The Type segmentation of the Aluminium Grey Recycling market distinguishes material streams by their physical and compositional characteristics, primarily post‑consumer scrap, pre‑consumer scrap, and mixed alloy scrap. Post‑consumer scrap originates from end‑use products such as beverage cans and vehicle panels, representing the largest revenue share because it requires extensive sorting but yields high‑purity grey aluminium after re‑melting. Pre‑consumer scrap, generated during manufacturing processes (e.g., casting shavings, off‑cuts), contributes a smaller yet stable portion of the market due to its consistent quality and lower processing costs. Mixed alloy scrap combines various aluminium grades, demanding more sophisticated separation technologies, which reduces its margin but expands the overall market volume by capturing material that would otherwise be discarded. Collectively, these type categories define the supply base, influencing plant capacity planning, cost structures, and the overall market size of Aluminium Grey Recycling.