Sustainable iron.
Greener steel.

We aim to produce hydrogen-based low-carbon iron to offer a new value chain and accelerate the decarbonization of the steel industry.

3D of the GravitHy factory in Fos-sur-Mer, by the consortium Enia Architectes, Rougerie+Tangram.

GravitHy embodies a new generation of industrial plants

Connected to low-carbon energies, integrated in a strategic port hub, designed to meet the challenges of industrial and climate sovereignty: GravitHy is the alliance of technology, impact and European ambition to build the steel industry of tomorrow.

Our industrial project
in Fos-sur-mer

+2.5B€

Investment

2Mt/year

Of HBI (Hot Briquetted Iron) produced

500

Direct jobs created

Throughout the entire steel production process, our reduced iron allows steelmakers to reduce CO₂ emissions related to their industrial activity by more than 90%.

-90%

Of CO₂ emissions

A new industrial revolution enabling the production of a greener steel

Who we are

A team committed to tranforming the industry. From strategic development to industrial implementation, our teams embody GravitHy’s ambition, expertise and vision for the decarbonization of steel and the…

What we do

Low carbon iron for a greener steel. Our product is HBI, or Hot Briquetted Iron, a strategic material, produced from low-carbon hydrogen, designed to decarbonise the steel industry. Compatible with…

Careers

Your next professional challenge starts here: join GravitHy! Diversity, inclusion, impact, boldness… At GravitHy, we are building a cleaner industry. Located in Paris and Marseille, we offer a stimulating work…

Latest news

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GravitHy and HES FOS sign strategic partnership to develop critical infrastructure in Fos-sur-Mer

We are pleased to announce the signing of a Memorandum of Understanding (MoU) with HES FOS, a subsidiary of HES International, to establish a long-term strategic partnership for the development …

  • Press Release