Magnalium is a metal alloy that is commonly used in the manufacturing of airplane parts, fireworks, and other pyrotechnic devices. It is a lightweight and durable material that is resistant to corrosion and has high thermal conductivity. While there are no direct synonyms for magnalium, there are other metal alloys that have similar properties. For example, aluminum-magnesium alloys are also lightweight and have high strength-to-weight ratios. Other alloys that are similar to magnalium include aluminum-lithium, aluminum-silicon, and titanium-aluminum-vanadium. Each of these alloys has distinct properties that make them suitable for different applications, but all share many of the benefits that make magnalium ideal for certain uses.