Mitsubishi Materials Puts $52 Million Into Akita Tungsten Recycling

Mitsubishi Materials said on Wednesday it will invest about 8-billion yen ($52-million), including a 2-billion yen subsidy from Japan's industry ministry, to double ammonium paratungstate capacity at subsidiary Japan New Metals' Akita plant to 2 400 tons in tungsten trioxide-equivalent a year.

Mitsubishi Materials said on Wednesday it will spend about 8-billion yen, roughly $52-million, to double tungsten recycling capacity at its subsidiary Japan New Metals, a direct industrial response to China's restrictions on exports of one of the hardest and least substitutable metals in the industrial economy.

The money goes into the company's Akita plant, where annual capacity to produce ammonium paratungstate — APT, the white crystalline intermediate that sits between tungsten-bearing scrap or ore and finished tungsten metal — will rise to 2 400 tons measured in tungsten trioxide-equivalent. Japan's Ministry of Economy, Trade and Industry is covering 2-billion yen of the bill through a subsidy, according to Mining Weekly. That leaves about 6-billion yen for Mitsubishi Materials to fund itself, on illustrative arithmetic from the two disclosed figures — a quarter of the project carried by the state.

Why a Japanese government cheque is attached to a scrap plant

Tungsten is not a metal most consumers ever see, and that is precisely why the supply shock matters. It is used in cemented carbide cutting tools, drill bits and mining inserts, in armour-piercing penetrators, in filaments and electrodes, and in high-density alloys. There is no easy substitute for its hardness and melting point. A machine-tool industry without tungsten carbide is a machine-tool industry that stops.

Japan has essentially no domestic tungsten mining to speak of. Its carbide, automotive and precision-tooling sectors have historically relied on imported concentrate and imported APT, with China dominating both. When Beijing tightened export controls on the critical mineral, the exposure stopped being theoretical for Japanese fabricators, and the policy response arrived in the form the country tends to prefer: co-funding a private-sector capacity build rather than launching a state stockpiling scramble.

Subsidising a recycling line rather than a mine is a deliberate choice. Japan cannot conjure a tungsten deposit. What it does have, in volume, is used carbide tooling, grinding sludge, worn inserts and drill scrap accumulated across decades of manufacturing. That secondary stream is a domestic ore body in all but name, and it does not require a permitting cycle, a tailings facility or a decade of construction.

What doubling Akita actually adds

Doubling implies the Akita plant has been running at roughly half the new number — about 1 200 tons of tungsten trioxide-equivalent a year on the same illustrative arithmetic — so the expansion adds an increment of similar size to Japan's domestic intermediate supply. In global terms that is not a market-moving tonnage. In national terms it is the difference between a supply chain that depends entirely on a single foreign source for its intermediate feed and one that has a captive fallback.

The strategic value sits in the intermediate step specifically. Countries that lost tungsten processing capacity did not usually lose it because they ran out of scrap; they lost it because APT conversion migrated to where the ore and the cheapest processing were. Rebuilding conversion capacity, even at modest scale, is what turns a pile of scrap into something a carbide plant can actually use. Mitsubishi Materials is one of the few operators in the developed world positioned to do it inside an existing integrated chain, since Japan New Metals already sits upstream of the group's tooling business.

A few things to watch as the project moves:

• Whether scrap collection can keep pace. Doubled conversion capacity is worthless if the feedstock stream is thin, and end-of-life carbide is dispersed across thousands of small workshops.
• Whether Japanese buyers pay a premium for domestically recycled APT or simply revert to the cheapest available unit once the immediate scarcity passes.
• Whether METI extends the same subsidy template to other critical-mineral intermediates where China holds a similar chokepoint.

The template Western buyers are watching

Japan's move is one instance of a pattern now visible across the industrialised world: the response to Chinese export controls on critical minerals has shifted from diplomatic protest to capital deployment, and the capital is going disproportionately toward processing and recycling rather than mining. Mines take years and face community and permitting risk. Recycling plants take months, sit on existing industrial land, and draw on material that is already inside the importing country's borders.

For European and American carbide consumers, the read-across is uncomfortable in one respect. Japan is moving to insulate its own fabricators, and secondary tungsten units produced in Akita are not going to be exported freely into a tight global market. Every tonne of domestic recycled APT that displaces a Japanese import is, in principle, a tonne of Chinese-origin supply freed up elsewhere — but only if China's export volumes hold. If restrictions tighten further, the countries that built conversion capacity first will simply be the ones with tooling lines still running.

