An Analytical Study of Square CFT Columns in Bracing Connection Subjected to Axial Loading

Table 2

Mechanical properties of the steel tube and gusset plate.

Steel parts	Thickness, t (mm)	Yield stress, fy (MPa)	Ultimate stress, fu (MPa)	Elasticity modulus, Es (10^5 MPa)
Plate 18 mm	17.92	400	550	2.07
Plate 12 mm	11.59	440	580	1.88
Tube	9.49	440	580	1.89