial supply chains could make it unusually exposed. WJR cited a Detroit News estimate that roughly US$1.5 billion in Michigan exports could be affected and identified automotive, cement and food-related activity as areas of concern.[1]
RBC, TD, and CIBC reported third-quarter profits above analyst estimates. RBC CEO Dave McKay said more than 80% of Canadian exports remain duty-free and the average effective tariff rate is approximately 6%. TD said it holds about C$500 million in reserves for policy and trade risks.
Oxford Economics estimates the latest U.S. tariff escalation and Canadian counter-tariffs could leave Canada's real GDP 0.3 percentage points below its August baseline in 2027 and lift consumer prices by 0.3 percentage points. The forecast is an estimate, not an observed result.
Canada's real GDP grew 0.8% in the second quarter of 2026, equivalent to a 3.3% annualized rate and the strongest quarterly expansion since 2023. Final domestic demand rose 1.0%, June GDP increased 0.3%, and Statistics Canada's preliminary estimate indicated little change in July.
After trade talks collapsed and U.S. Section 338 tariffs took effect, Ottawa announced 15–50% counter-tariffs on approximately 874 U.S. products, effective September 8, 2026. Targets include steel, dairy, appliances, agricultural equipment, pulp and paper, and electronics.
Following the collapse of trade talks on August 21, Trump announced tariffs on Canadian automobiles and auto parts will rise from 25% to 50% on January 1, 2027. He also threatened to raise steel tariffs further. Carney called the U.S. terms 'unfair and uneconomic' and suspended negotiations.
Alongside its counter-tariff announcement, the Carney government indicated it would lift select tariffs on U.S. agricultural products, consumer goods, and machinery effective September 1, as a negotiating gesture. Carney noted approximately 85% of bilateral trade is already tariff-free. The selective easing is separate from the broader September 8 counter-tariff package, which remains on track.
USTR imposed a 10% tariff on Canadian goods under Section 301, citing failure to enforce forced labor import prohibitions. Not Canada-specific — 60 countries affected. USMCA-compliant goods are exempt.
At the mandatory six-year joint review, the U.S. declined to confirm a 16-year extension of CUSMA/USMCA. The agreement remains in force but faces annual reviews until 2036. Canada has not begun substantive text-based negotiations with the U.S.
The Supreme Court held that IEEPA does not authorize the President to impose tariffs, invalidating the legal basis for the 25–35% broad tariffs on Canadian goods that had been in force since February 2025. CBP stopped collecting IEEPA tariffs on February 24. Importers became eligible for refunds.
The Trump administration doubled Section 232 tariffs on steel and aluminum imports from 25% to 50%, effective immediately. Canada remains the largest foreign supplier of both metals to the U.S.
Consumer Impact
Related product categories and price pressure.