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Australia’s vast iron ore mining sector is facing stark choices as its biggest customer China has likely hit a peak in its steel production and global pressures mount to decarbonize one the world’s most polluting industries.
The scale of these challenges are massive, but they are far from insurmountable, and there are an array of options that Australia’s iron ore miners can pursue.
The trick is choosing a path that maximizes profits, or at least minimizes costs, while ensuring that the industry continues to prosper.
Australia is the world’s largest exporter of iron ore, the key raw material used to make steel, and it shipped out about 930 million metric tons last year, which at current prices would be worth about $93 billion.
Australia is also the world’s largest exporter of metallurgical coal, used to make steel, ranks second in thermal coal and in liquefied natural gas, while also being the biggest exporter of lithium and the largest net exporter of gold.
But the exports of all these commodities together barely exceed the value of iron ore shipments, underscoring the outsized role of the ore, which is mainly produced in the state of Western Australia.
Just over 80% of iron ore exports head to China, which buys about 70% of the total global seaborne volumes and produces about half of the world’s total steel.
Putting these numbers together gives a picture of a dominant producer and a dominant buyer in the iron ore market.
The rise of China since the late nineties allowed Australia’s iron ore miners to massively ramp up output, reap economies of scale and become hugely profitable.
But the nature of both China’s demand and the process of making steel are likely to change in the next few years, threatening the current model whereby Australia produces vast quantities of iron ore that is turned into steel in blast furnaces and basic oxygen furnaces, processes that require the use of coking coal.
China’s steel output has flatlined for the past five years around the 1 billion ton per annum level, and most analysts presenting at this week’s Global Iron Ore and Steel Outlook Conference in Perth predicted that production will gradually decline in the next few years.
This is partly because China’s infrastructure and housing construction will ease, but also because China will increasingly use scrap steel in electric arc furnaces to produce new steel products.
While Australia’s iron ore miners may be able to offset the loss of some of China’s demand by selling to newer steel producers in Southeast Asia, it’s likely that the overall market for iron ore will soon decline.
It’s also likely to change in composition, with higher grades of iron ore preferred as these can be more easily used as a feedstock along with scrap in electric arc furnaces.
Higher grades of iron ore can also more easily be upgraded into direct reduction iron (DRI), which in turn can be turned into steel without using coal as a fuel.
Making steel using DRI produced with green hydrogen and renewable energy is one of the ways the industry is thinking of reducing carbon emissions.
Even using natural gas to make DRI can reduce emissions by up to 75%.
The problem is that DRI is tricky to export given it can be volatile, so it tends to be made at the same location as the steel furnaces.
So, if Australia’s iron ore miners are thinking of moving up the steel value chain, they would have to find ways of producing DRI and turning it into steel in Australia, using renewable energy.
Another path is upgrading the iron ore into hot briquetted iron (HBI), which is an upgraded form of DRI, whereby the DRI is converted into a compact form using heat.
HBI can be shipped, and can be used in either an electric arc furnace or a basic oxygen unit.
Should Australia’s iron ore miners move to upgrade their product, they will need significant investment, and there is no certainty that the upgraded products will deliver sufficiently higher margins.
For example, if an iron ore miner agreed with its customers in China, Japan and South Korea to supply HBI instead of iron ore fines, this would require significant investment in a clean energy system.
The iron ore miners have been successful in running complex operations at low costs, but setting up a wind/solar power plants, a green hydrogen electrolyser and possibly battery storage as well would be a totally different challenge.
There is also the possibility of exporting iron ore to a third country for processing into HBI, with Gulf countries such as Saudi Arabia a potential destination.
These countries have large quantities of natural gas which could be used to turn iron ore into HBI in a process that would still be more environmentally friendly than using coking coal.
The HBI could then be shipped from the Middle East to customers in Asia.
However, there are several other factors that would come into play, such as steel nationalism.
Many countries see steel as a key commodity and want to retain their own industries. It’s unlikely Japan would want to buy green steel from Australia, but it might be prepared to buy HBI and keep the final process of making steel inside its borders.
The problem for Australia’s iron ore sector is that it has a plethora of options in adjusting to decarbonization and peak steel in China.
But all involve risks and costs, and this is trouble for an industry that has spent the last decade de-risking itself and concentrating on improving shareholder returns.
(The opinions expressed here are those of the author, Clyde Russell, a columnist for Reuters.)
(Editing by Miral Fahmy)
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