Tungsten pricing has no transparent, deeply traded futures market of the kind that governs copper or aluminium, which means the effect of announcements like this one shows up slowly, in contract negotiations and APT quotations rather than in a same-day tick. Investors looking for a clean read on tungsten scarcity will not find it on a screen; they will find it in the order books of carbide and tooling companies and in the lead times quoted to machine shops.

A quiet announcement in a jittery session

The news landed on a soft day for broad risk assets. As of the last trade at 17:42 GMT on Wednesday, the S&P 500 tracker (NYSEARCA: SPY) was at $762.78, down 0.42% from the prior close of $765.96, with the Nasdaq 100 fund (NASDAQ: QQQ) at $716.10, off 0.31%, and the Dow tracker (NYSEARCA: DIA) at $524.85, down 0.60%. Critical-minerals capacity announcements rarely move indices, and this one did not.

That mismatch is the point. An 8-billion yen recycling expansion is small against the market capitalisations trading in those benchmarks, but it addresses a dependency that would show up as a production stoppage rather than a margin dent if it ever broke. Governments are increasingly willing to pay a premium for that insurance, and the 2-billion yen subsidy is the price Tokyo put on it.

The next signals worth tracking are whether other Japanese materials groups seek similar METI support for critical-mineral processing, whether Chinese tungsten export volumes stabilise or tighten further, and whether the Akita ramp meets its capacity target on schedule. Recycling capacity announcements are easy; sustained feedstock at scale is the hard part.

Key facts

• Investment: About 8-billion yen ($52-million) by Mitsubishi Materials
• Government support: 2-billion yen subsidy from Japan's Ministry of Economy, Trade and Industry
• New capacity: 2 400 tons/year of APT in tungsten trioxide-equivalent at Akita, double the prior level
• Market backdrop: S&P 500 tracker SPY at $762.78, -0.42%, as of 17:42 GMT Sept 9, 2026

Frequently asked questions

What is ammonium paratungstate and why does it matter?

Ammonium paratungstate, or APT, is a white crystalline chemical intermediate produced from tungsten ore or tungsten-bearing scrap. It is the feedstock from which tungsten metal and tungsten carbide powders are made. Because APT conversion capacity is concentrated in a small number of countries, controlling it is effectively controlling access to finished tungsten products.

How much is Mitsubishi Materials spending and how much is the government paying?

Mitsubishi Materials said on Wednesday it will invest about 8-billion yen, roughly $52-million, in the expansion at subsidiary Japan New Metals. Japan's industry ministry is contributing a 2-billion yen subsidy toward that total, which on simple arithmetic leaves about 6-billion yen funded by the company itself, or roughly three-quarters of the project.

How much new capacity will the Akita plant have?

The expansion doubles annual APT production capacity at the Akita plant to 2 400 tons measured in tungsten trioxide-equivalent. Doubling implies the prior figure was around 1 200 tons on the same basis. Tungsten trioxide-equivalent is a standard way of expressing tungsten content so that different chemical forms can be compared consistently.

Why is Japan focused on recycling rather than mining tungsten?

Japan has essentially no domestic tungsten mining, so building a mine is not an option. What the country does have is decades of accumulated used carbide tooling, worn drill bits, inserts and grinding sludge. That secondary stream functions as a domestic resource and can be processed without the permitting timelines and construction risk a new mine carries.

What triggered the investment?

China's export restrictions on tungsten, a designated critical mineral, prompted Japan to seek alternative supplies. Chinese producers dominate both tungsten mining and APT conversion, so restrictions on exports create a direct risk to Japanese carbide, automotive and precision-tooling manufacturers that rely on imported intermediate material to keep production lines running.

Will this affect global tungsten prices?

Not immediately in any visible way. Tungsten does not trade on a deep, transparent futures market like copper or aluminium, so pricing effects surface through contract negotiations and published APT quotations over months rather than in same-day trading. The Akita volumes are also modest globally, though meaningful for Japan's own domestic supply security.

Sources

• Japan's Mitsubishi Materials to expand tungsten recycling capacity at Akita — Mining Weekly

Photo: Anna Shvets · Pexels Licence — source