The Application segment of the Magnesium Alloys for Aerospace market is defined by the functional role each alloy plays within aircraft systems. Primary categories include airframe structures, engine components, interior fittings, and landing‑gear assemblies. Airframe structures—such as wing skins, bulkheads, and fuselage frames—leverage magnesium’s high strength‑to‑weight ratio to reduce overall aircraft mass, directly influencing fuel efficiency and payload capacity. Engine components, notably gearbox housings and turbine casings, benefit from magnesium’s excellent vibration damping and thermal conductivity, which improve reliability under cyclic loads. Interior fittings, encompassing seat frames, cabin panels, and overhead bins, exploit the alloy’s aesthetic finish and ease of machining for rapid production. Landing‑gear assemblies use magnesium alloys for brackets and support brackets where weight savings translate to lower landing stresses. Collectively, these application sub‑segments drive demand, with airframe structures contributing the largest share due to their extensive material volume, underscoring the importance of precise Magnesium Alloys for Aerospace segmentation in market sizing.