To enhance the axial compressive ultimate strength (ACUS) and corrosion resistance of cold-formed steel composite columns, this paper proposes a novel type of foam concrete-filled cold-formed sorbite stainless steel composite T-shaped column (FC-CSSS-T). Axial compression tests were conducted on eight composite columns with different parameters to analyze their buckling behavior, failure modes, and load-displacement relations. An elaborated finite element model was established to simulate the performance of these specimens. The results indicate...