Headquartered in Burgettstown, Pennsylvania, 6K Additive is a US manufacturer of premium metal powders for additive manufacturing and alloy additions for the aluminium melt industry. Its proprietary UniMelt® microwave plasma process converts sustainable feedstocks, including used powders, machining turnings and manufacturing scrap, into highly spherical powders spanning nickel, titanium, copper and refractory metals such as tungsten, rhenium, niobium and tantalum. Its production and metal reclamation capabilities support aerospace, defence, medical, automotive and industrial applications, combining high-performance materials with circular manufacturing and domestic supply-chain resilience.
