Combustible metal fires classified as Class D fires can cause severe damage if not handled correctly. Metals such as lithium, magnesium, sodium, and titanium can burn intensely and react dangerously with common firefighting methods. Understanding these risks is critical for industrial facilities and workers who handle reactive metals. This guide discusses Class D fire characteristics, ignition sources, prevention practices, fire suppression solutions, and safety recommendations that help reduce workplace hazards and ensure effective emergency response during metal fire incidents.