6K Additive signs nickel powder deal with Siemens Energy
6K Additive, a division of 6K, based in North Andover, Massachusetts, USA, has signed a global long‑term supply agreement under which Siemens Energy will supply spent nickel alloy powder from its Additive Manufacturing facilities to 6K Additive for use as feedstock.
This agreement enables the productive reuse of nickel‑based superalloy revert material that would otherwise remain in low‑value recycling streams. 6K Additive converts this feedstock into virgin, AM‑ready metal powder using its advanced UniMelt microwave plasma production process, supporting material efficiency and reduced environmental impact across the AM supply chain.
To date, 6K Additive has reportedly processed close to 20 tons of nickel superalloy powder originating from Siemens Energy, with the resulting material supplied into the broader Additive Manufacturing market. The collaboration is intended to demonstrate how industrial revert materials can be effectively up-cycled into high‑quality powders, contributing to a more resilient and sustainable metal AM ecosystem.
“At Siemens Energy, sustainability and responsible resource use are integral to how we approach advanced manufacturing,” said Steve Sarcander, Head of Finance, Additive Manufacturing of Siemens Energy. “By supplying our revert material into 6K Additive’s production process, we are supporting circular material flows while helping to reduce waste and emissions associated with metal powder production. Partnerships like this play an important role in strengthening the overall Additive Manufacturing value chain.”
Frank Roberts, CEO of 6K Additive, added, “Siemens Energy is a strong example of an industrial partner committed to advancing circularity. Their consistent and high‑quality feedstock enables us to produce premium nickel alloy powders using our UniMelt process, delivering meaningful reductions in energy use and carbon emissions while supporting the growing demand for sustainable AM materials.“
