The most common materials used for door hardware are Steel, Stainless steel, Brass and Chrome. Brass and steel are the most common materials for locks and handles while Chrome and Stainless steel are popular choices for design elements such as latches and handles.
The most common types of door handle are the lever handle and the doorknob. Door handles can be made out of a plethora of materials. Examples include brass, porcelain, cut glass, wood, and bronze.