Experimental and Numerical Investigation of Concrete-Filled Double-Skin Steel Tubular Column for Steel Beam Joints

Table 2

Material properties of the steel components.

Item	Thickness t (mm)	Yield strength fy (MPa)	Tensile strength fu (MPa)	Elastic modulus Es (MPa)
Square tube	8	338.12	481.70	2.27 × 10^5
Circular tube	6	323.08	491.39	2.19 × 10^5
Beam flange	11	272.41	447.40	2.23 × 10^5
Beam web	7	291.00	457.23	2.22 × 10^5
Horizontal end plate	12	272.61	445.86	2.18 × 10^5