Hydro and Nemak to develop cast aluminium products for automotive

Hydro has signed a letter of intent (LOI) with Nemak to develop low-carbon aluminium casting products for the automotive industry. The ambition is to accelerate decarbonisation efforts and support car manufacturers in reaching their sustainability goals.

The decarbonisation will be done by using more post-consumer scrap and changing the energy mix to cleaner energy sources like natural gas and electrical boilers at Hydro’s Alunorte alumina refinery in Brazil. The long-term ambition is to develop foundry alloy aluminium solutions qualified for automotive applications with a CO2 footprint below 3.0kg CO2 per kilo aluminium.

“Expectations from society and customers towards business and industry to drive change are rising rapidly. Our strengthened collaboration with Nemak means we will develop more circular products and work towards pushing carbon footprint reduction to the limit. This can make a difference for automotive companies looking to decarbonise their supply chains and meet ambitious sustainability goals,” says Hanne Simensen, Executive Vice President for Hydro Aluminium Metal.

Hydro already supplies Nemak with Hydro REDUXA primary foundry alloy (PFA), a premium product with an estimated carbon footprint below 4.0kg CO2 per kilo aluminium. This is 25 per cent of the global average and the LOI aims to further reduce the CO2 footprint by 25 per cent.

Polish recycling company Alumetal, who has been fully owned by Hydro since 2023, is also supplying foundry alloy products to Nemak.

Increased recycling, pushing CO2 reduction to the limit
Hydro and Nemak have collaborated for more than two decades to deliver high-quality foundry alloy products to car manufacturers. Now, they are switching gears by using more recycled post-consumer scrap in the foundry alloy product portfolio.

The objective of the LOI is to utilise the full potential of aluminium as a low-carbon solution in casting components, such as engine and structural components for vehicles.

The LOI includes cooperation on research and development to bring forth the next generation of automotive alloys used in casting components. Hydro and Nemak share the decarbonisation target of making net-zero products by 2050 or earlier.