IN CASE YOU MISSED IT: 5 key stories from May 8

Here are five Fastmarkets stories you might have missed on Friday May 8 that are worth another look.

The United States’ anti-dumping duties on imports of oil country tubular goods (OCTG) from Ukraine will remain in place, the Commerce Department said in the final result of its first five-year sunset review of the product.

Rio Tinto is partnering on a project to develop a zero-emission bus made of aluminium, which will be tested in the Saguenay-Lac-Saint-Jean region of Quebec, Canada, next year.

Concerns about Brazilian iron ore supply resurfaced among market participants this past week due to expectations that exports of the product would be impeded by Covid-19-related lockdowns in the South American country and the rising number of infections.

Chile saw a 4.5% year-on-year increase in copper production during March despite some difficulties faced by the industry due to the Covid-19 pandemic, Chilean copper commission Cochilco said on Thursday May 7.

Prices in Southeast Asia’s steel billet market climbed over the past week due to surging demand from Chinese importers, sources told Fastmarkets.

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Until now, aluminium has been hard to move, not hard to find. Global aluminium supply had remained technically intact, even as output was curtailed in parts of the Gulf, inventory buffers were drawn down or repositioned, and shipping through the Strait of Hormuz was severely disrupted.
Global aluminium producers face heightened uncertainty over power supplies, with oil and gas prices elevated by the closure of the Strait of Hormuz, through which around 20% of global oil and liquefied natural gas (LNG) flows, sources told Fastmarkets.
Fastmarkets is extending the consultation period for the methodology of several of its black mass payables indicators and prices, and is also proposing changes to the names of CIF South Korea and EWX Europe black mass prices.
Rio Tinto Aluminium is expanding its footprint beyond its historic hydro-powered Canadian base, targeting Europe, Asia and Latin America as part of a deliberate diversification strategy, according to the unit’s chief executive officer.
Fastmarkets has corrected its copper concentrates treatment and refinement charge indices, which were published incorrectly on March 20 2026 due to a technical error.
Fastmarkets has corrected its copper concentrates treatment and refinement charge indices, which were published incorrectly on February 27 2026 due to a backend calculation error. Fastmarkets has also corrected the indices' rationale and all related inferred indices.