Advanced Alloy Services Ltd (AAS) sources high purity critical metals, tests and processes revert (a term used to refer to recycled superalloy scrap) and provides services used in the manufacture of Nickel and Cobalt based superalloys to companies around the world. These superalloys are used in the most demanding engineering applications, in aerospace, power generation, automotive, oil and gas, medical, defence and space exploration. In a world focussed on sustainability and circular economy, AAS complete the recycling circle.