The advancement of the construction industry towards using recycled materials has substantially reduced the consumption of natural resources. Electric Arc Furnace (EAF) slag is the by-product obtained from the production of steel and is procured after the separation of molten steel from impurities. In this paper, the impact of EAF concrete on the structural behaviour of beam-column joints and the resisting mechanism of these joints are evaluated using ANSYS software. One joint made with conventional concrete and two joints made with EAF concrete were analysed subjected to incremented loading. The results indicate that EAF concrete exhibits better structural performance than conventional concrete in terms of the ultimate load attained by the joint in the failure condition.