How many types of alloying elements are there?

Alloying elements can be broadly classified into two main types: major alloying elements and minor alloying elements. Major alloying elements significantly alter the properties of the base metal and are typically present in larger quantities, such as carbon in steel. Minor alloying elements are added in smaller amounts to enhance specific properties, like chromium or nickel in stainless steel. The specific number of alloying elements can vary depending on the material and application, but common examples include elements like manganese, silicon, and titanium.