Steel connections can be grouped into various classifications. The classification of the various types of steel connections assists with the design of steel connections by narrowing down the choices based on practical considerations. In general, steel connections can be classified into 5 different categories. In this article, we'll explore these 5 categories, and provide links to a more in depth discussion of the particular steel connection classification. We hope that by the end of this series of articles, you'll be able to answer the question of how to choose and design a structural steel connection between structural members. Connections can be classified by the following attributes: